CLASSICS THAT MADE THE HIT PARADE
DETAILS OF THE PROGRAM
"Classics that Made the Hit Parade" includes
these popular symphonic themes:
Borodin .... Polovtsian Dances from Prince Igor
(Stranger in Paradise)
Tchaikovsky . . . Symphony No. 5 in E
(Moon Love)
Waldteufel . . . Espana Waltz
(Hot Diggity)
Chopin .... Polonaise No. 6, in Ab Major
(Till the End of Time)
Tchaikovsky . . . Symphony No. 6 in B
(The Story of a Starry Night)
Rachmaninoff . . Piano Concerto No. 2 in C Minor
(Full Moon and Empty Arms)
Chopin .... Fantasie Impromptu in C— Minor
(I'm Always Chasing Rainbows)
Tchaikovsky . . . Romeo and Juliet Overture
(Our Love)
DETAILS OF THE OFFER
This exciting recording is available in a spe-
cial bonus package at all Audiotape dealers.
The package contains one 7-inch reel of
Audiotape (on 1 Mi-mil acetate base) and the
valuable "Classics that Made the Hit Parade"
program (professionally recorded on Audio-
tape). For both items, you pay only the price
of two reels of Audiotape, plus $1. And you
have your choice of the half-hour two-track
stereo program or the 55-minute monaural
or four-track stereo versions.
See your Audiotape dealer now.
— a new bonus reel from Audiotape
Some of our greatest popular songs — hits like "Full
Moon and Empty Arms," "Till the End of Time,"
"Stranger in Paradise"— took their melodies from the
classics. Eight of these lovely themes— in their original
classical setting — are the basis for "Classics that Made
the Hit Parade," a program with strength, variety, and,
of course, rich melodic beauty.
This unusual program, professionally recorded in
sparkling full fidelity on Audiotape, is available Right
Now from Audiotape dealers everywhere. (And only
from Audiotape dealers.) Ask to hear a portion of the
program, if you like. Then, take your choice of a half-
hour of two-track stereo, or 55 minutes of four-track
stereo or dual-track monaural sound — all at 7% ips.
Don't pass up this unique opportunity.
"Classics that Made the
Hit Parade" makes an ideal
addition to Audio's first two
bonus reels, "Blood-and-
Thunder Classics" and "High
Spirits," still available at
Audiotape dealers.
cmdiotcipc
'it speaks for itself
AUDIO DEVICES, INC., 444 Madison Ave., N. Y. 22, N. Y.
In Hollywood: 840 N. Fairfax Ave. • In Chicago: 5428 N. Milwaukee Ave.
September, 1960
27
Model and Price
AUDIO DEVICES technician at the company's plant in Stamford, Connecticut checks sample
of Audiotape under microscope for possible width variation. This is just one phase of quality
checking during production at Audio Devices. All Audiotapes — including Audio's extra preci-
sion tapes for instrumentation and computer use — are also checked for uniformity, sensitivity,
frequency response and distortion. EP Audiotapes are 100% certified against signal drop-out.
"Ekotape"
Stereo Decks
Model 340
$118.00
Model 342
$138.00
Model 360
$124.00
Model 362
$144.00
"Ekotape"
Model 310
A-V Control
Center
$399.50
Frequency Response
30-15,000
cycles at
7y 2 "/sec.
as above
Data
Series of tape decks for stereo record/playback and
monophonic record/playback. Model 340 is for record
and playback of monophonic or two-channel stereo.
Central control selects tape direction. Speeds: 7 l / 2
and 3% ips. Second control for tape speed and
on/off. Pause control button. Wow and flutter: 0.2%
at 7'/ 2 ips., 0.3% at 3% ips. Dimensions: 7 l A" h.,
12%" w., 9" d.
Model 342 is same as Model 340, but includes pro-
gram selection finder and automatic stop.
Model 360 is same as Model 340, but with four-
channel record/playback head.
Model 362 is same as Model 342, but with four-
channel record/playback head. Stereo playback pre-
amp for decks is $70. Stereo record/playback pre-
amp is $199.
Audio-visual control center for any automatic slide or
strip-film projector. Eliminates need for audible sig-
nal. Has two recording heads that record over full
width of tape. One records from mike or radio. The
other records 1000-cycle signal that operates an auto-
matic projector. Speeds: 7V 2 and 3 3 / 4 ips. Other specs
same as Model 320 on page 26 except for following:
output. 12 watts: no preamp output jack; microphone
is accessory.
WOLLENSAK OPTICAL COMPANY, 320 E. 21st St., Chicago 16,
Model
T-1500
Monaural
Portable
$199.50
Stereo Model
T-1515
$229.50
Model
T-1600
Automatic
Monaural
Portable
$249.50
Stereo Model
T-1616
$279.50
40-15,000
cycles. (±3 db)
at 7 % "/sec.
40-8,000
cycles (±3 db)
at 3%"/sec.
as above
Portable, two-speed, dual-track recorder with inter-
locked keyboard control that can be operated in any
sequence. Flutter and wow: less than 0.3%. Signal-
to-noise: 48 db. Overall distortion less than 0.8%.
Fast forward and rewind, 150"/sec. Dual level record
indicator, revolution index counter. Automatic drive
roller release when power switch is off. Pre-amp
output for hi-fi system. Extension speaker jack. Built-
in automatic head demagnetization. Remote foot con-
trol available. Weight: 18 lbs. Stereo model is same
as above with built-in lower channel pre-amp added.
Model T-1600 is automatic version of T-1500 recorder
above. Has rack space bar for instant replay of any
part of tape: push-talk control in mike for remote op-
eration; added function indicator lamps.
Model T-1616 is same as Model T-1600 plus stereo
playback head and built-in second preamp.
All specifications and performance data on tape recorders listed in this directory are based on information supplied by the manu-
facturer. Performance data are generally based on average values and individual machines sometimes vary widely from published
figures, depending on the amount of quality control exercised in manufacture. Space limitations do not permit listing of all fea-
tures of each recorder. Consult manufacturer or local dealer for further information.
Prices subject to change without notice. Consult manufacturer or local dealer for exact price, as some prices are list and others not.
EXTRA PRECISION (EP)
Audiotape is protected
by polyethylene bags.
EP Audiotapes meet the
toughest specifications
for computer and in-
strumentation use and
represent a large and
growing part of Audio's
sales.
** mrm&*
26
AUDIO RECORD
September, 1960
Model and Price
Frequency Response
Data
WEBCOR, INC., 5610 West Bloomingdole Ave., Chicago 39,
Royalite
Model 2008
Stereo Portable
$244.50
Royalite
Model 2001
Monophonic
Portable
$194.50
Regent
Model 2005
Monophonic
Portable
$169 95
Model 2006 Monophonic Portable, $164.50
Microcorder
Model 2104
Transistor
Portable
$175.00
Royalite II
Model 2108
Stereo Portable
$249.95
Model 2101
Monaural Portable
$199.95
Viscount
Model 2103
Monaural Portable
$139.95
Regent Coronet
Model 2107
Stereo Recorder
$349.95
50-12,000
cycles at
7'/ 2 "/sec.
70-7,000
cycles at
3%"/sec.
as above
250-5,000
cycles at
33/ 4 "/sec.
50-15,000
cycles at
7'/ 2 "/sec.
50-10,000
cycles at
3%"/sec.
50-12,000
cycles at
7>/ 2 "/sec.
70-7,000
cycles at
33/ 4 "/sec.
50-15,000
cycles at
7'/ 2 "/sec.
70-7,000
cycles at
33/ 4 "/sec.
Triple-speed portable recorder for dual- or four-track
stereo playback and mono record/playback. Speeds:
7'/ 2 , 3% and 1% ips. Knob controls. Editing key.
Record safety lock. Cathode ray recording level indi-
cator. Monitor control. Digit tape counter. Signal-to-
noise ratio: 45 db. Wow and flutter: 0.4%. Two
speakers. Input: one. Outputs: external amplifier,
speaker: stereo speaker. Dimensions: 8" h., 14 2 %" w. r
14 Vz" d. Weight: 23 lbs.
Model 2001 is monaural version of above,
specifications, but weighs 20 lbs.
Same
New triple speed monophonic recorder with the same
specifications as Model 2001 above, except for single
speaker. Dimensions: 9" h., 15" w., 16'/ 2 " d. Weight:
28 lbs.
Model 2006 is the same as 2005 except for remote
control jack for starting and stopping recorder in
record or playback with mike.
New dual-speed dual-track transistorized recorder
for battery or electric power. Speeds: 3% and 1%
ips. Push-button controls. Safety interlock button.
VU meter. Tape counter scale. Capstan drive. Wow
and flutter: 0.6% at 3% ips., 0.8% at 1% ips.
Signal-to-noise ratio: 35 db. Output: external ampli-
fier. Inputs: mike, remote. Dimensions: 8" w. x 8" d.
x 2>/»" h. Weight: 4 lbs.
New triple-speed dual-track monaural portable that
also plays back 2- and 4-track stereo tapes. Speeds:
7'/ 2 ips., 3% and 1% ips. Push-button controls.
Editing key. Cathode ray record level indicator. Moni-
tor control, digital tape counter. Wow and flutter: less
than 0.4%. Signal-to-noise ratio: 50 db. Inputs: one,
mike. Outputs: external speaker and external am-
plifier. Dimensions: 11 V4" w. x 7 l /z h. x 13V4" d.
Weight: 19 lbs.
Model 2101 is a monaural version of above. All other
specifications are the same.
New triple-speed dual-track monaural recorder.
Speeds: 7V2. 3%, and 1% ips. Function switch con-
trols. Record safety lock. Monitor control. Record
level scale. Wow and flutter: less than 0.4%. Signal-
to-noise ratio: 45 db. Input: mike. Output: external
speaker. Dimensions: 14%" w. x 9</t" h. x 16'/ 2 " d.
Weight: 26 lbs.
New triple-speed recorder that records and plays back
both four- and two-track stereo and monaural tapes.
Speeds: 7V2, 3%, and 1% ips. Sound-on-sound re-
cording facility. Digital tape counter. Editing key.
Push-button controls. VU meter. Wow and flutter:
less than 0.4%. Signal-to-noise ratio: 45 db. Inputs/
outputs: one for each channel for input, external am-
plifiers and speakers. Dimensions: 9" h. x 14%" w
x 17" d. Weight: 32 lbs.
WEBSTER ELECTRIC - ELECTRONICS DIVISION, 1900 Clork Street, Racine, Wisconsin
"Ekotape"
Model 300W
Stereo Table
Recorder System
$699.00
"Ekotape"
Monophonic
Portable
Model 320
$279.50
"Ekotape"
Stereophonic
Portable
Model 350
$455.50
30-15,000
cycles at
7'/ 2 "/sec.
as above
as above
New dual-speed table recorder system for mono-
phonic. two- and four-channel stereo record/playback.
Speeds: 7y 2 and 3 3 4 ips. Central control selects tape
direction. Second control for tape speed and on/off.
Odometer type program selection finder. Automatic
stop. Wow and flutter: 0.2% at 7'/ 2 ips.. 0.3% at 3%
ips. Signal-to-noise ratio: 45 db. Inputs: six— mike,
radio/phono, record/playback head— for each chan-
nel. Outputs: four— amplifier, erase head— for each
channel. Deck and preamp only: $439. Speakers,
crossover network and power amplifier: $149.
Portable, two-speed, dual-track recorder with mono-
matic single-knob control. Speeds: 7>/ 2 and 3% ips.
Meter type recording level indicator. Power output,
8 watts max. Distortion, 1.6%. Total harmonic at 6
watts, 400 cycles. Signal-to-noise, 43 db. Wow and
flutter, 0.2% max. at 7 1 / 2 '7sec. Odometer type selec-
tion finder. Fast forward and rewind ratio, 15 to 1.
Two built-in speakers: 6" x 9" oval PM and 3" round.
External speaker jack and output for preamp. Inputs:
mike and radio-phono jack. Dimensions: 11" x 13VJ"
x 15". Weight: 35 lbs.
Similar to Model 320 above, except designed for mon-
aural record/playback and stereo playback with
stacked heads. Includes two amplifiers for stereo
playback— one for half-track monaural record/play-
back. Each amplifier has 12 watts maximum output.
Weight: 44 lbs. Matching stereo speaker cabinet,
including 6" x 9" oval and 3" round speaker, avail-
able at $59.50.
QUICK FACTS ON MAGNETIC TAPE RECORDERS
(Additional information can be obtained by writing to the manufacturer)
Model and Price
Frequency Response
AMERICAN C0NCERT0NE DIV., AMERICAN ELECTRONICS, INC., 9449 West Jefferson Blvd., Culver City, Calif.
Transicorder
Monaural
Portable
Recorder
$199.50
Model 505
Stereo Recorder
$495.00
MARK X BROADCAST
RECORDERS
X-l Half-track monaural
record/playback $965.00
X-3 Stereo record/playback 1050.00
X-6 Full-track monaural
record/playback 965.00
X-8 Monaural or stereo playback 850.00
X-9 Full-track monaural playback 820.00
•2!lSf<
SERIES 30 RECORDERS
Model 31, full-track recorder $795.00
Model 32, half-track recorder $795.00
Model 32ST, monaural record/play-
back, stereo playback $899.00
Model 33, stereo recorder $995.00
200-5,000
cycles at
3% "/sec.
50-15,000
cycles (±2 db)
at7»/ 2 ips
50-10,000
cycles (±2 db)
at 3% ips
30-17,000
cycles (±2 db)
at 15"/sec.
40-12,000
cycles (±2 db)
at 7 '/ 2 "/sec.
50-7,500
cycles (±2 db)
at 3 % "/sec.
MARK VII
Stereo
30-17,000
Recorder
cycles (±2 db)
$940.00
at 7 >/ 2 "/sec.
Mark VII- F
40-12,000
Stereo
cycles (±2 db)
Recorder
at 3% "/sec.
$995.00
40-15,000
cycles (±2 db)
at 15"/sec.
50-12,000
cycles (±2 db)
at7 1 / 2 "/sec.
50-5,000
cycles (±2 db)
at 3% "/sec.
New battery powered portable transistorized recorder
using 3" reels. Two speeds: 3% ips and l 7 /, ips. Two
heads: record play-back, and erase. Audio-level and
battery-condition meters. Power rewind. Adaptors for
12 volt DC and 110 volt AC power supplies. One knob
control. Price includes batteries, microphone and
earphones. Weight: under 4 lbs.
New two-channel recorder that can be converted to
single-channel half-track monaural. Plays Y 2 track,
full-track, 2-track and 4-track tapes. Tape speeds:
3% and 7'/ 2 ips. Rewind time: 45 seconds for 1200
feet. Push button controls; calibrated meter level
indicators; automatic cutoff. Wow and flutter: less
than 0.2% rms at 7V 2 ips. Signal-to-noise ratio: 50
db. Three motors, including hysteresis drive,
mechanical flutter filter and dynamic balanced fly-
wheel, instant source/tape monitoring, instant start/
stop, separate record/playback. Amplifiers, auto-
matic tape lifters, and separate microphone/line in-
puts, each channel. Weight: 36 lbs.
A new series of dual-speed recorders available with
speeds of 15 and 7'/ 2 ips or 7'/ 2 and 3% ips. Three
motor direct capstan drive: one hysteresis synchro-
nous, two induction motors. Push-button controls
Timing accuracy: 99.8%. Harmonic distortion: 2.5%
at maximum record level. Signal to noise: 55 db at
15 ips, 50 db at 7'/ 2 ips, 45 db at 3% ips. Flutter and
wow: 0.15% at 15 ips. 0.25% at 7'/ 2 ips, 0.35% at
3% ips. Bias frequency: 100 kc nominal. Separate
heads for erase, record and playback. All triode play-
back amplifier. Two high impedance inputs. Three
outputs: cathode follower, 600 ohm, high impedance
monitor phone jack. Dimensions: 14" h., ISV2" w.,
9" d. Weight: 45 lbs. including carrying case.
Dual-speed recorder with 15 ips and T/2 ips or 7Vi
ips and 3 3 /4 ips available. Has direct drive capstan
motor, four pole induction type reeling motors. Push-
button controls. Self energizing brakes. Master out-
put volume control, VU calibrated meter. Dual inputs
for mike and auxiliary sources with four separate
level controls. Flutter and wow: 0.35% at 3% ips,
0.25% at 7'/ 2 ips. Dimensions: 14" h., I6V2" w
6" d. Weight: 35 lbs. Mark VII has three heads for
recording and play-back of two-track stereo and
mono. Mark Vll-F has four heads for recording and
playback of two-track stereo and monaural, playback
of four-track stereo.
All Series 30 models have following features: Two-
speed direct drive hysteresis synchronous motor and
two torque motors; 3 heads with provision for 2
more; 4'/ 2 " VU-type meter; 2-channel input mixer;
A-B test fader for cueing/editing switch. Instant
speed selection of 15"/sec. and 7 1 / 2 "/sec. or 3 3 / t "/
sec. and 7V4"/sec. Signal-to-noise, 55 db by pro-
posed NAB Standard (full track). Total harmonic
distortion, 2% at zero VU. Total flutter and wow, less
than 0.1% rms at 15"/sec, 0.2% at 7>/ 2 "/sec. Fast
forward and rewind, less than 60 sec. for 2500 ft.
High impedance microphone input and unbalanced
bridging input. Output impedance, cathode follower,
600 ohms with plug-in transformer.
AMERICAN GEL0S0 ELECTRONICS, INC., 251 Park Ave. $., New York 10, N. Y.
Model G-258A
Recorder
$249.95
50-12,000
cycles at
3% "/sec.
New three-speed recorder: 3%, 1'/,, Jf 6 ips. Push
button controls; recording level indicator. Tape
counter. Input jack for mike, telephone adapter,
other sound sources. Output monitor jack. Pilot lite.
Power output: 2>/ 2 watts. Signal-to-noise ratio: better
than 50 db. Wow and flutter: less than 0.2%. Power
required at 110 volts, 60 cycles: 38 watts. Automatic
tape threader. Special feature prevents tape break-
age. Weight: 12>/ 2 lbs.
AUDIO RECORD
Model and Price
Frequency Response
AMERICAN GELOSO ELECTRONICS, INC., 251 Park Ave. S., New York 10, N. Y.
Model G256/60
Geloso
"StenOtape"
Portable
Recorder
$179.95
80-6,500
cycles at
l'/i ips
Imported dual-track recorder and dictating/trans-
criber. Speed: l 7 / 8 ips. Four push-button controls for
record, fast rewind, playback and stop. Automatic
erase and correction. "Glo-light" recording level indi-
cator Tape counter hand-resettable. Plays up to 128
minutes. Transparent lucite cover. Signal-to-noise
ratio better than 40 db. Wow and flutter: 0.3%. Out-
put: l'/ 2 watts. Rewind ratio: 15-1. Fast forward ratio:
10-1. Input impedance: '/ 2 megohm. Output impe-
dance: 3.2 ohms. Preamp output. Extension speaker
jack. Accessories available. Dimensions: 4" x 10"
x 1 5 >/ 2 ". Weight: 6V 2 lbs.
AMPEX AUDIO COMPANY, a division of AMPEX CORP., 1020 Kifer Rood, Sunnyvole, Calif.
Model 970
Stereo
Portable
$595.00
Model 2010
Amplifier-Speaker
$199.50
Uncased
Model 902 Model 952
$349.50 $449.50
Model 960
Stereo Portable
$495.00
Model 910
Stereo Portable
$399.50
Model 2510
Stereo system
$749.50
Model 2560
Stereo system
$849.50
Model 601
Portable
Tape Recorder
$595.00
Model 620
Amplifier-Speaker $189.50
Model 601-2
2-Track Stereo
Portable $995.00
Crescendo" Consoles
7000 Series
$1995.00
Other Consoles:
8000 Series
$2650.00
30-20,000
cycles at
7V4"/sec.
30-15,000
cycles at
3%'7sec.
At 7% "/sec.
30-20,000 cycles
(±2 db)
50-15,000 cycles
At 3%"/sec.
30-15,000 cycles
(±2 db)
50-10,000 cycles
30-15,000
cycles (±4 db)
at 7V4"/sec.
(±2 db 40 to
10,000 cycles)
same as above
At 7i/ 2 "/sec.
30-20,000
cycles (±2 db)
50-15,000 cycles
At 3% "/sec.
30-15,000
cycles (±2 db)
50-10,000 cycles
New stereo/monophonic portable dual speed re-
corder. Speeds: 7'/ 2 and 3% ips. Plays 4-track, 2-
track, single-track tapes. Dial controls. Two 7" oval
speakers. Flutter and wow: less than 0.2% rms at
7'/ 2 ips. Inputs: radio/TV/phono/auxiliary; mike. Out-
puts: cathode follower that are primarily for moni-
toring. Recorder is designed for playback through
2010 amplifier/speakers. Dimensions: 25V 2 " x 15"
x 9". Weight: 46 lbs.
Model 960 is a two-speed recorder for either stereo
recording or half-track recording. Speeds: 7'/ 2 and 3%
ips. Plays back halftrack, full track, 2-track stereo
and 4-track stereo. Automatic stop mechanism.
Signal-to-noise, better than 55 db below peak record
level at 7 1 / 2 "/sec. and 50 db at 3%"/sec. Flutter and
wow, under 0.2% at 7>/ 2 "/sec, 0.25% at 3%"/sec.
Inputs: high impedance line 0.4v rms for program
level; high impedance microphone. Playback output
greater than 0.75 rms into high impedance load.
Weight: 38 lbs.
Model 910 is same as above except for two-speed,
half-track monaural record. Plays back 2-track stereo,
4-track stereo, half track and full track. Model 2510
stereo system includes Model 910 and two speaker-
amplifiers (2010). Model 2560 stereo system includes
Model 960 and two speaker-amplifiers (2010).
Portable, professional-type single-track or dual-track
recorder with 7'/ 2 " tape speed. Takes up to 7" reels.
Signal-to-noise, over 55 db. Flutter and wow, below
0.17%. Starting and stopping time, less than 1/5
second. Fast forward and rewind, 90 seconds for
1200 ft. Timing accuracy ± 0.2% for 30 minute re-
cording. Separate record and playback amplifiers.
Separate erase, record and playback heads. VU
meter, independent level controls for microphone
and line. Weight, 28 lbs.
Model 601 tape transport with two modified 601 elec-
tronic chassis. Full-track erase, two-track record and
two-track playback. Signal-to-noise, over 50 db either
channel. Inter-track crosstalk rejection, over 50 db.
Each Crescendo console includes a Model 960 stereo-
phonic tape recorder-reproducer, described above,
plus: a Garrard 4-speed record changer with stereo'
monaural diamond stylus pick-up, push-button Audio
Control Center. Ampex 2-channel AM and FM stereo-
phonic tuner, two matched Ampex amplifier speaker
units consisting of twin 25-watt amplifiers and six
speakers — a 12" bass, 8" mid-range and one omni-
directional high-frequency projector for each channel.
AMPEX PROFESSIONAL PRODUCTS CO., PROFESSIONAL AUDIO PRODUCTS DIV., 934 Chorfer St., Redwood City, Colif.
Model 300-C
Console
Tape Recorder
$2250.00
Model 300-3SSC
Three Channel
"Sel-Sync"
Console Recorder
$5125.00
Model 30O-3C
Three Channel
Console Recorder
$4698.00
30-15,000
cycles (±2 db)
at 15"/sec.
30-15,000
cycles (rt4 db)
at 7'/ 2 "/sec.
(±2 db 40 to
10,000 cycles)
same as above
Professional-type, single-track, dual-speed recorder
operating at 15" and 7V4" per second. Signal-to-
noise, over 60 db by NAB standards. Instant start
and stop. Flutter and wow, less than 0.1% at 15"/sec.
Rewind time, 1 min. for 2400-ft. reel. Timing accu-
racy, ± 0.2%. Push button controls for start, stop
and record — may be remotely operated. Separate
plug-in heads for erase, record and playback. Other
features as on Model 351-U on page 5. Also avail-
able for portable or rack mounting. Dimensions:
36" x 25" x 26". Weight: 195 lbs.
Professional three-channel tape recorder with "Sel-
Sync" feature for recording sound-on-sound. With
this optional feature, any given track can be erased
and re-recorded without effect to the other two chan-
nels. 300 Series multi-channel recorders are equipped
with selector for NAB and AME curves. Latter curve
gives an effective 7 db increase in signal-to-noise
ratio in the 2 to 6 thousand cycle range. Separate
erase, record and playback heads. Signal-to-noise
ratio (NAB curve): 55 db. Cross talk rejection 50 db.
Otherwise same as Model 300-C above. 300 series
recorders are available from one to eight channels.
Rack mount units available. Dimensions: 64" x 25"
x 26". Weight: 288 lbs.
September, 1960
25
Model and Price
Frequency Response
Data
VIKING OF MINNEAPOLIS, 9600 Aldrich Ave., So., Minneapolis 20, Minnesota
Lm~
k »T*i«
* ?f
v< — •
Q
□
95 SERIES
Tape Deck
(Prices available
on request)
Viking
Endless Play
Cartridge
Recorder
35P $6000
35R $67.00
(other models available by request)
Viking
85 Series
Tape
Decks
Model 85R. Two-Track Monaural
Record/Playback
Model 85RQ. Two-Track Monaural
Erase/Record/Playback and
Four-Track Stereo Playback
Model 85Q. Two- and Four-Track
Monaural-Stereo Playback
Model 85ES. Two-Track Monaural-
Stereo Erase/Record/Playback
Model 85ESQ. Two- and Four-Track
Monaural-Stereo Erase/Record/
Playback
Model 85RMQ. Similar to Model
85ESQ. See data
$130.00
$158.50
$132.00
$152.00
$179.50
$179.50
Model RP62. Record/Playback Amplifier $77.50
Model RP62-3. Record/Playback
Amplifier $79.50
Model RA-72. Record Amplifier $57.50
Stereo Recorders
"Stereo-
Compact" ESQ
$297.50
"Stereo-
Compact" RMQ
$297.50
Stereo Recorders
"Stereo-Pro" ES
$344.50
"Stereo-Pro" ESQ
$374.50
"Stereo-Pro" RMQ
$374.50
Dependent upon
type of
heads supplied
40-14,000
cycles at
7»/ 2 "/sec.
40-7,000
cycles at
3%"/sec.
30-15,000
cycles (±2 db)
at 7V4"/sec.
30-15,000
cycles (±2 db)
at 7>/2"/sec.
as above
Broadcast type recorder designed for professional
applications. Available with any of three drive pul-
leys: 15-7'/ 2 ; 7>/ 2 -3%; or 3%-l% ips. Three
motors: hysteresis synchronous drive; 6-pole induc-
tion torque motors. Space for six interchangeable
heads allows head configurations for any tape appli-
cation. Rewind and fast forward time, 70 sec. for
2400 feet tape. Instantaneous dynamic braking, less
than 2 sec, from fast forward or fast rewind. Signal-
to-noise ratio: 55 db or better. Wow and flutter: less
than 0.1% at 15 ips, less than 0.15% at 7'/ 2 ips rms.
Deck is available with matching VU Record/Playback
Amplifiers, for rack mounting.
Portable handler for use with Fidelipac continuous
loop tape cartridges holding up to 1600 feet of tape.
Single iever control. Speed change control for 3% or
7Vs ips tape speeds. 115v, 60 cycle A-C motor (50
cycle motor available). Dimensions: lOV^" x 9%" x
5Va" mounted in case. Weight 5 lbs.
Model 35P is monaural half-track playback only,
mounted in case Model 35R is monaural half-track
record/playback/erase, mounted in case.
Series of tape decks featuring flutter-filter belt drive.
Two motors providing fast forward and rewind. Front
panel speed change, 3% and 7V 2 ips. Dual rotary
controls. Inner ring selects "fast forward" and "fast
rewind". Outer knob selects normal forward, stop
and cue (edit). Footage counter. Space for five heads.
Pressure pads provided at three head positions. Tape-
lifters remove tape from heads except in play and
"cue" positions. Short-gap record/playback heads.
Models RQ, ESQ, RMQ have a third head for play-
back. Signal-to-noise ratio: 50 db. Wow and flutter:
0.2% rms. Tapes recorded on Viking may be played
back on any machine having standard NAB equal-
ization. llOv, 60 cycles. (50 cycle models) (All 85
Series Viking decks are flexible in that head may be
added to provide special functions such as sound-
on-sound recording, stereo monitoring, language
teaching, etc.) Dimensions: 9'/ 2 " x 13" x 5". Weight:
12 lbs. Model 85 RMQ is same as 85 ESP except has
wide-gap recording heads; short-gap monitor/play-
back heads; quarter track erase-record-monitor.
RP-62 for use with 2-head decks, or if third head
is connected directly to music system preamp. RP-
62-3 is same as above except it is for use with three-
head decks. RA-72 for use with three-head decks.
New group of portable stereo recorders incorporating
the equivalent of either the 85ESQ or 85RMQ tape
decks described above with two RA72 recording am-
plifiers described above. Function selector switch
for four- and two-track stereo, monaural, sound-on-
sound. Behind-panel connectors for high-level inputs
and music system and monitor outputs. Maximum
power requirement: 125 watts. Dimensions: 14" h.,
14" w., 9" d. Weight: 23 lbs.
New group of portable stereo recorders incorporating
the equivalent of the 85 ES, 85 ESQ. and 85 RMQ
tape decks described above, with the RP62 or RP62-3
record/playback amplifiers described above. Storage
compartment below amplifiers. Front-panel-mounted
high level inputs (2), mike jacks (2), output jacks for
monitor and music system (2). Dimensions: 20%" h.,
13%" w., lO'/i" d. Weight: 37 lbs.
V-M CORPORATION, Benton Harbor, Michigan
"Tape-O-Matic"
Model 722
Stereo/Record
Four-track Portable
$259.95
Model 168
Matching Auxiliary-Amplifier Speaker
$75.00
"Tape-O-Matic" Model 720
Stereo/Play Four-track Portable, $225.00
Model 166
Matching Auxiliary-Amplifier Speaker, $75.00
"Tape-O-Matic" Model 710
Two-track Monaural Portable, $189.95
40-15,000
cycles (±5 db)
at 7>/i"/see.
as above
as above
New dual-speed stereo portable that records four-
track stereo, plays back two- or four-track stereo.
Sound-on-sound recording. Speeds: 7'/ 2 and 3% ips.
Push-button controls. Precision tape index timer.
6" x 9" and 3.5" speakers. Double cathoptic tuning
eye for recording level. Monitor switch. Pause button.
Safety switch prevents accidental erase. Pilot light.
Record bias and power erase: 75 kc. Power output:
14 watts (peak) 8-16 ohms, damping factor 7-15.
Stereo inputs: microphones, radio, TV. phono. Out-
puts: dual external amplifier, external speaker.
Dimensions: 9%" h. x 16%" w. x 14%" d. Weight
35 lbs. approx. Add $15.05 to recorder price and
$10.00 to amplifier price for table model cabinet.
Four-track monaural record/playback version of
Model 722 above.
Dual-track monaural
Model 722 above.
record/playback version of
24
AUDIO RECORD
September, 1960
Model and Price
Frequency Response
Data
TELECTROSONIC CORPORATION, 35-18 37th St., Long Island City 1, N. Y.
Model MR511
Monaural Battery
Portable
$129.95
Telecto Model MR111
Monaural Portable
$89.95
100-6,500
cycles (±3 db)
at 3%"/sec.
100-7,500
cycles at
7% "/sec.
New battery-operated, two-speed monaural portable
recorder. Speeds: 3% and 1% ips. Three controls:
function, volume, speed. Runs on seven Penlite bat-
teries. Speaker: 2V2" x 6%". Safety record interlock.
Reels: 3". Bias frequency: 37 kc. Output level: V3
watt. Input: mike. Output: headphone/speaker. Di-
mensions: 3" h., 6" w., 10%" d. Weight: 7 lbs.
Portable, dual-track monaural recorder with 7V 2 and
3% ips tape speeds. Push-button speed control and
single knob controls for record/playback; wind/
rewind. Record interlock. Neon record-level indicator.
Elapsed time indicator. Built-in 6" speaker. Inputs:
one for mike, one for radio/phono/TV (with patch
cord). Dimensions: 7%" h., 11" w., ll 5 / 8 " d. Weight:
15 lbs.
TELEFUNKEN, distributed by AMERICAN ELITE, INC., 48-50 34th St., LLC. 1, N. Y.
Telefunken
Magnetophon
Monophonic
Portable
$299.00
30-20,000
cycles (±3 db)
at 7y 2 "/sec.
30-15 000
cycles (±3 db)
at 3%"/sec.
New dual speed German monophonic portable re-
corder. Speeds: 7'/ 2 and 3% ips. Push-button con-
trols. Three-digit counter. Automatic tape tension.
Built-in splicing device. Signal-to-noise ratio: 50 db.
Inputs: three, changeable by an input-selector-switch
for radio, mike and phono. Outputs: for monitoring
earphone and electric remote control. Dimensions:
7>/ 2 " h„ 151/2 w., ll'/ 2 " d. Weight: 26V 2 lbs.
TOEPFER, A. C, INC., 1 Broadway, New York 4, N. Y.
Model HM8S
Stereo Portable
Recorder
$438.95
Model HM4S
Stereo Portable
Recorder
$355.95
50-16,000
cycles at
7>/ 2 "/sec.
50-10,000
cycles at
3*4 "/sec.
New dual speed recorder with four-track stereo and
monaural record-playback. Speeds: 7V 2 ips. and 3%
ips. Built-in second channel amplifier. Push-button
controls. Fast/forward/fast rewind. Digital counter.
End-of-tape stop. Non-erase for re-record. Inputs: two
each for mike, phono, radio. Outputs: amps and
external speakers. Dimensions: 16'/ 2 " x 15" x 9'/ 2 ".
Weight: 34 lbs.
New portable for two-track stereo and monaural play-
back and monaural record. Otherwise same as model
HM8S above with the exclusion of non-erase feature.
Weight: 27 lbs.
TRUVOX LTD., Truvox (U.S.A.), distributed by: FEN-TONE CORP., 106 5th Ave., New York 11, N. Y.
Mark IV
Stereo Tape Deck
TR-2106
$199.50
TR-2116
$215.00
Type "K"
Record/Playback
Amplifier $109.50
Model T-A-B
Stereo Twinset
(2 units)
Record/Replay
$495.00
40-15,000
cycles (±3 db)
at 7»/ 2 "/sec.
Dual track, dual speed. TR-2106 with timing scale.
TR-2116 with precision index counter, both fitted
with stacked stereo head. With suitable electronics
for monaural record/playback plus stereo playback
or monaural record/playback plus stereo record/play-
back (half-track erase head requires raw tape). 3
shaded pole B.T.H. motors. Wow and flutter: less than
0.2% at 7'/2 ips. Push button operation, electrical
braking, high speed rewind (45 sec. for 7" reel). Auto-
matic tape lifter. Dimensions: 14%" x 12-13/16" x
5". Weight: 14 V 2 lbs.
For monophonic and stereo record/playback. Unit "A"
contains deck mechanism TR-2116 (described above)
plus identical amplification system and pre-phased
speaker in Unit "B." Amplification: 8 watt total out-
put. Two input jacks for mono and stereo micro-
phones, AM-FM, pickups or telephone adaptors. Out-
puts: external amplifiers and speaker systems.
Speakers: 10" x 6" elliptical wide range with flux
density of 10,000 lines. Each unit has tone controls
and magic-eye levei indicator, monitoring facilities.
Accidental erase prevention. Dimensions, each unit:
15%" w., 8%" h., 14" d. Weight: Unit "A," 37 lbs.
Unit "B," 22 lbs.
UHER, distributed by : WARREN J. WEISS, 346 West 44th St., New York 36, N. Y.
Uher
Universal
Monophonic
Portable
$299.95
Stereo Record III
Portable Stereo
Recorder
$399.50
40-16,000
cycles at
3 3/4 "/sec.
40-8,000
cycles at
l'/,"/sec.
40-4,000
cycles at
15/16"/sec.
40-20,000
cycles at
7'/ 2 "/sec.
New triple-speed monophonic portable recorder.
Speeds: 3%, 1% and 15/16 ips. Hysteresis syn-
chronous motor. Push-button controls. Record level
indicator. Tape counter. Signal-to-noise ratio: 45 db.
Wow and flutter: ±0.3%. Inputs: five; radio, phono,
mike, remote control speaker; Akustomat (allows
recorder to be operated solely on audio); mixer (al-
lows four inputs to be mixed at once). Outputs: radio,
amplifier; external speaker, earphones. Dimensions:
4'/ 2 " h., 12" w., 10" d. Weight: 17 lbs.
New stereo recorder that records and plays four-track
stereo/mono and plays two-track stereo/mono. Three
speeds: 7'/ 2 ips., 3% ips. and 1% ips. Sound-on-
sound recording. Hysteresis synchronous motor. Digi-
tal counter. Recording lock button. Cueing/editing
pause button. Separate level indicators. Wow and
flutter: better than 0.1%. Signal-to-noise ratio: less
than 55 db. Dimensions: 16"4" x 15%" x 7%".
Weight: 35 lbs.
Model and Price
Model PR-10-2
Stereo/Mono
Recorder
$945.00 for Rack
Mounting
$995.00 With Portable Case
Model PR-10-1 Monophonic Recorder
$845.00 For Rack Mounting
$895.00 With Portable Case
Model 354C
Stereo/Mono
Recorder
$1925.00
console mounted
$1875.00
2 case portable
$1775.00
Unmounted
Model 351- U
Unmounted
Monophonic
Recorder
$1475.00
\y*£»*^ t
Model 351-2P
Two-channel
Portable
Recorder
$2105.00
Model 352-2
Stereo Tape Reproducer
with console
$1643.00
without console
$1485.00
Model 3300-B
High Speed Tape Duplicator
(other duplicator
models available)
Frequency Response
30-18,000
cycles (±2 db)
at 15 "/sec.
40-12,000
cycles {±2 db)
at 71/2 "/sec.
40-8,000
cycles (±2 db)
at 334 "/sec.
same as above
30-18,000
cycles (±2 db)
at 15"/sec.
40-12,000
cycles (±2 db)
at 71/2 "/sec.
40-8,000
cycles (±2 db)
at 334 "/sec.
same as above
same as above
same as above
Detailed
specifications and
prices available
from
manufacturer
Data
New two channel, two speed professional recorder
for either stereo or monophonic recording. Has new
electro-dynamic clutch system. All alignment con-
trols available from front panel access door. Plug-in
equalizers for NAB, AME or CCIR curves. Accessory
self-threading system available. Four-position head
assembly: separate two-channel erase, record, play-
back heads plus position for optional 4-track stereo
playback or special requirements. Independent rec-
ord and playback amplifiers for each channel per-
mit "A-B" monitoring while recording. Two VU
meters. Push-button control plus remote control.
Automatic stop switch. Hysteresis synochronous
drive motor. Speeds 7 l / 2 — 15 ips or 3% — 7*/ 2 ips.
Inputs: two unbal. bridge. Outputs: two 600 ohm +
4 dbm nominal. Signal-to-noise ratio: 55 db at 7V 2
— 15 ips, 50 db at 3 3 A ips. Flutter and wow: less
than 0.15% at 15 ips and 7V 2 ips; 0.25% at 3% ips.
Requires 14" rack space. Portable dimensions: 20Y 2 "
x WA" x 9". Weight: 50 lbs.
Model PR-10-1 is the same as the above except for.
single channel (half or full track) operation. Inputs
include one microphone input and one bridging input
(may be converted to two mic inputs with accessory
plug-in pre-amp). Gain controls on each input.
Professional two-channel, two-speed recorder. Three
head stacks. Two illuminated VU meters, plug-in
equalizers for NAB, AME or CCIR curves. "A-B"
monitor switches. "Record-Safe" switch and chan-
nel A, AB or B record selector. All electronic align-
ment available from access door in front panel.
Direct drive 7 1 / 2 — 15 or 3% — 7 l / 2 ips hysteresis
synchronous motor. Pushbutton relay-solenoid opera-
tion. May be fully remote controlled. Automatic cut-
off switch. Two unbal. bridge inputs. Output: +4 dbm
into 600 ohm load. Signal to noise ratio 55 db at 7V 2
and 15 ips, 50 db at 3% ips. Flutter and wow: 0.15%
at 15 ips and 7V 2 ips, 0.25% at 3% ips. Dimensions:
transport 19" x 15%", electronics 19" x 7" unmtd.
Console: 42"h x 24*4 "w x 28 Wd. Weight: 155 lbs.
Professional (full or half track) two speed recorder.
Direct drive 7V 2 — 15 or 3% — 7 1 / 2 ips hysteresis
synchronous motor. Pushbutton relay-solenoid opera-
tion. May be remote controlled. Automatic cut-off
switch. Timing accuracy: ±0.2%. Standard NAB
equalization curves (AME optional). 4" VU meter.
Built-in microphone pre-amp. Output +8 dbm (or -j-4)
into 600 ohms. Signal to noise ratio: full track, 60
db; half track, 55 db at 7 l / 2 and 15 ips. Flutter and
wow: less than 0.15%. Independent record and play-
back system. Also available in portable cases or con-
sole. Rack space 19" x 22 3 A". Weight 76 lbs.
Professional dual speed, two-channel (stereo/mono)
recorder with same tape transport and control fea-
tures listed on the 351 -U above. Three, two-track
head stacks; erase, record and playback. Indepen-
dent electronics for each channel, each with input
selector, channel record button, 4" VU meter with
switch to read "input" or "tape" level, bias and erase
current. Also available for rack mounting. Weight (2
cases) 105 lbs.
Professional tape reproducer for playback of pre-
recorded tapes. No danger of accidental erasure
since the 352 does not have erase or record heads.
Specifications are the same as the 351-2P recorder
above, less the record feature; may be fully remote
controlled. Other models available for full or half
track playback, rack or portable mounting. Dimen-
sions: 35" x 24 Vi" x 243/ 4 ". Weight: 109 lbs.
New high speed tape duplicator for making four
track 7V 2 ips commercial stereo tapes, duplicating
simultaneously two stereo tracks in the forward di-
rection and two-stereo tracks in reverse direction. Up
to 10 one-hour reels of four track stereo program
material can be duplicated in 4 minutes. Can feed
from one to ten slave units, employing new perma-
nently aligned head stacks. Equalization compen-
sates for speed ratios used, tape copies have no
appreciable change in frequency response from suit-
ably prepared 4-track masters.
AMPLIFIER CORPORATION OF AMERICA, 398 Broadway, New York 13, N. Y.
"Standard Trans-Magnemite"
Speed
Models in/sec. Price
612-A
%
$420
300
2,500 cps
1 612-B
1'/.
$370
100
3,000 cps
1 612-C
3%
$380
50
7,500 cps
612-TD
7V4
$390
50
10,000 cps
J 612-SD
7'/ 2 *
$390
50
10,000 cps
W 612-E
15*
$430
50
15,000 cps
'Single Track Unit
Professional, transistorized, battery-operated, spring-
motor, portable field recorder. Available in single-,
two-, three-, and four-speed models. Models at speeds
of 3 3 A, 7V 2 and 15 ips exceed NARTB Broadcast
standards. Uses small dry replaceable or recharge-
able batteries which last 125 hours. No microphonics
or motor noises; low noise input stage (0.25 micro-
volt). High-speed rewind; modular plug-in construc-
tion; ball-bearing supply and take-up reel shaft.
Dimensions: 11" x 10" x 7". Weight: 15 lbs. Same
units with VU meter: $75 additional.
AUDIO RECORD
Model and Price
Frequency Response
Data
AMPLIFIER CORPORATION OF AMERICA, 398 Broadway, New York 13, N. Y.
Models
312-A
312-B
312-C
312-TD
312-SD*
312-E*
Speed
in/sec.
96
l'/i
3 3 /4
7'/ 2
7Vi
15
Price
$436
$386
$396
$406
$406
$446
* Single Track Unit
Speed
Models in/sec. Price
610-A % $275
610-B 1% $225
610-C 3% $255
610-TD 7V4 $275
610-SD 7% $295
610-E 15 $335
610-DM %-7>/i $355
"Magnemite" Portables 610-EM l'/,-15 $395
SINGLE CHANNEL
535-B IV, $345
535-C 3% 365
535-D 7% 385
535-E 15 405
"Magneloop"
Continuous Loop Recorder
50- 2,500
50- 4,000
50- 7,500
50 - 10,000
50 - 10,000
50 - 15,000
300- 2,500 cps
100- 3,000 cps
50 - 5,000 cps
50 - 7,500 cps
50 - 7,500 cps
50 - 15,000 cps
Ssame
as above
50 - 2,500 cps
50- 7,500 cps
50 - 10,000 cps
50- 15,000 cps
Professional, transistorized, portable, electric-motor,
battery-operated recorder available in six single-
speed models. Low noise input stage (0.25 micro-
volts); no microphonics. Overall gain 110 db. Oper-
ates from dry rechargeable or replaceable batteries.
Special meter incorporated for VU, Amplifier and
Motor Batteries. Electrically rewinds 5" reel in less
than three minutes. Modular plug-in construction.
Models at speeds of 3%, 7V5 and 15 ips exceed
NARTB Broadcast standards. Dimensions: 5V2" x 9" x
12". Weight: 8 lbs. Same units usually available in
conventional briefcase: about $89 additional.
Completely self-contained, battery-operated portables
with spring motor drive. Models 610-SD and -E, one
track. Four speed models 610-DM and -EM, one or
two track. All others dual track. Winding interval, 3
to 15 min. Motor can be rewound while operating.
Indicator signals 30 sec. before motor rewind. Play-
back through headphones or external amplifier. Op-
tional erase. Dimensions: 11" x 8" x 5" for 610-A
and B; 11" x 10" x 7" for others. Weight, 12 to 17 lbs.
All standard "Magnemites" available in weather-
tight sealed aluminum cases with tongue and grooved
edges and built-in neoprene gasket seals: $30 extra.
All models except 610-DM and -EM are available with
VU meter: $90 additional.
Designed to record and play back any messages,
musical programs or sound effects up to 60 min. in
length on cartridge-loaded endless loop of std. Vi"
tape. Automatic erase. Push-button start and stop,
switch or relay remote control. Electronic-eye record-
ing level indicator. Microphone and bridging inputs.
Output impedance, 600 ohms. Output level, + 6VU.
Headphone monitoring. Panel mounting or rack cabi-
net. Size, 19" x 8 3 /i" x 9'/ 2 ". Weight: 24 lbs. Dual
channel version of each model is $150 additional.
ANDREWS ENTERPRISES, INC., 6 East Kinzie Street, Chicago 11, Illinois
■
Inventory
Recorder
$450.00
100-3000
cycles at
l'/,"/sec.
New transistorized recorder designed for inventory
taking. Single speed: l'/ 8 ips. Uses 8" reels. Fre-
quency response deliberately diminished at upper
and lower extremes to distinguish voice from back-
ground noise. Two switch level controls. Remote con-
trol. Error proof echo feature. Trouble alarm. Dimen-
sions: 18'/ 4 " x 11%" x 8". Weight: 21 lbs.
AUDI0MATI0N LABORATORIES, 7230 Clinton Rd., Upper Darby 23, Pa.
Pre-Monitor
Program Delay
Device
$785.00
Autosperser
Consecutor * «
Prices on request
<n
Exactone
Continuous Tape
Player
$900$ 1000
150-5,000 cps
for telephone use
Wider Range for
Direct Mike Use
40-15,000
cycles at
7V 2 "/sec.
40-8,000
cycles at
33/ 4 "/sec.
40-15,000
cycles at
7% "/sec.
40-8,000
cycles at
33/ 4 "/sec.
This endless loop device, using standard 1 /a" tape,
permits monitoring broadcast program several sec-
onds before it goes on the air. Designed for 600-ohm
balanced lines at plus 4 VU. For use with telephones,
frequency response is intentionally limited to maxi-
mize intelligibility and minimize hum and noise.
Autosperser has two Exactone players, (described
below), control panel for either wired or broadcast
service, Adcaster tape player that provides up to 30
minutes of recorded commercial on one track and
automatically rewinds and cues to first commercial
when played through. The twelve-station program-
ming cycle repeats automatically. Automatic standby.
Autosperser-24 has 24-station programming cycle.
Consecutor System has two Exactone 8-hour ma-
chines and a control panel. For unattended opera-
tion. Operating cycle: Machine #1 plays track A,
reverses, plays track B, reverses, shuts off, starts
machine #2. Machine itl performs same cycle and
restarts machine #1. Automatic standby. Provision
for manual operation so that tapes may be changed
without interrupting program.
Heavy-duty rack type tape player for up to 8 hours
of unattended background music without repetition.
Two speeds. Automatic reversal and shut-off. Auto-
matic continuous re-cycling or shut-off controlled by
switch on panel. Signal-to-noise, better than 50 db
at 7V 2 " /sec. Hysteresis synchronous capstan motor
and two 4-pole torque motors. Max. reel size, 14".
Price depends on type of amplifier.
BELL & HOWELL COMPANY, 7100 McCormick Road, Chicago 45,
Model 785
Monaural Portable
$209.00
Model 785-4TS
Four-track Stereo
Portable Recorder
$259.95
50-13,000
cycles (±4 db)
at7y 2 "/sec.
Two-speed, dual track monaural portable. Five push-
button controls. Two 5% -inch speakers. Tape speeds:
7'/ 2 and 3% ips. Recording level guide. Play and
Record pushbuttons interlocked to prevent accidental
erasures. Fast rewind: 1200 feet in 80 seconds. Dis-
tortion less'lhan 1%. Signal-to-noise ratio more than
40 db. Wow and flutter less than 0.35%. Input for
microphone, radio, phonograph or TV. Output jack for
external speaker. Dimensions: 10" x 15%" x 15W.
Weight: 33 lbs.
Model 785-4TS is a new four-track stereo version of
the above.
September, 1960
23
Model
and
Price
Frequency Response
Data
"p3j
Model 2
Monaural Tape
Recorder
$249.50
60-7,500
cycles (:_3 db)
at 3%'Vsec.
60-4,000
cycles (±3 db)
at l%"/sec.
Model 2 is a dual-speed, dual-track monaural re-
corder. Signal-to-noise ratio: 52 db. Other specifica-
tions similar to Model 3 on page 22. Built-in sole-
noids and plug-in foot pedal for remote control
operation are $50 additional.
TAPE-ATHON, 523 South Hindry Street, Inglewood, Calif.
Model 375
Portable Player
Monaural $344.50
Stereo $464.50
Add $45.00 for 10V4"
reel capacity
Add $10.00 for rack
mounting
Add $20 00 for
pre-amplifier
Add $50.00 for
pre-amplifier/ amplifier
50-8,000
cycles at
7>/ 2 "/sec.
50-12,000
cycles at
7'/ 2 "/sec.
(stereo)
New series of monaural and stereo tape players in
models for 7" or IOV2" reels at speeds of 7'/ 2 , 3%
or 1% ips. (Stereo version handles either 3% or 7'/ 2
ips four-track stereo tapes.) Automatic reverse from
end-of-tape foil. Automatic tape tension shut-off. Wow
and flutter: less than 0.4% at 1% ips, less than
0.25% at 33/4 ips. Signal-to-noise ratio: 50 db at 3%
ips. Approximate dimensions: 19" w., 11 W h„ 10"
d. Units with IOV2" reel capacity are also available
in console mounting for $94.50 additional, 30-watt
amplifier is $26 additional.
TAPE RECORDERS ELECTRONICS LTD., 784-788 High Rd., Tottenham, London N-17, England
Model 333
Belle
Monaural Portable
Recorder
$85.00
90-8,500
cycles at
33/ 4 "/sec.
Twin track automatic monaural recorder with push
button control, made in England. Electronic eye level
indicator. Wow and flutter: better than 0.1%. Signal-
to-noise ratio: better than 45 db. Can be used as
amplifier or pick-up, tuner, mike. Outputs: external
speaker. Dimensions: 5" x 10" x 8". Weight: 11 lbs.
TELECTR0 INDUSTRIES CORP., 35-16 37th St., Long Island City 1, N. Y.
Telectro
Model
938
Price on
Request
Telectro
14" Tape
Transport
Price on
Request
30-10,000
cycles (±2 db)
at 7i/ 2 "/sec.
30-15,000
cycles (±2 db)
at 7y 2 "/sec.
Professional-type recorder for portable, rack or con-
sole mounting. Plug-in head assembly— single or dual
track. Two speeds: 7'/ 2 ips and 15 ips. Wow and flut-
ter: less than 0.2% at 7>/ 2 ips, less than 0.15% at
15 ips. Distortion: less than 0.2% rms at maximum
recording level. Signal-to-noise: over 55 db at both
speeds. VU meter. Adjustable bias. Microphone,
bridge and line inputs. Outputs: 600 ohms balanced;
monitor jacks for power amplifier and headset. Play-
back timing accuracy: better than 0.2%.
Professional tape transport for rack or portable
mounting. Hysteresis synchronous motor drive, with
torque motors for supply and take-up reels. Speeds:
7'/ 2 " and 15"/sec. Starting time: 0.1 sec. Stopping
time: 2" at 15"/sec. Timing accuracy: 0.2%. Fast
forward and rewind: 1 min. for 14" reel. Wow and
flutter: 0.15% at 15"/sec. Plug-in head assembly —
3 heads single or dual track. Push-button relay opera-
tion, editing knobs, automatic shut-off. Solenoid
brakes.
TELECTR0S0NIC CORPORATION, 35-18 37th St., Long Island City 1, N. Y.
"Stereo Master"
Model SS461
$349.95
"Stereo Fidelity'
Model SR441
$239.95
Model SP001
Speaker Pair
$44.95
High Fidelity"
Model MR241
$179.95
Stereo Portable
"Stereophonic"
• T-^ Model SA121
$129.95
Model SP601
Amplifier/Speaker
$29.95
Model MR121 Monaural Portable, $109.95
50-15,000
cycles (±2 db)
at 7i/ 2 "/sec.
50-10,000
cycles (±2 db)
at 33/4"/sec.
50-5,000 cycles
at l%"/sec.
as above
as above
100-10,000
cycles at
7% "/sec.
as above
New three-speed recorder for two- and four-track
stereo record/playback and monaural record/play-
back. Sound-on-sound recording. Speeds: 7 l /z. 3%
and 1% ips. Push-button controls. Has two 5" speak-
ers in "wings" that unfold from recorder, one 4" x 6"
speaker in recorder. Two VU record level indicators.
Wow and flutter: 0.25% at 7'/ 2 ips. Signal-to-noise
ratio: 45 db. Distortion: 1% at normal power output.
Bias oscillator frequency: 65 kc. Speed accuracy: 2%
at all speeds. Inputs: two low-level mike; two high-
level radio/phono with direct play-through in play
position. Outputs: two external speakers. Dimensions:
9"/ 2 " h., 18" w.. 14y 2 " d. Weight: 35 lbs.
Model SR441 is similar to Model SS461 except stereo
playback only, plus monaural record/playback. Neon
bulb record level indicator. Model SP001 speaker pair
matched with SR441 recorder to provide greater
speaker separation.
Model MR241 is similar to Model SR441 above except
half-track monaural record/playback only.
New two-speed portable for monaural record/play-
back, two- and four-track stereo playback. Speeds:
7V 2 and 3% ips. Knob controls for record/playback;
wind/rewind. Pushbutton for speed selection. Record
safety interlock. Speakers: 5" woofer, 4" tweeter.
Wow and flutter: less than 0.3%. Signal-to-noise
ratio: 40 db. Inputs: one for mike; one for radio/
phono/TV (with patch cord). Outputs: external speak-
er; amplifier/speaker (Model SP601). Dimensions:
14" w., 8 VI" h., 13" d. Weight: 17 lbs.
Model MR121 is a dual-track monaural version of
Model SA121 above.
22
AUDIO RECORD
September, 1960
Model and Price
Frequency Response
Data
STEELMAN PHONOGRAPH AND RADIO CO., INC., P.O. Box 82, Eost Station, Yonkers, N. Y.
Transitape
Monaural Portable
$199.50
for
voice
recording
New dual-speed, dual-track, all-transistor portable re-
corder/player. Speeds: 3% and 1% ips. Electric
motor drive with battery power. 64 minutes playing
time. Battery level indicator. 4" speaker. Glow tube
recording level indicator. Fast forward. Record safety
interlock. Overall gain: 55 db. Wow: 0.5% at 3% ips.
Inputs: one miniature jack, 100,000 ohms. Outputs:
mike, earphone or external speaker. Dimensions:
9%" h., 6'/ 2 " w., 3" d. Weight: 6'/ 2 lbs.
SUPERSC0PE, INC., 8150 Vinelond Avenue, Sun Valley, Calif.
SONY Model 101
Monophonic Portable
$99.50
SONY Model 262-SL
Mono/Stereo
Recorder
$199.50
Transport only $89.50
(with Four-track stereo erase/record/playback)
Stereocorder 300
Stereo
Portable
$399.50
50-12,000
cycles (±2 db)
at 7V2"/sec.
50-8,000
cycles (±2 db)
at 33,i'7sec.
50-15,000
cycles (±2 db)
at 7i/ 2 "/see.
50-12,000
cycles (±2 db)
at 33A"/sec.
50-15,000
cycles (±2 db)
at 7 1/2 "/sec.
50-10,000
cycles (±2 db)
at 3%"/sec.
New transistorized dual-track monophonic recorder.
Two speeds: 7>/ 2 ips and 3% ips. Wow and flutter:
less than 0.25% at 7'/ 2 ips. Signal-to-noise ratio:
better than 55 db. Fast forward and rewind. Record-
ing level indicator. Pilot light. Single function switch:
forward/stop/rewind. Dimensions: 13" x 10" d. x
6'/ 2 " h. Weight: 19 lbs.
New four-track monophonic recorder that also plays
back four- and two-track stereo. Each track indi-
vidually selectable. Two speeds: 7'/ 2 and 3% ips.
Pilot light. Neon record level indicator. Digital footage
indicator. Flutter and wow: 0.15% at 7'/ 2 ips. Signal-
to-noise ratio: 50 db. Features sound-with-sound re-
cording for language and music training. Dimensions:
14" x 11" x 7". Weight: 20 lbs.
New dual-speed stereo recorder. Four- and two-track
stereo and monaural record/playback. VU meters.
Sound-on-sound recording. Push button controls. Fast
forward and rewind. Safety interlock. Digital footage
counter. Wow and flutter: less than 0.15% at 7'/ 2 ips.
and 0.25% at 3% ips. Signal-to-noise ratio: 50 db.
Harmonic distortion: less than 2%. Inputs: for mike,
tuners, record and tape players. Outputs: for external
preamps or power amps; monitor. Dimensions: \&Vz"
w. x 12%" d. x 7%" h. Weight: 35 lbs.
TANDBERG OF AMERICA INC., 8 Third Ave., Pelham, N. Y.
Series 6
Stereo Tape Deck
$498.00
Model 5
Stereo Tape Deck
$419.50
Model 5-2
Stereo Tape
Recorder
$514.50
Model 5-2-266
Stereo Tape
System
$638.50
Model 4
Monaural /Stereo
Tape Recorder
$349.50
Model 3
Monaural Tape
Recorder
$299.50
30-16,000
cycles (±2 db)
at 7i4"/sec.
40-11,000
cycles (±2 db)
at 3%"/sec.
50-5,500
cycles (±2 db)
at iy 8 "/sec.
30-16,000
cycles (±2 db)
at 71/2 "/sec.
40-10,000
cycles (±2 db)
at 3%"/sec.
70-5,000
cycles (±2 db)
at l%"/sec.
40-16,000
cycles (±2 db)
at 7 y 2 "/sec.
50-9,000
cycles (±2 db)
at 3%"/sec.
70-4,500
cycles (±2 db)
at l%"/sec.
New stereo tape deck that records and plays back
four-track stereo and monaural. Three speeds: 7V4,
3% and 1% ips. Single lever control. Digital footage
counter. Hysteresis synchronous drive motor. Dual
electronic recording level eyes. Two record and two
playback preamps. Pause control. Wow and flutter.
0.1% rms at 7>/ 2 ips, 0.2% at 3% ips, 0.25% at 1%
ips. Cross talk rejection: 60 db. Inputs: two mike, two
high level, two low level. Outputs: two cathode fol-
lower. Dimensions: 16" I., 12" w., 6" h. Weight: 25 lbs.
Carrying case: $24.50 extra.
Three-speed recorder for four-track stereo and mon-
aural record/playback, two-track stereo and monaural
playback. Speeds: 7>/ 2 , 3% and 1% ips. Lever con-
trols. Clock counter, automatic shut-off, dual record-
ing level indicators. Selective erase head erases any
of the four tracks, individually or in pairs. Signal-to-
noise ratio: 55 db. Wow and flutter: 0.1% at 7'/ 2 ips.
0.2% at 3% ips, 0.25% at 1% ips. Inputs: two each
for mike; radio/phono/stereo disc. Outputs: two for
external speakers or amps. Dimensions: 15" I., ll 3 /s"
w., 6%" h. Weight: 27 lbs. Luggage case: $23.00 extra.
Model 5-2 is same as above with addition of two
stereo recording playback amplifiers.
Model 5-2-266 is stereo tape system consisting of
Model 5-2 and two matched bookshelf speakers.
Model 4 records and plays back four- and two-track
monaural, plays back four- and two-track stereo.
Other specifications similar to Model 5. Built-in
solenoids and plug-in foot pedal for remote control
operation are $50 additional.
Model 3 is a dual-track monaural version of Model 5.
Does not have selective erase head. Built-in solenoids
and plug-in foot pedal for remote control operation
are $50 additional.
Model and Price
Frequency Response
Data
BELL SOUND DIVISION, THOMPSON RAMO WOOLDRIDGE, Inc., 555 Marion Road, Columbus 7, Ohio
Maestro Group for Stereo Tape Cartridge
Model 404 Player
$249.95
Model 405 Recorder
$319.95
Model 450
Speaker System
$49.95
The Playmate
Model 406
Stereo Cartridge
Portable Recorder
$319.95
Model 460
Speaker System
$39.95
Overture Series for Stereo Tape Cartridge
Model 401
Transport
$99.95
Model 402
Plaver
$129.95
Model 403
Recorder
$219.95
Tape Transports
T210 $114.95
T211 $124.95
T212 $134.95
T213 $154.95
T218 $319.95
T221 $144.95
T223 $169.95
T228 $329.95
T238 $339.95
RP 120B
Record/Playback Pre-Amplifier
$59.95
P 100 Playback Pre-Amplifier
$39.95
30-15,000
cycles at
33/ 4 "/sec.
same as above
25-12,000
cycles (±2 db)
overall-record-
playback extends
to 15,000 cycles
playback only
New series of four-track stereo tape cartridge play-
ers and recorders. Single speed: 3 3 /i ips. Flutter:
less than 0.25%. Power output: 7 watts each chan-
nel. Dual outputs: 8 ohms for speakers. Model 404
has playback heads with playback preamps and am-
plifiers, selector for tape, phono, auxiliary. Model
405 has erase/record/playback heads with record/
playback preamps and amplifiers; two volume level
indicators; three dual inputs: phone, mike, auxiliary.
Controls: knobs for selector, treble, bass, two vol-
ume. Model 406 is portable version of Model 405.
Approximate dimensions for all three models: 9>/ 2 "
h., I6V2" \'-'-, 15" d. Approximate weight for all three
models: 43 lbs.
Model 450 speaker system matches Models 404 and
405. Model 460 speaker system matches Model 406
recorder.
New series of four-track stereo tape cartridge play-
ers and recorder. Single speed: 3% ips. Flutter: less
than 0.25%. Units have knob controls, where ap-
plicable. Model 401 has playback heads only. Model
402 has playback heads with dual playback preamps.
Model 403 has erase/record/playback heads with
dual record-playback preamps. Approximate dimen-
sions of all models: 7" h., 12" w., ll'/ 2 " d. Approxi-
mate weight of all models: 25 lbs.
A basic tape transport providing almost unlimited
flexibility. Three motors. Two speeds: 7'/ 2 and 3%
ips. Signal-to-noise ratio: better than 50 db. Flutter
less than 0.25%. Distortion less than 1%. Has in-
dex counter, power off-on switch, piano-key controls,
micro-switch automatic stop. Available in following
combinations: T-210: monaural record/playback; T-
211: monaural and half-track stereo playback; T-212:
monaural record/playback and half-track stereo
playback; T-213: monaural record/playback and half-
track stereo record/playback; T-221: monaural
quarter-track and half-track stereo playback; T-223:
monaural, half-track stereo record/playback and
quarter-track stereo playback (above models require
matching preamplifiers); T-228 incorporates T-223
with two RP 120B preamps in a carrying case; T-238
has monaural, quarter-track stereo record/playback
and half-track stereo playback with two RP 220 pre-
amps in carrying case.
B0GEN-PREST0, Division of THE SIEGLER CORP., P. 0. Box 500, Paromus, New Jersey
Model PB-17C
Tape Reproducing
Mechanism
$785.50
Model A-909
Pre-amplifier
$132.00
Above in console
$1,118.75
800 Series Tape Recorder
with Amplifier
Monaural
Rack Mtg. $1695.00
Portable $1810.00
Console $1945.00
Stereo
Rack Mtg. $2185.00
Portable $2350.00
Console $2485.00
Transport only
$1055.00 (for Vt" tape)
$1755.00 (for V 2 " tape)
Model 825
Rack Mtg. $2885.00
Portable $3050.00
Console $3185.00
Model 850
Three Channel
Rack Mtg. $3500.00
Portable $3715.00
Console $3800.00
Four Channel
Rack Mtg. $4240.00
Portable $4505.00
Console $4600.00
50-8,000
cycles at
3% "/sec.
30-20,000
cycles (±2 db)
at 15"/sec.
40-12,000
cycles (i2 db)
at 7>/2"/sec.
50-15,000
cycles (+2 db)
at 15"/sec.
50-10,000
cycles (±2 db)
at 7>/2"/sec.
Dual-track reproducing mechanism with 3% ips. tape
speed and automatic reversal, giving up to 8 hours
of continuous music on a 4800-ft. reel. At end of
this time, mechanism may be made to recycle or
stop. Heavy duty capstan drive unit with individual
torque motors for each reel. Fast forward and fast
rewind. Signal-to-noise, 55 db. Dynamic range, 45 db.
Flutter 0.25% at 3 3 / 4 " speed. Other speeds available.
Silence sensing switch and timing accessories avail-
able. PB176 may be incorporated into completely
automatic or semi-automatic programming systems
for background music or main channel broadcasting.
New series of professional-type tape recorders fea-
turing sweep loading, automatic tape lift, new type
editing function for run-off of unwanted tape, new
cue button for hand cueing without motor or brakes,
and new solenoid brakes and pressure pulley. Direct-
drive hysteresis synchronous capstan motor and two
torque motors. Three speed ranges of rewind and
fast forward. Input can be switched to balanced or
unbalanced 600-ohm line, bridging input or micro-
phone input. Illuminated VU meter. Two separate
output circuits. Wow and flutter are no more than
0.07% at 15 ips or 0.15% at 7'/ 2 ips. Signal-to-noise
ratio is 60 db at 3.0% distortion. Distortion is 1.0%
(harmonic) at +10 dbm output from 25 to 20.000
cps. Monaural version with either full- or half-track
heads.
Model 850 is new stereo recorder with exclusive de-
sign permitting instant change from half-inch to
quarter-inch tape or vice versa. Has three amplifiers.
Signal-to-noise ratio: 55 db at 3.0% distortion. Other-
wise specifications are the same as above.
Model 825 is Model 850 mechanism with heads for
Va" tape, and two amplifiers. Can be converted to
Model 850 by adding an amplifier and substituting
V 2 " heads.
AUDIO RECORD
Model and Price
Frequency Response
Data
BROADCAST EQUIPMENT SPECIALTIES CORP., P. 0. Box 149, Beacon, N. Y.
Pocketape
Monaural Portable
$349.50
100-9,000
cycles at
7V4"/sec.
100-6,000
cycles at
33/ 4 "/sec.
100-4,000
cycles at
l'/r/sec.
Pocket-size transistor recorder. "Broadcaster" model
records 90-mil track at single speeds of either 7V 2
or 3% ips, giving up to 15 continuous minutes at
7V 2 ips. "Investigator" model records at single speeds
of either 3% or l'A ips on dual tracks. Speeds of
both models may be changed by a technician. All
models erase, record, and play back. Interlocks.
Microphone doubles as listening device. Signal-to-
noise ratio: 55 db. 10-hour motor batteries. Size: l'/ 2 "
x 4'/ 2 " x 6'/,". Weight: 2V4 lbs.
"Tapelog" is the group proprietary name for various
communications and instrumentation memory de-
vices employing the basic Pocketape mechanism.
Tapelog power source may be internal or external,
AC or DC of any common voltage. Prices and per-
formance data from the manufacturer on request.
BUTOBA, distributed by TURNING CORP. OF AMERICA, 34 Pork Row, New York 38, N. Y.
Portable Recorder
Model TSS1
$245.00
Model TS71
$295.00
Model MT4
Portable Recorder
$249.50
50-9,000
cycles (±3 db)
at 3%"/see.
60-13,000
cycles at
7y 2 "/sec.
50-13,000
cycles at
3y t "/sec.
Portable, transistorized, dual-track, four-flashlight
battery-operated recorder with push-button controls.
Driven by special spring-wound motor with elapsed-
time indicator. Tape speeds: 3% and 1%. Running
time is 20 and 40 minutes respectively. Multi-purpose
head: record and playback-erase. Volume level indi-
cator is magic eye tube. Playback through built-in
oval speaker or external amplifier. Telephone conver-
sation recorder adapter optional.
Same as above except for single speed: 7'/ 2 ips. Has
noise level of ±45 db. Record and playback time: 15
minutes. Single track.
New battery-operated transistorized recorder that op-
erates on eight flashlight batteries or on electrical
current. Two speeds: 3% ips and l 7 /s ips. Seven tran-
sistors, push-button operation, fast rewind and fast
forward, tone and volume controls, volume indicator.
Dimensions: 6" h., 12" w., 9" d. Weight: 12 lbs.
CALIFONE, manufactured by RHEEM CALIFONE CORP., 1020 North La Brea Ave., Hollywood 38, Calif.
Model LP 901
Dual Channel
Student Recorder
$328.00
Model LP 902
Single Channel
Student Recorder
$278.00
Model LP 910
Dual Channel
Console Recorder
$333.50
Model LP 921
Master Playback
$222.25
Model 75-T
Master Recorder
$349.50
SOLITAIRE Model 72-T
$349.50
30-15,000
cycles at
7>/ 2 "/sec.
40-15,000
cycles at
7V4"/sec.
40-9,000
cycles at
3y«"/sec.
New series of recorders and decks for language lab-
oratories. Two speeds: 7Vz and 3% ips. Synchronous
motor. Single control for functions. Rewind and fast
forward interlocked with function to prevent spillage.
Student records himself and either console master
or student's own master. Lower track erase only.
Neon pilot light. Resettable tape index counter. Sig-
nal-to-noise ratio: 50 db. Wow and flutter: 0.2% rms.
Harmonic distortion: 1.0%. Dimensions: 14'/ 2 " w.,
14'/ 2 " h. Weight: 27 lbs.
Model 902 is as above except for single channel am-
plifier for simultaneous record from student mike
and console master. Tape reels and heads fully en-
closed.
Model 910 may be used as a playback deck for
master recordings as well as making instructional
tapes.
Model 921 is for playback only of master tapes.
New educational recorder for master recording and
group listening. Dual record/play heads record on
upper (master) track, or simultaneously on upper/
lower with Califone lower track amplifier. One/two-
track erase. Two speeds: 7'/ 2 ips. and 3% ips. Wow
and flutter: under .20% rms. Record safety button
with upper-track safety interlock. Synchronous motor,
VU meter. Single function control. Rewind/fast-for-
ward. Safety interlock. Digital indicator. Dimensions:
15'/ 2 " w. x l2'/ 2 " h. x 18" d. Weight: 35 lbs. Price does
not include headphones.
COLE STEEL EQUIPMENT CO., INC., 415 Madison Ave., New York 17, N. Y.
Dictator
$220.00
Transcriber
$185.00
for voice
recording
New dictating/transcribing machine with operating
controls on mike. Speed: \ 7 /a ips. Push button con-
trols for telephone recording and upper and lower
track. Fast-forward/fast-rewind control. Electronic
erase and correction. Separate record/loudspeaker
controls. Recording time: 2 hours/reel. Dimensions:
11" w. x 4y 2 " h. x 9V," d. Weight 11 Vi lbs.
COLUMBIA PHONOGRAPHS, 405 Park Avenue, New York 22, N. Y.
Model C-690
Monaural Portable
$89.95
"Porta-corder"
Monaural Portable
$129.95
100-10,000
cycles at
7>/ 2 "/sec.
for voice
recording
New dual-speed monaural portable recorder. Speeds:
7'/ 2 and 3% ips. Takes 5" reels. Knob and lever con-
trols. Recording level indicator. Pilot light. Speaker:
6" oval. Inputs: mike, radio. Output: earphone moni-
tor. Dimensions: 6%" x 11" x 8%". Weight: 12 lbs.
New transistorized battery-powered monaural port-
able recorder. Speed: 3% ips. Six transistors. Takes
3" reels. Speaker: 3". Knob controls. Recording level
indicator. Powered by four l'/ 2 v. "D" batteries and
two l l / 2 v. "C" batteries. Input: mike. Dimensions:
12" w., 4 1 / 2 " h., 7>/ 2 " d. Weight: 9 lbs.
September, 1960
21
^^ Model and Price
Frequency Response
Data
I ' "^^t_# iv'. Vb^I
The Pro
Stereo Recorder
Model 892
$229.95
80-10,000
cycles at
7V4"/sec.
New recorder that records and plays back four- and
two-track stereo and monaural tapes. Two speeds:
7'/ 2 and 3% ips. Record level indicator. Push-button
controls. Pointer-type tape indicator. Safety record
interlock. Wow and flutter: 0.35% or less at 7V 2 ips.
Signal-to-noise ratio: 40 db. Harmonic distortion: 7%.
Bias frequency: 80,000 cycle. Output: one for speaker
or earphone. Input: one for mike. Input/outputs: two
for radio/phono/TV. Dimensions: 14'/ 2 " x 1 5 V4 " x
10". Weight: 37 lbs. Accessories available.
REED RESEARCH, INC., 1048 Potomac St., N.W., Washington 7, 0. C.
Transcriber
Variable Speed
Recorder
Model K-3
$1,100.00
depends
on tape
speed
Transcribing recorder with tape speed continuously
variable between two-tenths and thirty ips. Can play
back any Vt" magnetic tape. Special switch
doubles or halves the selected speed. Automatic
back-spacing. Single channel, in-line or staggered
stereo tapes can be played. Foot pedal control for
stopping, starting and rewinding. Signal-to-noise
ratio: better than 40 db. Wow and flutter: less than
0.5%. Weight: 46 lbs. Dimensions: 14" x 19" x 5'/i".
REVERE CAMERA COMPANY, 320 East 21st St., Chicago 16,
Model T-2200
Four-track Stereo
Portable
$239.50
Model T-2000
Monaural Portable
$199.50
Model T-ll
Mono/Stereo
Recorder
$284.50
40-18,000
cycles (±3 db)
at 7V 2 "/sec.
40-13,000
cycles (±3 db)
at 33/J"/sec.
40-16,000
cycles (±3 db)
at 7 I / 2 "/sec.
New two-speed recorder that records and plays back
two- and four-track stereo and four-track monaural.
Speeds: 7V 2 and 3% ips. Keyboard control. Automatic
safety lock and warning light to prevent accidental
erase. Two-level record indicators. Index counter.
Appliance' power outlet. Wow and flutter less than
0.3%. Signal-to-noise ratio greater than 48 db.
Dimensions: 7>/ 2 " x 14" x 14'/ 2 ". Weight: 25 lbs.
Model T-2000 is a monaural version of Model T-2200.
Its frequency response is 3.000 cycles lower at the
upper limit at 7V 2 ips, 5.000 cycles lower at 3% ips.
Single-speed recorder for monaural record/playback,
stereo - playback. Built-in lower channei preamp. Sig-
nal-to-noise, over 50 db, wow and flutter less than
0.2%. Cathode follower output. Monitor amplifier
with 2V 2 watt output. Adjustable 70 Kc bias-erase
oscillator with indicator. Less than y 2 -second start
and stop. Automatic head demagnetizing. Digital tape
counter. Electrical remote with automatic drive roller
release. Dimensions: 19" w., 14" h., 9" d.
ROBERTS ELECTRONICS, INC., 1045 North Sycamore Avenue, Los Angeles, Calif.
Model 90 Stereo Recorder $349.50
Model A-901 Stereo Amplifier $149 50
Model 90-C-4 Stereo Recorder $359.50
Model 90-D Stereo Recorder $349.50
Model 990
Stereo Recorder
$399.50
40-15.000
cycles (±2 db)
at 7 1 / 2 "/sec.
40-7,500
cycles (±3 db)
at 33/i"/sec.
40-15,000
cycles (±3 db)
at 7y 2 "/sec.
40-12,000
cycles (±3 db)
at 3%"/sec.
Dual speed two-track stereo portable recorder with
hysteresis synchronous one-motor drive. Adjustable
record/play head. Locking device prevents accidental
erase. Pause lever. Digital index counter. Calibrated
VU meter. Signal-to-noise ratio: 50 db. Wow and
flutter: 0.18%. Inputs: low level, high impedance
mike; high level line. Input/output jacks for both
channels. Output: auxiliary speaker or line. Dimen-
sions: 15 3 '." h., 14y 2 " w.. 9V 4 " d. Weight: 28 lbs.
Model 90-C-4 is four-track version of above that
records and plays four-track stereo and monaural,
plays two-track stereo.
Model 90-D is the same as Model 90-C with the addi-
tion of "sound-on-sound" recording.
Model 990 is essentially the same as Model 90-C-4
except that it includes a second record/play amplifier
and set of outputs; wow and flutter is 0.10%; dimen-
sions are 20" x 14" x 9"; weight is 42 >/ 2 lbs.
THE STANCIL-HOFFMAN CORP., 921 North Highland Ave., Hollywood 38, Calif.
Minitape
Monaural
Recorder
$494.00
s> c-
OO
*P
''/,'
J
f
Model R5
Magnetic Tape
Recorder/
Reproducer
$1,600.00
flat to 10000
cycles at 7y 2 "/sec.
flat to 5,000
cycles at 3 3 /i"/sec.
flat to 4,000
cycles at l 7 ' B '7sec.
50-15,000
cycles (±1 db)
at 15"/sec.
New version of the MINITAPE available at single tape
speeds of l 7 / 6 , 3%, or 7V Z ips. Operates completely
enclosed. External pushbutton for start or stop. Takes
5" reels, records up to two hours continuously. Re-
chargeable nickel cadmium battery furnishes up to
AV2 hours on charge. Automatic volume control over
a 40 db range. Available stereo and for lip sychro-
nize motion pictures. Separate record, playback
heads and amplifiers. Dimensions: 9" x 12" x 5".
Weight: 13 lbs. Accessories available.
Professional-type, single-track recorder/ reproducer.
Speeds: 15 and 7V 2 ips. Direct drive hysteresis motor.
Torque motors with mechanical brakes. Bridging or
single low impedance microphone input and 600Q
zero level output. Continuously variable high speed
forward and rewind for editing and cueing. Piano key
push-button relay. Local or remote operation. Less
than 1 V£ % total harmonic distortion at 55 db signal-
to-noise. Dimensions: 19" x 14" 10V£" d. Weight:
100 lbs.
20
AUDIO RECORD
September, I960
Model and Price
Frequency Response
Data
PREMIER ELECTRONIC LABORATORIES, 382 Lafayette St., New York 3, N. Y.
"TAPESONIC"
Model 70-D.S.F.
Quarter-track
stereo recorder
$535.00
"TAPESONIC"
Model 70-D.H.T.
Half-track
monaural record
and playback
$398.75
"TAPESONIC"
Model 70-D.F.T.
Full-track
monaural record
and playback
$458.50
30-24,000
cycles (±2 db)
at 15"/sec.
30-17,000
cycles (±2 db)
at 7 1/ 2 "/sec.
40-10,000
cycles (±3 db)
at 3 3 yV/sec.
New three-speed, quarter-track record and playback
machine. Will record and playback four separate
tracks, sound on sound. Plays back two-track stereo,
half and full-track monaural. Three separate quarter-
track heads, instantaneous monitoring from tape
while recording. A.B. switch. Direct drive Hysteresis
Synchronous motor and two condenser start torque
motors. Two VU meters. Push-button operation, auto-
matic stop, revolution counter, IOV2" reel capacity.
Wow and flutter: 0.1%, signal-to-noise ratio: 56 db.
Mixing channels for mike, radio or phone inputs.
Button and relay for preventing accidental erasure.
Standard NAB recording and playback curves. Timing
accuracy 0.2%. Electro dynamic brake action and
tape tension. Fast forward and rewind: less than one
minute for IOV2" reel. D.C. on preamp. heaters,
cathode followers on both outputs. Vertical or hori-
zontal operation. Standard 19" rack mount panels.
All models can also be supplied with two separate
portable cases for transport and amplifiers. Prices at
left do not include any cases.
PYRAMID ENTERPRISES, 3815 Trimble Rd., Nashville 12, Tennessee
W8I
Reflectograph
Variable speed
table model
recorder
$495.00
40-14,000
cycles (±4 db)
at 7i/ 2 "/sec.
New recorder with a continuously variable speed
control for any tape speed from 3.75 inches to 8.00
inches per second while stationary or in operation.
This unit is essentially for the professional recordist
and those specializing in the scientific investigation
of sound phenomena. Three motors, three heads,
interlocked micro-switched controls. Recording and
playback amplifiers mounted on separate chassis
independent of deck. Half track recording only. Wow
and flutter better than 0.2% at 7V 2 ips. Dimensions:
20 1 / 2 " I., 14»/2" w., 12" h. Weight: 46 lbs.
RADIO CORPORATION OF AMERICA, RCA Victor Radio "Victrola" Products, Cherry Hill, Camden 8, N. J.
Model SCP2
Portable Cartridge
Player-Recorder
$299.95
Model SH513
Speaker
$9.95
50 to 15,000
cycles
Portable tape cartridge player-recorder which plays
or records either monaurally or stereophonically using
new tape cartridge. Tape is four track, quarter-inch
tape which runs at 3 3 / 4 ips, playing up to two hours
of monaural music. Unit contains a 6V2 and two 3V 2
inch speakers. Contains two microphones for home
stereophonic recording and patch cord to record elec-
trically from stereo phono or AM-FM radio. Push-
button operation, no-erase guard, automatic shut-off
or standby, window counter, pilot light, input jacks.
RANGERTONE INC., 73 Winthrop St., Newark 4, New Jersey
"Rangerette"
Portable
Model A-2
$1500.00
complete
Console
Model
R-5C
with synchronizer
$4925.00
45-15,000
cycles (±2 db)
at 15"/sec.
50-8,000
cycles (±2 db)
at 7>/ 2 "/sec.
FOR SYNCHRONOUS SOUND RECORDING
Professional-type, single or multi track, dual-speed
recorders, with choice of 3%", 7V 2 ". 15" or 30" per
second tape speeds. Up to 2 hours recording at 7>/ 2 "
per sec. on 14" reel. Distortion, less than 2% total
harmonic. Maximum signal-to-tape noise, 55 db.
Double-puck, tight-loop tape drive. Peak-to-peak flut-
ter, less than 0.1% at 15"/sec. Rewind speed con-
trollable continuously from to 250"/sec. in both
forward and rewind. Meets all N.A.B. adopted stand-
ards. Complete monitoring and mixing facilities. VU
meter, signal indicator and footage counter calibrated
in minutes and seconds. Complete tape editing facili-
ties. Also available with positive "sprocketless" syn-
chronization for motion picture and TV applications.
Weight of Rangerette— 35 lbs.
Kits added to other professional recorders for Syn-
chronous Sound Recording for $320.00.
REC0RDI0-DAP, INC., 721 North Michigan Aveune, Chicago 11, Illinois
Model SA 801 Matching
Amplifier/Speaker, $49.95
The Versatile
Model 802
Stereo Recorder
$179.95
The Summit
Model 602
$149.95
Model SA 807
Matching
Amplifier/Speaker, $49.95
The Combo
Stereo Recorder
Model 806
$139.95
The American
Monaural
Recorder
Model 804
$89.95
80-10,000
cycles at
7"/ 2 "/sec.
85-8,500
cycles at
7y 2 "/sec.
New dual-speed, stereo recorder that records and
plays back two- or four-track stereo or monaural
tapes. Two speeds: 7V Z ips and 3% ips. Wow and
flutter: 0.35% or less. Signal-to-noise ratio: 35 db.
Harmonic distortion: 5%. Bias frequency: 80,000
cycle. Record level indicator. Pointer-type tape indi-
cator. Safety record interlock. Input: one for stereo
phono playback. Output: one for speaker or earphone.
Input/output: for radio/phono/TV. Dimensions: 13 7 / 8 "
x 13%" x 9%". Weight: 27 lbs. Accessories available.
Model 602 is half-track monaural version of above.
New dual-speed, stereo recorder that records and
plays back two- or four-track stereo and monaural
tapes. Two speeds: 7'/ 2 ips and 3% ips. Wow and
flutter: 0.35% or less at 7'/2 ips. Monitor switch.
Single knob for tape functions. Input: one for stereo
phono playback. Input/output: for radio/phono/TV.
Dimensions: 13" x 13'/ 2 " x 7'/4". Weight: 19 lbs.
Accessories available.
Model 804 is half-track monaural version of above.
Model and Price
Frequency Response
Data
CONCORD ELECTRONICS CORPORATION, 1549 North Vine St., Los Angeles 28, Calif.
MODEL 105
Monaural Portable Recorder
$129.95
Model 107
Monaural Portable Recorder
$139.95
70-10,000
cycles at
7 I / 2 "/sec.
70-7,500
cycles at
33/ 4 "/sec.
70-12,000
cycles at
7% "/sec.
70-8,500
cycles at
33/ 4 "/sec.
Portable, two speed, dual-channel recorder with sin-
gle knob control mechanism. Two speeds: 7V 2 and
3% ips. Magic-eye record level indicator, built-in tone
control, dual speakers, optically polished heads. Price
includes clip-on mike, remote control, monitor ear-
phones, patch cord. Dimensions: 6 1 /!" x 13%" x
ll 1 /,". Weight: 18 lbs.
New dual-speed, portable tape recorder. Speeds: 7 V 2
and 3% ips. Speed change by single knob control.
Tone control, magic eye record level indicator, op-
tically polished laminated heads, high frequency bias
and erase. Price includes: clip-on mike, remote con-
trol, monitor earphone, patch cord. Dimensions: 7 I / 4 "
x 11%" x 13%". Weight: 20 lbs.
'CROWN" INTERNATIONAL, South 17th St. & Mishawoka Rd., Elkhart, Ind.
Gold CROWN Model
702-"PRINCE"
Mono Recorder
$460.00
Gold CROWN Model
712-"STEREO X"
Stereo/Mono Recorder
$710.00
Gold CROWN Model
714C-"STEREO X"
Stereo/Mono
Recorder
$730.00
Gold CROWN Model
714C/A3030-
"ROYAL"
Quarter-track
stereo recorder
$920.00
-*' P <6?
"CROWN-O-MATIC"
-Model A51
Automatic tape
player y 2 -track
monaural
$695.00
"STEREO-O-
MATIC-Model A54
Automatic tape
player ' i -track
stereo
$795.00
TM3 "Transfer-Matic" $195.00
CROWN
Model 801
"BROADCASTER"
Full-track Recorder
$885.00
(other models available)
30-30,000
cycles (±2 db)
at 15 '/sec.
20-20,000
cycles (±2 db)
at 7'/ 2 "/sec.
30-11,000
cycles (±3 db)
at 3%"/sec.
50-28 000
cycles (±2 db)
at 15"/sec.
30-17,000
cycles (±2 db)
at 7'/ 2 '/sec.
30-9,000
cycles (±3 db)
at 3%"/sec.
50-15 000
cycles at
7»/ 2 "/sec.
50-7,500
cycles at
3y 4 '7sec.
30-30,000
cycles (±2 db)
at 15"/sec.
20-22,000
cycles (±2 db)
at 7 I / 2 "/sec.
30-15,000
cycles (±3 db)
at 3%"/sec.
Records and plays one-half track monophonic. Three
speeds: 15, 7>/ 2 and 3% ips. (1% ips available)
Patented differential magnetic brakes, magnetic pay-
off, and two-position magnetic torque take-up. Up to
10'/ 2 " reels. Fast-forward and rewind: 1200' in 38
seconds. Forced air cooling and adjustable micro-
sync timing. Wow and flutter: 0.06% at 15 ips, 09%
at 7'/ 2 ips, 0.18% at 3% ips. Timing accuracy: 99.5%
for four pole motor, 99.8% for hysteresis synchro-
nous motor. Inputs: mike or phone and mike and
play. Separate bass and treble boost on record and
playback. Recording bias check. Three speed record/
play equalization. VU meter (3"). Signal-to-noise ratio:
57 db at 15 ips, 54 db'at 7'/ 2 ips, and 51 db at 3%
ips. Automatic stop at reel end. Dimensions: 19" w. x
14" h. x 7>/ 2 " d. Weight 42 lbs.
Model 712 is same as Model 702 except for second
record/play amplifier for two-track stereo record/
playback, monaural record/playback. Dimensions:
19" w. x 17'/ 2 " h. x 7'/ 2 " deep. Weight: 49 lbs.
Records and piays quarter-track stereo, records and
plays Vi-track monaural, plays 2-track stereo. Three
speeds: 15 ips, 7V 2 ips and 3% ips. (1 % ips avail-
able) Three motor transport, patented differential
magnetic braking, forced air cooling, straight line
threading, automatic stop, handles up to IOV2" reels,
fast-forward and rewind. (1200' in 38 sec.) Wow and
flutter: 0.06% at 15 ips, 0.09% at 7"/ 2 ips, and 0.18%
at 3% ips. Timing accuracy: 99.5%. Signal-to-noise
ratio: 57 db at 15 ips, 54 db at 7'/ 2 ips. and 51 db
at 3% ips. DC filaments. Four high "2" microphone
inputs, separate bass and treble boost controls.
Dimensions: 19" w. x 17'/ 2 " h. x7'/ 2 " d. Weight: 49 lbs
Model 714C/A3030 is same as 714C, with A3030 am-
plifier for record and play of quarter-track stereo
to speaker outputs. A3030 amplifier is two 30 watt
power amplifiers on the same chassis: fixed bias;
.4 volt input for 30 watt output. Distortion: less than
0.2% harmonic and 0.3% IM. at 30 watt output.
Maximum hum and noise: 80 db below 30 watt out-
put. Output impedance: 4. 8, 16 ohms. Dimensions:
19" w. x 8%" h. x 7'/ 2 " d. Weight: 28 lbs.
Player only. With hysteresis synchronous drive motor,
and ball bearing reel motors. Accommodates up to
14" reels. Automatic self-reversing system, fast-for-
ward and rewind. Wow is 0.1% at 7'/ 2 ips, and 0.2%
at 3% ips. Signal-to-noise ratio: 50 db at 7'/ 2 ips,
timing within 0.3%. Remote control is available.
Dimensions: 19" w. 14" h. x 7" d. Weight: 51 lbs.
A separate panel unit, which is a mechanical brain
that switches in the 2nd or 3rd player according to
planned programming functions desired. Dimensions:
19" w. x 8%" h. x 5% d.
Records and plays full track. Direct off the tape third
head monitor. A. -3, and Echo switch, (no patching
necessary) Sound on Sound with stereo models.
CROWN "X" Control, (all electric) Full remote opera-
tion available. Photo cell automatic stop in all func-
tions. Three speeds: 15 ips, 7'/ 2 ips, and 3% ips.
(1% ips available) Synchronous capstan motor,
differential magnetic braking, forced air cooling,
straight line threading, handles up to 10'A" reels,
fast forward and rewind. (1200' in 38 sec.) Maximum
wow and flutter: 0.06% at 15 ips, 0.09% at 7V-> ios.
and 0.18% at 3% ips. Timing accuracy: 99.8%.
Signal-to-noise ratio: 57 db at 15 ips. 54 db at 7'/ 2
ips, and 51 db at 3% ips. Two input channels, either
2 low impedance inputs. 2 high impedance inputs, or
2 phono inputs. 500 ohm balanced line outDut and
cathode follower output. Bias read and adjust on
front panel, standard rack mount. Dimensions: 19" h.
x 14" w. x 7>/ 2 d. Weight: 48 lbs.
10
AUDIO RECORD
September, 1960
19
Model and Price
Frequency Response
De JUR AM SCO CORP., 45-01 Northern Blvd., Long Island City 1, New York
Stenorette-T
Dictating and
Transcribing
Machine
$199.50
Stenorette-
Companion
Portable Dictating
Recorder
$199.50
150-5,000
cycles
as above
A dictating-transcribing machine that uses "Mylar"
magnetic tape. Pushbutton controls. Duplicate set of
controls on microphone/speaker for start, stop, auto-
matic review, electronic erase and correction. Func-
tions perfectly in a moving car (with transformer).
Has built-in conference setting for recording groups.
Recording time: up to 45 minutes per reel. Transcrip-
tion accessories: foot pedal control or typewriter
control — features remote control backspacer for
quick review. Dimensions: 11%" x 7Va" x 5V 2 ".
Weight: 14 lbs.
Portable dictating recorder that is compatible with
Stenorette-T described above. Pushbutton operated,
with duplicate set of controls on mike. Uses batter-
ies that can be recharged. Operates three hours on
each charge. Battery condition-indicator shows when
recharge is required. Recording time: up to 45 min-
utes for standard tape. Dimensions: IOV2" h. 6" w.
3Vt" d. Weight: 6 lbs.
DELM0NIC0 INTERNATIONAL, 120-20 Roosevelt Avenue, Corona 68, L I., N. Y.
Daiwa Recorder
DE 11
$99.95
Documentor
Model ST-34
$169.95
50-10,000
cycles at
7% "/sec.
200-5,000
cycles at
3 % "/sec.
200-3,500
cycles at
1%'Vsec.
New dual-speed monaural portable recorder for op-
eration at 100-245 volts at 50 or 60 cycles. Output
power: 2 watts. Recording time: 1 hr. at 7% ips., 2
hrs. at 3 3 A ips. One speaker, 6" x 4". Permanent
magnet. Diameter: 13" x 12" x 6V2". Weight: 22 lbs.
New portable, dual-speed, transistor recorder. Bat-
tery or electrical power. Three-inch speaker. Record-
ing time: up to 1 hr. with 3" reel. One-hand control
for record/stop/playback rewind. Earphone for mon-
itoring. Telephone recording switch. Dimensions:
7" x 4 7 / a " x 2 1 / 2 ". Weight: 3V 2 lbs.
DICTAPHONE CORPORATION, 730 Third Avenue, New York 17, N. Y.
Dictet
Portable
Recorder
$311.64
Dictatape
Continuous
Recorder
$3400.00
200-4,000
cycles at
2y 2 "/sec.
100-4,000
cycles at
2i/ 2 "/sec.
300-2,700
cycles (±3 db)
at l 7 /i"/sec.
Miniature, dual-track, magazine loaded, magnesium
case tape recorder. Powered by two 7-volt mercury
batteries for motor, and separate battery for trans-
istor amplifier. Battery life: 20 hours for motor, 40
for amplifier. Battery life indicators. Magazine has
self-adjusting spindles; automatic stop at end of
reel. Records at 2'/2 ips; 30 minutes recording time
on each side of magazine. Wow and flutter: 2.25%.
Signal-to-noise: 45 db. Magnetic microphone is both
microphone and monitor speaker. Motor operates
only when mike is plugged in. Dimensions: 2" x 4 l / 2 "
x 6 y 4 ". Weight: 2 lbs. 11 oz.
New Dictet Typer reproducing machine designed to
reproduce magnetic tape magazines recorded on the
Dictet recorder described above. Controls: instant
start-stop, unlimited backspacing. Continuous vari-
able volume, tone and speed. Fast forward and fast
rewind. Separate erase head. Safety interlocks. Print-
ed circuit amplifier. Four pole capacitor motor. Com-
plete with power cable, foot or hand control, choice
of hearing devices. Dimensions: 3V2" h. p 11-9/16" w.,
9 5 / 8 " d. Weight: 12 lbs.
This machine is also the key component of the
AIMO message-control playback unit for conveying
instructions to manufacturing workers. For more in-
formation write Dictaphone.
Five-channel recorder that permits simultaneous re-
cording of four communication and one time-signal
channel on a standard l A" magnetic tape. Up to 16
hours continuous unattended recording. Speed 1 7 /s
ips. Instant start and stop. Six motors. Separate re-
produce heads and amplifier provide playback on
either unit while recording. Automatic safeguards
prevent accidental erase. Harmonic distortion: 5%
or less at 1,000 cps. Flutter: 1%. Fast forward and
rewind.
THOMAS A. EDISON INDUSTRIES, McGRAW-EDISON CO., 51 Lakeside Ave., West Orange, N. J.
Edison Envoy
Dictating/Transcribing
Machine
$219.50
200-4,500
cycles at
15/16"/sec.
Dictating/transcribing machine with maximum re-
cording time of 90 minutes per reel. (Two-hour tapes
are optional.) Recording is erasable. Completely
transistorized. All controls on mike. Separate record/
playback buttons. Indexing system End-of-tape
warning buzzer. Capstan drive. Accessories available.
Dimensions: 7" x 10" x 3%". Weight: 8% lbs.
Model and Price
Frequency Response
Data
THE PENTR0N SALES CO., INC., 777 South Tripp Avenue, Chicago 24,
LP Magazine R
Repeater
Model A-l $99.95
Model A-2 $87.95
Model A -4 $119.95
Model SD-5
Stereo Tape Deck
$199.95
Tempo
Model GR-15
Mono Recorder
$119.95
Tempo
Model GR-15S
Stereo Recorder
$149.95
\4
Model TR-20
Aristocrat II
Monophonic
Record/Playback
Stereo Playback
$269.95
Triumph
Model XP-60
Mono Recorder
$219.95
Model XP-60S
Stereo Recorder
$249.95
ASTRA
Model AR-62
Monophonic Recorder
$189.95
Model AR-62S
Stereophonic
Recorder
$219.95
40-7,000
cycles at
33/i"/sec.
30-20,000
cycles at
7y 2 "/sec.
30-15,000
cycles at
33/ 4 "/sec.
40-11,000
cycles (±3 db)
at 7V 2 "/sec.
40-7,000
cycles (=t3 db)
at 3%"/sec.
40-15,000
cycles (±3 db)
at 7y 2 "/sec.
40-12,500
cycles (±3 db)
at 3 3 A"/sec.
as above
as above
Series of magazine repeaters playing a regular loop
for 28 minutes, Moebius loop for 55 minutes. Stop-
ping by voice operated relay, activated by silence on
tape between messages. When applicable, signal-to-
noise ratio is 45 db, flutter is 0.5%. A-l is com-
plete with amplifier, speaker, triggering circuit, case,
handle. A-2 is same without triggering circuit. A-4 is
recorder/playback, speaker, recorder indicator, nrf-
crophone, case, handle, magazine.
New dual-speed stereo tape deck that, when com-
bined with proper preamps and amps, provides
quarter-track stereo and monophonic record/play/
erase and half-track stereo and monophonic play.
Push-button controls. Digital index counter. Self-
locking reel spindles. Removable head cover. Signal-
to-noise ratio: 55 db at 7V 2 ips. Harmonic distortion:
less than 1.0%. Wow and flutter: less than 0.3% at
7V 2 ips. Receptacles: two phono jacks for erase; two
phono jacks for record/play. Dimensions: 11 3 A" w.,
14" I., 6V*" h. Weight: 12V 2 lbs.
New portable recorder with two speeds: 7 l / 2 and 3 3 A
ips. Available in monophonic or four-track stereo
version. Single lever control for play, record, fast
forward, fast rewind. Motor: 4-pole, shaded pole
heavy duty. Separate interlock. Neon type record
level indicator. Speaker: 6" round PM extended range.
Fast rewind: 7" reel in 90 seconds. Signal-to-noise
ratio: 45 db. Flutter: under 0.4% at 7 l / 2 ips. Inputs:
one for mike; one for radio, TV, phono. Outputs: one
for external amplifier or monitor; one for external
speaker. Dimensions: 11" h., 14" w., 17" d. Weight:
25 lbs. Companion amplifier/speaker: $59.95.
New dual-speed recorder system for stereo playback,
monaural record/playback. Speeds: 7V 2 and 3 3 A ips.
Single rotary control for play, record, fast forward,
fast rewind. Interlock record button. Two volume con-
trols, two tone controls. Illuminated VU meter for
record level. Two detachable speaker cabinets, each
containing two speakers. Signal-to-noise ratio: 52 db.
Flutter: under 0.3% at 7V 2 ips. Inputs: one for mike
or phono; one for radio, TV, phono. Outputs: two for
external amplifiers or head phone monitoring; two for
external speakers. Dimensions: 11%" h., 22 1 / 2 " w-.
15 3 / 4 " d. Weight: 42 lbs.
New dual-speed, push-button-operated portable re-
corder available in both monophonic and stereo ver-
sions. Speeds: 7 l / 2 and 3 3 A ips. Motor: 4-pole, shaded
pole heavy duty. Automatic interlock prevents acci-
dental erase. Electron beam record level indicator.
Digital type index counter. Speakers: one 4x6 oval
(with built-in whizzer cone) and one 4x6 round.
Signal-to-noise ratio: 52 db. Flutter: under 0.3% at
7*/2 ips. Inputs: one for mike, one for radio, TV,
phono. Outputs: one for speaker, one for amplifier.
Dimensions: 6V 2 " h., 12%" w., 13" d. Weight: 18 lbs.
Companion amplifier/speaker: $59.95.
New dual-speed, push-button operated portable re-
corder available in both monophonic and stereo-
phonic versions. Speeds: 7 l / 2 and 3 3 A ips. Automatic
interlock prevents accidental erase. Motor: 4-pole,
shaded pole heavy duty. Electron beam record level
indicator. Digital type index counter. Speakers: one
4x6 (with built-in whizzer cone) and one 4x4.
Signal-to-noise ratio: 55 db. Flutter: under 0.3% at
7 l / 2 ips. Inputs: one for mike; one for radio, TV,
phono. Outputs: one for speaker, one for amplifier.
Automatic shut-off switch functions in all operating
positions. Pause Control. Dimensions: 7 Va" h., x
12V4" w., x 13 3 / 4 " d. Weight: 19 lbs. Companion
amplifier/speaker: $59.95.
PHILC0 CORPORATION, Philadelphia 34, Pennsylvania
Model ST 300
Stereo Recorder
$249.95
40-15,000
cycles at
7y 2 "/sec.
Dual track, dual speed recorder for monaural record/
playback and stereo playback. Speeds: 7'/2 and 3%
ips. Push-button controls. Safety switch prevents
accidental erase. Pause control. Automatic snutoff.
Index timer. Two internal speakers. Tuning eye re-
cording indicator. Wow and flutter less than 0.5%.
Inputs: one for microphone, one for radio/phono.
Outputs: one for external speaker, one for stereo
speaker. Dimensions: 9V2" x 15" x 14". Weight: 39 lbs.
PHONO-TRIX, imported by MATHEW STUART AND CO., INC., 156 Fifth Avenue, New York 10, N. Y.
Phono-Trix
MARK II
RECORDER
$79.95
200-6,000
cycles at
3y 4 "/sec.
All-transistor, battery-operated dual-track portable
tape recorder. Operates for 50 hours on four standard
flashlight batteries. Choice of 1% or 3% ips models.
Uses standard 3" reels. Gives up to 90 minutes of
recording time. Direct drive mechanism with con-
stant speed capstan. Push button operation. Power
rewind. Volume controls for both microphone and
speaker. Shatter-proof plastic case. Accessories avail-
able. Dimensions: 9" x 5" x 4'A". Weight: 4 pounds.
18
AUDIO RECORD
September, 1960
11
Model and Price
Frequency Response
Data
MOHAWK BUSINESS MACHINES CORP., 944 Halsey Street, Brooklyn 33, N. Y.
Mohawk "Midgetape"
Professional 500
Pocket Tape
Recorder
$359.50
Mohawk
Message Repeater
Record-Playback
Unit $159.50
Message Repeater Junior
$99.50
50-10,000
cycles at
3*/ 4 '7sec.
200-5,500
cycles (dtlVi «*b)
at 3%"/sec.
Pocket tape recorder with VU meter for distortion
control. No electricity required. Battery life 12 to 50
hours. 6 transistors. Optional 1 battery operated, all
transistor, palm size amplifier speaker. 45 minute
cartridge-loaded tape. Three controls: On-Off, Play-
Record and Volume. Wow and flutter: 0.3%. Signal-
to-noise ratio, 48 db. Input 2,000 ohms or less — .2mv
to 3mv. Outputs: two — one lOmw at 2,000 ohms; two
Zero VU at 600 ohms. Sockets: three — 1 input, 2
output sockets. Distortion: maximum recording level:
2%. Tape type: l A" Mylar base, erase AC-20kc. Sup-
plied with battery. Accessories availble. Size: 8 l / 2 " x
3 7 / 8 " x l 7 / 8 ". Weight: 3 lbs.
Midget recorder/playback unit with continuous-loop
tape cartridges of from 15 to 240 seconds capacity.
Repeats message continuously or intermittently by
external switch control. No rewinding necessary.
Neon bulb recording level indicator. Built-in 5"
speaker. Output, 1.2 watts. Plug-in sockets for micro-
phone, external start, external amplifier or speaker.
Overall size, 6V 2 " x 5%" x 5V 2 ". Weight: 5 3 / 4 lbs.
Numerous accessories available.
M0VIC COMPANY, INC., 12432 Santa Monica Blvd., Los Angeles 25, Calif.
Movicorder A-2-15
Stereo Portable
$710.00
Movicorder A-2
Stereo Portable
$645.00
Add $50 to above prices
for 4-track stereo
playback models.
30-25,000
cycles (±2 db)
at 15"/sec.
45-14,000
cycles (±2 db)
at 7y 2 "/sec.
Model A-2-15 is new dual speed (15 and 7'/ 2 ips)
portable stereo recorder with hysteresis synchronous
motor and two induction type reel motors. Records,
plays and erases stereo. Records sound on sound.
Two VU meters. Knob controls. Wow and flutter: less
than 0.08% at 15 ips, 0.1% at 7'/ 2 ips. Signal-to-
noise ratio: 55 db at 15 ips, 50 db at 7V 2 ips. Outputs:
two cathode follower: two external speaker. Inputs:
two radio, phono, TV; two mike. Dimensions: 18" h.,
16" w., 6'/ 2 " d. Weight: 45 lbs.
Model A-2 is same as Model A-2-15 except that its
speeds are 7 l /z and 3% ips.
NEWCOMB AUDIO PRODUCTS CO., 6824 Lexington Avenue, Hollywood 38, California
Model SM-310
Stereo Recorder
$499.50
Available in either
half- or quarter-track
models.
30-15,000
cycles (±2 db)
at 7 1 /4"/sec.
40-10,000
cycles (±3 db)
at 3%"/sec.
New two-channel stereo and monaural recorder that
has two speeds: 7'/2 and 3% ips. Records and plays
back stereo and monaural. Joy stick transport con-
trol. Synchronous motor. Knob controls. Record in-
terlock prevents accidental erase. Oversize brakes.
Automatic shutoff switch. Four-digit counter. Vacuum
tube voltmeters for record level. Flutter: less than
0.2% at 7>/ 2 ips, less than 0.25% at 3 3 / 4 ips. Signal-
to-noise ratio: 50 db at 7'/ 2 ips. 45 db at 3% ips.
Inputs: two high level, two mike. Outputs: one for
each channel, one monitor. Dimensions: 12%" h.,
16%" w., 9'/z" d. Weight: 34 lbs. Quarter-track model
records and plays back quarter-track stereo, and
plays back half-track stereo.
NORTH AMERICAN PHILIPS CO., INC., 230 Duffy Ave., Hicksville, N. Y.
Continental "400"
Model EL 3536/54
Four-Track
Stereo Recorder
$399.50
"Continental 300"
Model EL3542
Four-track stereo
recorder
$269.50
Norelco "75"
Model EL 3581/50
Dictating/
Transcribing
Machine
$189.50
50-18,000
cycles at
7y 2 "/sec.
50-14,000
cycles at
3 3/, "/sec.
60-7,000
cycles at
l 7 /8'7sec.
60-16,000
cycles (±3 db)
at 7y 2 "/sec.
60-13,000
cycles (±3 db)
at 3%"/sec.
60-6,500
cycles (±3 db)
at 17s"/sec.
300-3,000
cycles at
2»/ 2 "/sec.
New three-speed recorder for four-track stereo and
four-track monaural record and playback. Speeds:
7 ] /2, 3% and 1% ips. Records sound on sound. Piano
key controls. Magic eye modulation indicator. Four-
digit program indicator. Signal-to-noise ratio: better
than 48 db. Wow and flutter: less than 0.3% at all
three speeds. Inputs: one stereo mike; one stereo
phono, radio; mixing of these two. Outputs: two
speaker, two amplifier, one headphone. Dimensions:
18'/ 2 " h., 15'/ 2 " w., 11 >/ 2 " d. Weight: 43 lbs.
New four-track stereo recorder: mono record and
playback; stereo playback (head output only). Three
speeds: 7'/ 2 , 3% and 1% ips. Hum level: better than
40 db. Wow and flutter: better than 3% peak to peak.
Push-button controls. Automatic stop at ends of tape
(with metalized tape). Interlocking pause button.
Sound on sound recording. Full mixing facilities.
Headphone monitoring. Program indicator (4-digit).
Magic eye modulation indicator. Foot switch attach-
ment. Inputs: one mike, one radio/phono. Outputs:
one external speaker, one external amplifier, one
headphone, two stereo. Dimensions: 15%" x 13" x
6%". Weight: 30 lbs.
New dual track portable recorder for dictating and
transcribing. Speed: 2Vz ips. Forty minutes total re-
cording time. Two heads: erase and record/playback.
Controls for: record, playback, rapid review, fast
wind, fast rewind, stop, start, volume. Moving coil
mike doubles as loudspeaker. Two-digital counter.
"End-of-tape" buzzer. Telephone jack. Telephone/
mike switch. Quick erasure coupled to fast rewind.
Model and Price
Frequency Response
Data
EDUCATIONAL LABORATORIES, INC., 1048 Potomac St., N.W., Washington 7, D. C.
Educorder
Dual
Model M-6A
$335.00
70-7,500
cycles at
7y 2 "/sec.
70-5,000
cycles at
33/ 4 "/sec.
Portable, two speed, two channel recorder with
single knob-control tape mechanism. Two separate
record/reproduce amplifiers and two separate re-
cord-play-erase heads. Records or plays back both
channels simultaneously or records on one while
playing back the other. Monitoring by headphones
while recording. Stgnal-to-noise ratio: 40 db. Wow
and flutter: 0.3% at 7 1 / 2 "/sec. Fast forward and re-
wind, 70 sec. for 1200 ft. Nominal 75 watt peak
power from each channel. Two input connections.
Three output connections: Channel 1, Channel 2 and
Dual for binaural headphones. Includes headphones
and microphone. Weight, 30 lbs.
ELECTRONIC APPLICATIONS, 194 Richmond Hill Avenue, Stamford, Conn.
Steliavox SM4A
Portable
Recorder
$469.00,
less
microphone
Studer 30
Portable
Recorder
$1,530.00
in case
Nagra III B & E
Portable
Recorder
$1,045.00
depending on
model
JCj
Revox D-36S
Stereo
Portable
$449.00
Record:
30-14,000
cycles (±2 db)
at 7y 2 "/sec.
Playback:
60-14,000
cycles (±2 db)
at 7V 2 "/sec.
30-15,000
cycles (+ 1, — 2db)
at 15"/sec.
30-15,000
cycles (±1.5 db)
at 15"/sec.
40-12,000
cycles (±1.5 db)
at 7 1 / 2 "/ / sec.
40-12,000 cycles
(±2 db)
15,000 cycles
(—3 db)
at7 1 / 2 "/sec.
50-8,000 cycles
at 3%"/sec.
Transistorized professional miniature recorder.
Speed: 7V 2 ips. Speed accuracy plus or minus 0.5%.
Wow and flutter: 0.4% PP. High frequency erase
head in ferrite and combined record/playback head
for half-track or full-track. Equalized either CCIR
or NAB. Operates from rechargeable miniature dry
cells. Operates three hours per charge. Recording
time 20 min. per reel (2/10 min.). Built-in monitor
speaker. Reel compatibility with all pro machines.
Dimensions: 2 3 / 8 " x4 7 / 8 " x 10%".
Professional, dual speed recorder that operates at 15
and 7V2 ips. Direct hysteresis synchro motor drive.
Timing accuracy: 0.2% or better. Unique constant
tape tension electronic servo system insures motor
torque compensation for tape reel and effective hub
size differences. Push button controls all functions.
Remote all functions including "cue" position. Sig-
nal to noise: 56 db. Wow and flutter: 0.1%/0.15%
PP. Tape time counter available. Independent play-
back/record amplifiers and all circuits use dual
triode E 80 CC tube. Input 0.5 to 4 volts balanced
bridge. Output 0.7 to 4 volts balanced 200 ohms.
Size 20" h., 13 1 /*" w., 12 3 / 4 " d. Weight: 66 lbs.
Portable, professional, completely transistorized unit
available as Model B with three speeds (3 3 / 4 , 7V 2 ,
and 15 ips) and as model E at 7V 2 ips. Types B and
E contain three heads. Speed constancy: 0.1%. Wow
and flutter: 0.15% at 15 ips PP. or 0.2% PP at 7>/ 2
ips. Signal-to-noise ratio: 55 db or better. Meter for
battery condition and level. Output: —6 at 600 ohms
balanced. Self-contained monitor speaker. AGC auto-
matic gain-control for speech recording. All norma!
mike inputs plus 2 line mixers. Motor speed servo
controlled. Operates from any 12 volt source or self-
contained flashlight batteries. Accessories available.
Fast forward and rewind.
Semi-pro portable stereo, mono unit. Two speeds:
3 3 A and 7V 2 ips. Three motors; separate recording
and playback amplifiers; wow and flutter at 7 l / 2 ips:
0.20% RMS. Signal-to-noise ratio: 50 db; two cath-
ode follower outputs; 6 watt internal push-pull moni-
tor channel; 8" coax speaker; push-button solenoid
operation; magic eye recording level: tape counter;
end of tape switch-off; remote control of selected
modes; up to 10" reels. Dimensions: 18" h., 11" w. (
13V 2 " d. Weight: 43 lbs.
Accessory: compatible 6 watt push-pull amplifier/
speaker in portable case for full stereo monitoring.
ELECTRONIC TEACHING LABORATORIES, INC., 5034 Wisconsin Ave., N.W., Washington 6, D. C.
MONITOR
2-Channel
Portable
Model E-3
$297.08
Model E-3C
Console
$280.07
Model E-3CS Console $273.05
MONITORET
2-Channel
Recorder
Model E-4
$247.00
50-6,500 cycles
(±3 db)
at 3%"/sec.
as above
Professional language laboratory recorder, dual
track unique "split" amplifier performs simultane-
ous playback and recording function on separate
tracks, distinctive in aural oral laboratory work.
Selector switch modes for listen/record, dual play-
back, master record, master play, duplicate. Volume
level meter. Separate record-play heads with azi-
muth adjustment. Bias: 60KC. Signal-to-noise ratio:
45 dD or over at 3% harmonic distortion. Model
E-3C for console mounting, all components mounted
on %" aluminum panel, size 19 x 11 x 5%, weight
15 lbs. Special feature: multiple installations have
remote control tape duplication facility. Model E-3CS
is same as Model E-3C except for omission of master
record and master play selector switch modes.
Language laboratory recorder, dual parallel tracks
— a "stripped-down" version of Monitor E-3 with
same characteristics except only two selector switch
modes for listen/record and dual playback. Model
E-4C for console mounting.
12
AUDIO RECORD
September, 1960
17
Model and Price
Frequency Response
Data
E.M.I., Sole U. S. Agents: ERCONA CORPORATION, 16 W. 46th St., New York 36, N. Y.
E.M.I.
Battery Portable
$395.00
Model L2A
(3% ips)
Model L2B
(7% ips)
Model L2C
(15 ips)
50-7,000
cycles (±2 db)
at 15"/sec.
50-5,000
cycles (=2 db)
at 7y2"/sec.
50-2,500
cycles (=2 db)
at 3 3 / 4 '7sec.
Battery-operated recorder manufactured by Electri-
cal & Musical Industries, Ltd. of England. Accom-
modates 5" reels and requires no external power
source. Signal-to-noise, better than 45 db un-
weighted, when replayed on high quality studio
equipment. Wow, less than 0.2% at 15"/sec, 0.25%
at 7 1 /2"/sec. and 0.3% at 3^'^sec. Separate record-
ing and playback heads and amplifiers for monitor-
ing and instantaneous playback. VU meter for re-
cording level. Manually operated geared rewind de-
vice to conserve battery life. Operates with cover
closed. Weight, 14 J /2 lbs. complete.
ERCONA CORPORATION, 16 W. 46 St., New York 36, N. Y.
STUZZI
Magnette
Portable
Recorder
$269.50
Carrying
Case $17.50
Professional STUZZi
Portable Recorder
$369.50
50-9,000
cycles at
33/ 4 "/sec.
60-4,000
cycles at
l%*7sec.
30-14,000
cycles at
7% "/sec.
Transistorized portable that operates up to 100 hours
on 4 flashlight batteries. Dual speed (1%" and 3%").
dual track. Two motors: capstan motor electronically
controlled. Magic-eye record level indicator. Battery
condition indicators. Push-button controls: stop, re-
cord, replay, fast forward, fast reverse, and pause.
Record safety button prevents accidental erasure.
Three-digit counter. Wow and flutter approximates
professional standards. Inputs: microphone, radio,
pickup or telephone adaptor. Output: built-in
speaker, outside amplifier, earphone connections.
Size: 11" h., 4 l /z" w., 8" d. Weight: 8 lbs.
Professional model with all operation features of
above except for: single speed (7V-> ips), heavy-duty
aluminum construction, wow and flutter: 0.25%.
FERROGRAPH RECORDER CO., LTD., Sole Agents: ERCONA CORPORATION, 16 W. 46th St., New York 36, N. Y.
Custom Installation
Model 66/N
(33/ 4 -7>/ 2 ips)
$399.50
Model 66/H
(7i/ 2 -15 ips)
$445.00
Portable (illustrated)
Model 4A/N (3%-7V 2 ips) $399.50
Model 4A/NH (7'/ 2 -15 ips) $445.00
Stereo
Model 4S/N
(33/4-7% ips)
$495.00
Stereo
Model 4S/H
(7i/ 2 -15 ips)
$520.00
Model 808/2
Dual-track Stereo
and Monaural
Record /Playback
$595.00
Model 808/4
Quarter-track Stereo
and Monaural
Record/Playback
$595.00
40-15,000
cycles (i2 db)
at 15"/sec.
50-10,000
cycles (±2 db)
at 7 1 /;, "/sec.
as above
40-15,000
cycles (±2 db)
at 15"/sec.
50-10,000
cycles (±2 db)
at 7 VS. "/sec.
Dual-speed, dual-track recorders for portable or cus-
tom-installation, manufactured by British Ferrograph
Recorder Co.. Ltd. of London. Accommodates up to
8Vi" reels. Signal-to-noise ratio, better than 50 db,
200-12,000 cps; 45 db unweighted (including hum).
Wow and flutter less than 0.2% at 7V2"/sec. Long-
term speed stability, better than 0.5%. Erase and
bias frequency, 53,000 cps. Inputs: Two: 1 megohm
and 0.1 megohm respectively. Outputs: two; 0.75
volts at 0.1 megohm for external amplifier: 15 ohms
at 2Vz watts (undistorted). 3 motors including hys-
teresis synchronous drive. "Ferrodexer" counter,
clock type with zero setting. Master control switch
for permanent inputs and outputs. Weight: 45 lbs.
Model 4S — data on this model identical with 3A
Series above except for addition of stereo playback.
Signals from stacked stereo head may be fed into
external dual amplifiers via an equalization chain for
each section or to a "Stere-ad" unit which provides
all power output for stereo replay requiring only a
suitable speaker system. Weights: Model 4S: 49%lbs.
"Stere-ad" unit: 12>/ 2 lbs.
Price of "Stere-ad" Unit: $195.00
Portable recorders for stereo recording and playback
manufactured by British Ferrograph Recorder Co..
Ltd. of London. Signal-to-noise ratio, better than 50
db, 200-12,000 cps; 45 db unweighted (including
hum). Wow and flutter, less than 0.2% at 7V4"/sec.
Speed stability: better than 0.5%. Erase and bias
frequency, 53,000 cps. Takes up to 8Vi" reels.
Twin recording amplifiers and twin replay preamps
terminating at 3 milliwatts across 600 ohms (bal-
anced). Switched VU level meter provides proper re-
cording levels for each track which is served by
dual inputs (1 megohm and 0.1 megohm 0.003 V
peak and 0.1 V peak respectively). Includes "Ferro-
dexer" counter, clock type with zero setting. Weight:
48 lbs.
FILN0R PRODUCTS, INC., 156 Fifth Ave., New York 10, N. Y.
Teltape
Monaural
Recorder
$29.95
to 4,000
cycles
Transistorized portable recorder with variable speed
control. Operates on four "tvpe C" flashlight batter-
ies. Plays for 16 minutes with 3" reel containing 300
feet of l A" tape. Erase head can be swung out
of the way so that erase is optional. Instant braking,
fast rewind, automatic slack take-up. Plays back
through headset furnished with recorder. Weight:
2 lbs.
GBC AMERICA CORP., 89 Franklin Street, New York 13, New York
PT 12 "Companion"
Monaural Portable
$99.50
PT 15 "Escort"
Monaural Portable
$129.50
75-7,500
cycles at
3 3/ 4 "/sec.
New dual speed, dual track portable recorder made
in Italy. Speeds: 3% and 1% ips. Magic eye volume
level indicator. Clock-type tape counter. Picture push-
button controls. Undistorted power output: 2.5 watts.
Up to three hours recording time per reel. Dimen-
sions: 43/4" x 8" x 9'/2". Weight: 10 lbs.
Model PT 15 is same as above with addition of full
range tone control and luggage type hard wood case.
Model and Price
Frequency Response
Data
^T' » *^iiW^ / Synchrotone
J^K' >W 1 Dual-Language
SffP^^SST m^Sp''y Recorder
M^' ~""'-— -- 5^7/ Model 68-DL
M^^ f C ~~M $295.00
to 10,000
cycles at
7%"/sec.
Dual recorder-reproducer permitting simultaneous re-
cording on two channels, or simultaneous playback of
"master" channel and simultaneous recording on
"student" channel; or simultaneous playback of
"master" as well as "student" channel. Speeds: 3%
and 7V 2 ips. Two record-play safety lights. Concealed
selector switch for recording on "master" channel
(makes student erasure of "master" impossible).
Inputs: external line and microphone. Two outputs for
headphones. Single volume control for both channels.
Shut-off switch for external line. Single knob control;
beltless drive. Automatic safety switch prevents acci-
dental erasure during rewind; automatic shut-off
switch; footage index counter.
Synchro-Magneticon Dual Tape-Disc
Recorder-Reproducer Model ML-66, $295.00
to 10,000 (tape)
to 6,000 (disc)
Dual magnetic tape-disc recorder-reproducer using
standard %" tape as a master, and pregrooved mag-
netic disc, 9" diameter, as student's record-play me-
dium; built-in electronic mixer analyzer permitting
student to listen to "master" off magnetic tape as he
speaks into his microphone, recording himself onto
the magnetic disc. Tape speeds: 7V Z and 3 3 /i ips.
ROBERT C. MERCHANT, P. 0. Box 594, West Lafayette, Indiana
SH Language
Laboratory Recorders
Prices on request
Series 300
Language
Laboratory
Recorders
Prices on request
MC-16TA Language
Lab System
for 16 students
$10,500
(Other prices on request)
Entire system bal-
anced for language
teaching and
speech correction
requirements.
same as above
same as above
New tape mechanism designed for language labs.
Has automatic "electronic brain" that continuously
monitors and dynamically controls tape motion. Will
go from any mode of operation to any other mode
automatically. Local or remote operation with elec-
trical push-button or manual controllers with or
without mode indicator lights. "Magic Memory" re-
calls commands during tape cycling. High torque
motors. NARTB equalized to beyond 20 kc. For desk
or standard rack mounting. Model SH-L— single chan-
nel, vacuum tube electronics. Model SH-D— dual chan-
nel, vacuum tube electronics. SH-DLT— all transistor
dual channel electronics. SH-DLTA— all transistor
dual channel electronics with automatic recording
level control.
Model SH-16-PT Portable playback unit with transistor
electronics for 16 track tapes as used on MC series
of automatic remote student recording equipment.
Useful for student evaluation, etc., outside of the
language laboratory proper.
Model SH-TD1 Unit for high speed tape duplication.
Head configuration and number of slaves available
as required.
All Merchant recorders are designed to exceed Pur-
chase Guide specifications and are available for pur-
chase under Title III.
A series of three-motor-drive recorders with piano
key controls. Electronics designed for language lab-
oratory use with correct input and output levels and
impedances. Earphone volume adjustable by the
student from 65 to 85 db level. NARTB equalized to
beyond 15 kc. For desk mounting or use in portable
case. Model 300L — single channel recorder for
master-slave, classroom type language laboratory.
Model 300D — dual channel recorder, for individual,
library type use. 300DLTA — dual channel, all trans-
istor recorder. 300DLTA — all transistor dual channel
recorder with automatic electronic recording level
control.
New series of multi-track automatic remote student
listen-record-playback equipment. Can accommodate
all students recording and playing back separately
and simultaneously in language lab. No equipment
at student location. Automatic electronic recording
level control on each student track (no manual con-
trols). Transistor, plug-in amplifiers with sealed cir-
cuits. Fully remote control operation, record-play-
rewind, with automatic stop and auto cut-off. Negli-
gible crosstalk.
MINIF0N, from: GEISS-AMERICA, 6424 North Western Avenue, Chicago 45,
Minifon "Attache"
Monaural Portable
$249.50
150-6,000
cycles at
l%"/sec.
New magazine-loaded monaural portable for battery
and electrical power. Single speed: 1% ips. Roller
counter index. Battery meter. Automatic tape-end
stop. Records for 30 min. Fast forward and rewind:
30 to 1. Three-digital roller counter index. Dimen-
sions: 4" x 6 3 /i" x IV2". Weight: 2 lbs., 4 oz.
MOHAWK BUSINESS MACHINES CORP., 944 Halsey Street, Brooklyn 33, N. Y.
Mohawk
"Midgetape" 300
Pocket Tape
Recorder
$249.50
150-5,500
cycles at
IV/sec.
Portable recorder. Instantly records and plays right
back. No electricity required. Battery life 12 to 50 hrs.
4 transistors. 1 or 1% hr. cartridge-loaded tape. 3
controls: On-Off, Play-Record and Volume. Wow and
flutter, less than 0.7%. Signal-to-noise ratio, 42 db.
Input, 2,000 ohms-one mv min. Output, 10 milliwatts
at 2,000 ohms. Tape used: %" "Mylar" base, twin
track. Supplied with battery. Optional internal tran-
sistorized loudspeaker. Accessories available. Size:
8V6" x 3 7 / 8 " x l 7 / 8 "- Weight: 3 lbs.
16
AUDIO RECORD
September, I960
13
Model and Price
Frequency Response
MAGNECORD, manufactured by MIDWESTERN INSTRUMENTS, P. 0. Box 7186, Tulsa 18, Okla.
Mode! N35-B
Four Pole Motor
$299.95
Model NS35-B
Hysteresis
Synchronous
Motor
$349.95
Magnecord PT6-6A
Monaural Recorder
Without Case
Recorder $420
Amplifier $265
Add $30 for case
Magnecord PT6BA2HZ Stereo Recorder
Without Case
Recorder $465 Amplifier $495
Add $45 for case
Magnecord
P75
Tape Transport
with case $575
without case $535
Amplifier
with case $305
without case $265
Magnecord Stereophonic P75
Tape Transport Tape Transport with
with case $695 Matched Amplifiers
without case $655 without case $1,185
S/ii •■^ " -
Magnecord
P73
Tape Transport
with case $575
without case $535
Amplifier
with case $390
without case $345
Magnecord
817DL
Long Term
Record Unit
$1814
Extended range
to 12,000 cycles
50-15,000
cycles (±2 db)
at 15"/sec.
50-7,500
cycles (±2 db)
at 7 1 / 2 "/sec.
40-15,000
cycles (±2 db)
at 15"/sec.
40-12,000
cycles (±2 db)
at 7y 2 "I sec.
50-15,000
cycles (+2 db)
at 15"/sec.
50-10,000
cycles (n=2 db)
at 7 Vz "/sec.
50-10,000
cycles at
7y 2 "/sec.
50-5,000
cycles at
3y 4 "/sec.
Recorder and 8- watt power amplifier in composite
carrying case. Tape speeds: 7V 2 and 3% ips by cap-
stan change. Phone jack on front panel for monitor-
ing. High impedance microphone furnished. High
and low impedance outputs for feeding external sys-
tem. Printed circuit record amplifier. Interlock pre-
vents accidental tape erasure. 6" x 9" speaker. Illum-
inated VU meter. Panel size 8V2" x 15". Weight: 40
lbs. Half-track heads standard.
Portable, two-speed, single-track recorder with speed-
change switch and hysteresis synchronous drive
motor. Signal-to-noise, 50 db unweighted. Flutter:
0.3% at 15"/sec, 0.4% at 7 1 / 2 '7sec. Rewind time,
40 sec. for 1200 ft. with automatic tape lift. Erase
and record/playback heads. VU meter for bias, record
and playback level. Monitoring by 5" speaker and
phone jack from tape or input. 10 watt power am-
plifier. Microphone and unbalanced bridging inputs.
4 and 16 ohm power outputs, 600 ohm line output.
Binaural recording version of above. Same specifica-
tions except for three speeds (15, 7V 2 . 3% ips) with
capstan change, 48 db signal-to-noise ratio, and inter-
channef calibration circuit.
Rack-mounted or portable full-track recorder with
IOV2" reel capacity. Direct drive hysteresis syn-
chronous motor. Push-button controls, instantaneous
start and stop, fail-safe brakes and tape break con-
trol. Signal-to-noise, 55 db unweighted. Flutter: 0.2%
at 15"/sec, 0.25% at 7V 2 "/sec. Rewind time, 100
sec. for 2400 ft. Timing accuracy, ±3 sec. in 30 min.
Separate erase, record and playback heads. VU meter
for bias, record and playback level. Adjustable bias
and high-speed cueing control. Microphone and un-
balanced bridging inputs. Phone jack for monitoring
from tape or input. 600 ohm unbalanced line output.
For recorders with 50-cycle operation, add $75.
Tape transport mechanism similar to above, but de-
signed for use with P73-J amplifier instead of P75-C,
permitting conversion of existing equipment to new,
improved performance standards. Signal-to-noise, 50
db unweighted. Microphone input, 50 to 250 ohms
balanced or unbalanced. Unbalanced bridge input.
Monitoring by 5" speaker and phone jack from tape
or input. Amplifier, 600 ohm balanced line output,
4 or 16 ohm, 10 watt speaker output. For recorders
with 50-cycle operation, add $75.
A long term storage recorder that is completely
automatic in operation. This single channel two-
speed, record/playback machine is designed to oper-
ate continuously for at least 8 hours (14" reels— 4800
feet of tape). To avoid any loss of recording informa-
tion, the erase head has been eliminated. Will record
and playback one track in the left-to-rtght direction,
automatically reverse, record and replay the second
track in the other direction. It will start and stop on
voice signals.
MAGNETIC RECORDING INDUSTRIES, 126 Fifth Avenue, New York 11, N. Y.
Model 80 Magazine
Dual-Language
Recorder
$325.00
Model 10 MRI
Tape Duplicator
$4,950.00
75-9,000
cycles at
33/ 4 "/ S ec.
50-10.000 cycles
for a 7V 2 "/sec.
master
New magazine-type monaural recorder for language
laboratory teaching. Single speed: 3% ips. Controls:
rotary reverse, stop-play-fast forward: pause. Master
program switch cuts off program from master con-
sole. Safety interlock. Concealed record switch for
master channel. Size: 8'/4" x 10'/ 8 ". Weight: 9 lbs.
New tape duplicator employing the common mandrel
principle. Operates at 30 ips, producing 150 7 l / 2 ips.
1200" reels in 8 hours. Runs three duplicates at a
time. Solid-state rectifiers, transistorized preamplifi-
cation. Signal-to-noise ratio: within 2 db of theoretical
limit of magnetic tape recorder. Wow and flutter: less
than 0.5%. Dimensions: 15" d., 36" w., 18" h.
Model and Price
"Transivoice"
Monaural Portable
$159.95
GBC "Stenomaster"
Dictating/
Transcribing
Recorder
$159.50
Frequency Response
For voice
recording
75-7,500
cycles at
3y 4 "/sec.
Data
New single-speed, dual-track monaural recorder
made in Italy. Speed: 3 3 / 4 ips. Push-button controls.
Operates on four A l / 2 v. batteries. Takes 3V 2 " reel.
One output. One input. Speaker: 2%". Dimensions:
3V 2 " d.. 8Ve" w., 5%" h. Weight: 4 lbs.
Dual track, dual speed Italian portable recorder.
Speeds: 3 3 / 4 and l 7 / B . "Picture" push buttons for
fast rewind, playback, stop, record, fast forward.
Magic eye volume indicator. Built-in loudspeaker.
Undistorted power output: 2V 2 watts. Two hours
maximum recording time. Size in case: 5>/ 2 " x 10" x
11". Weight: 10 lbs.
GENERAL MAGNETICS & ELECTRONICS, INC., 134-09 36th Rd., Flushing 54, N. Y.
Gemark 101
Monaural Portable
Recorder
$79.95
100-10,000
cycles at
7'/ 2 "/sec.
New dual-track, two-speed monaural portable re-
corder. Speeds: 7>/ 2 and 3 3 / 4 ips. Single-knob record/
play control. Safety interlock. Beltless friction pulley
drive. Full transformer power supply, 5-watt power
output. One speaker: 8" x 4". One input for mike,
phono, radio, TV. Wooden case. Dimensions: 6'/ 2 " h.,
12" w., 10V 2 " d. Weight: 15 lbs.
MAGNECORD, manufactured by MIDWESTERN INSTRUMENTS, P. 0. Box 7186, Tulsa 18, Okla.
Model 100 Series
Stereo Recorders
WITH PORTABLE
CASE
Mechanical Unit and
Pre-amp only
$479.95
Speaker/ Amplifier
only $129.95
WITHOUT CASE
Mechanical Unit and
Pre-amp only
$449.95
Magnecord S36-B
Recorder and Preamp.
with Case $415.00
Without Case $385.00
u
Model 728
Stereo-stereo
Recorder
$759.00
Stereo-stereo
Recorder
with Fourth Head
OA track)
$800.00
for either of above $50.00
Magnecord
Km
Tape Transport
with case $1005
without case $935
Amplifier
with case $400
without case $360
Recorder/Amp.
with case $1405
without case $1295
Recorder/Amp. and Console Cabinet, $1495
fe&ft
Magnecord Stereophonic M90
Record/Amplifiers Tape Transport
with case $2255 with case $1455
without case $2105 without case $1385
40-15,000
cycles at
7^2 "/sec.
50-7,500
cycles at
33/ 4 "/sec.
50-15.000
cycles (:t2 db)
at 15"/sec.
50-10,000
cycles (±2 db)
at 7V2"/sec.
30-18,000
cycles (=2 db)
at 15"/sec.
40-15,000
cycles (=2 db)
at 7y 2 "/sec.
30-15,000
cycles (±2 db)
at 15"/sec.
30-15,000
cycles (zir4 db)
at 7% "/sec.
A series of tape recorders for both stereo and mon-
aural recording and playback. Two speeds: 7 1 / 2 and
3 3 / 4 ips. Separate channel balance controls. Master
level control. Individual VU meters for each channel.
Four inputs: two microphone-high impedance un-
balance; two high-level auxiliary for tuner, phono,
tape. Outputs: two cathode follower, unbalanced. Bi-
naural monitor phone jack. Recording indicator. Wow
and flutter: less than 0.3%. Signal-to-noise ratio:
more than 48 db. (Includes l A track play head.) Add
$55 for synchronous motor available for all models
except the mechanical unit and pre-amp in portable
case.
Single unit recorder and preamplifier for rack or
portable mounting. Two-speed, single-track, with cap-
stan speed change and hysteresis synchronous
motor drive. Signal-to-noise, 50 db unweighted. Flut-
ter, 0.3%. Rewind time, 40 sec. for 1200 ft. Erase
and record playback heads. VU meter for record and
playback level. Phone jack for monitoring. Micro-
phone and unbalanced bridging inputs. 600 ohm
balanced or unbalanced line output. Weight: 40 lbs.
in case.
Professional portable for sound-on-sound stereo or
monaural record playback. Speeds: 15 and 7 l /i ips.
Hysteresis synchronous motor. Electrical pay-off and
take-up torques. Push-button controls. Tape position
indicator. Can be supplied with full track, half track
or stereo heads. Two VU meters. Separate record
and playback amplifiers. Individual controls for record
gain and master gain: Timing accuracy: :±: 3 seconds
in 30 minutes. Signal-to-noise ratio: better than 55
db per channel. Wow and flutter: 0.1% at 15 ips,
0.15% at 7 J /2 ips. Output: cathode follower. Input:
two high impedance and two unbalanced bridges,
two low impedance with plug-in transformer. Panel
size: 17y 2 " x 13" x 12". Weight: 50 lbs.
Portable, professional-type two speed recorder/ampli-
fier units, also available in console cabinet mounting.
Electrically interlocked push-button controls. Direct-
drive hysteresis synchronous motor. Separate erase,
record and playback heads— interchangeable assem-
blies for full track, half-track or instrumentation. In-
stantaneous start and stop, automatic tape lift. Sepa-
rate record and playback amplifiers for simultaneous
monitoring from tape. High speed cueing control.
Signat-to-noise, 58 db unweighted. Flutter: 0.1% at
15"/sec, 0.15% at 7 1 / 2 "/sec. Rewind time, 55 sec.
for 2400 ft. VU meter for bias, record and playback
level. 50 or 250 ohm balanced or unbalanced micro-
phone input, balanced or unbalanced bridge input.
Line output, 600 ohms balanced or unbalanced.
14
AUDIO RECORD
September, 1960
15
The COMPLETE LINE of professional quality AUDIOTAPE —
Description
PLASTIC-BASE AUDIOTAPE
on 1'/] -mil cellulose acetate
Meets the most exacting requirements of the
professional, educational and home recordist
at minimum cost. Known the world over for
its matchless performance and consistent uni-
form quality. Series 51.
AUDIOTAPE ON 1 '/ 2 -MIL MYLAR*
A premium-quality professional tape that
provides the utmost in mechanical strength
and immunity to temperature and humidity.
Will not embrittle with age. Series 71.
*DuPont Trade Mark
"LR" LONGER-RECORDING AUDIOTAPE
on 1-mil "Mylar"
50% more recording time per reel. The
strong, super-durable polyester film base as-
sures trouble-free operation even under se-
vere heat and humidity. Series 61.
PLASTIC-BASE "LR" AUDIOTAPE
on 1-mil cellulose acetate
50% more recording and playback time on
low-cost 1-mil cellulose acetate base, afford-
ing maximum economy for applications
where high strength is not required. Series 41.
Type No.
151
351
651
1251
255 1H
255 1R
12551 FS
505 1H
505 1R
671
1271
2571 H
2571 R
}2571FS
5071 H
5071 R
261
961
1861
366 1H
3661 R
±3661 FS
726 1H
7261 R
941
1841
3641 H
3641 R
3641 FS
724 1H
7241 R
Length
150 ft.
300 ft.
600 ft.
1 200 ft.
2500 ft.
2500 ft.
2500 ft.
5000 ft.
5000 ft.
600 ft.
1 200 ft.
2500 ft.
2500 ft.
2500 ft.
5000 ft.
5000 ft.
225 ft.
900 ft.
1800 ft.
3600 ft.
3600 ft.
3600 ft.
7200 ft.
7200 ft.
900 ft.
1800 ft.
3600 ft.
3600 ft.
3600 ft.
7200 ft.
7200 ft.
Reelt
3" Plastic
4" Plastic
5" Plastic
7" Plastic
NARTB Hub
10y 2 " Aluminum
IOV2" Fiberglass
NARTB Hub
14 Aluminum
5 Plastic
7" Plastic
NARTB Hub
10/2 Aluminum
lOVi" Fiberglass
NARTB Hub
14" Aluminum
3 Plastic in Self-
Mailer Pkg.
5" Plastic
7" Plastic
NARTB Hub
IOVj ' Aluminum
10'/ 2 " Fiberglass
NARTB Hub
14 Aluminum
5" Plastic
7" Plastic
NARTB Hub
IOV2 Aluminum
lO'/j" Fiberglass
NARTB Hub
14" Aluminum
List Price
$ 0.70
1.35
2.25
3.50
8.50
10.90
10.90
17.00
22.10
2.65
4.25
8.30
11.20
11.20
16.65
24.50
1.00
3.60
6.20
12.00
14.40
14.40
24.00
30.00
3.50
5.50
10.00
12.85
12.85
20.00
26.00
Other AUDIOTAPE Items
Item
Type No.
Description
List Price
xSS=Sfcv
GREEN
BLUE
LENGTH
REEL
/^5'* ra Sk^\ COLORED PLASTIC-BASE AUDIOTAPE
Arwj^^S^m\\ on lVi-mil cellulose acetate
Green and blue colored Audiotape, in
\\\V«^^//| conjunction with the standard red-brown
VXJ^^^^KA^ tape, provide instant visual identification
V^JIp^B **&* °f recorded selections spliced into a single
N ^<fr^^ 4B red ( as shown ) —permit fast and easy
"> .^^B color cueing and color coding. Eliminate
/ -. need for identifying leaders between var-
^M ied individual selections.
151G
351G
651G
1251G
255 1HG
255 IRG
$2551 FSG
505 1HG
5051 RG
151 B
351B
651B
1251B
2551 HB
2551 RB
±2551 FSB
5051 HB
505 IRB
150 ft.
300 ft.
600 ft.
1200 ft.
2500 ft.
2500 ft.
2500 ft.
5000 ft.
5000 ft.
3" Plastic
4" Plastic
5" Plastic
7" Plastic
NARTB Hub
IOV2" Aluminum
10%" Fiberglass
NARTB Hub
14" Aluminum
.70
1.35
2.25
3.50
8.50
10.90
10.90
17.00
22.10
f ^*S \ EMPTY AUDIOTAPE REELS
\CA^'I IN INDIVIDUAL BOXES
Sly
3PB
4PB
5PB
7PB
10RB
10FS
14RB
10H
3" Plastic Reel in Box
4" Plastic Reel in Box
5" Plastic Reel in Box
7" Plastic Reel in Box
1 V2 " Aluminum Reel in Box
lOVi" Fiberglass (RETMA) in Box
14" Aluminum Reel in Box
NARTB Metal Hub
.25
.45
.60
.75
4.00
4.00
7.40
.70
— The World's Finest Magnetic Recording Tape
Description
SUPER-THINauHi-tape
SUPER-THIN AUDIOTAPE
on y 2 -mil "Mylar"
Twice as much recording time per reel as
standard plastic-base tape. Suitable for ex-
tended-play applications where tape tension
is not excessive. Series 31.
SMIIHIli audiotape
on TEMPERED Mylar
£3
SUPER-THIN AUDIOTAPE
on "Tempered" "Mylar"
Twice as much recording time per reel as
standard plastic-base tape, and is twice as
strong as other double-length tapes. Will not
stretch or break on any tape recorder — will
not dry out or embrittle with age. Series 3 IT.
MASTER LOW PRINT-THROUGH
AUDIOTAPE
on Plastic Base
The finest, professional-quality recording
tape. Base material, ly 2 -mil acetate. Maxi-
mum fidelity, uniformity, frequency response
and freedom from noise and distortion. . . .
Plus low print-through. Series 51M.
I fi * in if y t n ty #*
MASTER LOW PRINT-THROUGH
AUDIOTAPE
on iy 2 -mil "Mylar"
Super-durable tape that meets highest stand-
ards of performance. Withstands extreme
temperatures and humidity . . . plus low
print-through. Series 71M.
Type No. Length
1231
2431
331T
1231T
243 IT
4831T-R
±4831T-FS
651-M
1251-M
2551H-M
2551 R-M
±2551 FS-M
5051 H-M
5051 R-M
671 -M
1271-M
2571 H-M
2571 R-M
+2571 FS-M
1 200 ft.
2400 ft.
300 ft.
1 200 ft.
2400 ft.
4800 ft.
4800 ft.
600 ft.
1 200 ft.
2500 ft.
2500 ft.
2500 ft.
5000 ft.
5000 ft.
600 ft.
1 200 ft.
2500 ft.
2500 ft.
2500 ft.
Reelf
5 Plastic
7" Plastic
3" Plastic in Self-
Mailer Pkg.
5" Plastic
7" Plastic
IOV2" Aluminum
10'/ 2 " Fiberglass
5" Plastic
7" Plastic
NARTB Hub
10 T /2" Aluminum
lO'/j" Fiberglass
NARTB Hub
14" Aluminum
5" Plastic
7" Plastic
NARTB Hub
IOV2 Aluminum
l0 1 / 2 " Fiberglass
List Price
$ 3.50
6.50
1.60
5.45
9.50
22.00
22.00
2.75
4.30
9.80
12.50
12.50
19.55
26.00
3.20
5.10
10.00
13.50
13.50
t COLORED PLASTIC REELS. Audiotape on 5" and 7" plastic reels can be supplied on colored reels at no increase in price when ordered in lots of
30 reels or more of any one color. To designate color of reel (Red, Yellow, Green or Blue) add letters "RR" and "YR," "GR" or "BR" to Type No.
listed. E.g. Type 1251YR covers 1200 feet of standard plastic-base tape on Yellow Reel.
1 "FS" in Type No. indicates Fiberglass reel with solid hub and 5/16" center hole.
Audio Accessories
Item
RECORDING HEAD CLEANER
Especially formulated for use on recording
heads. Contains silicone solvent. Superior to
carbon "tet." One-ounce bottle with brush.
AUDIO SELF-TIMING LEADER TAPE
A strong, durable leader
tape of white "Mylar"
material with spaced
markings to permit ac-
curate rate time of
leader intervals. Each
box contains 100' x Vt".
ADHESIVE REEL LABELS
Provide positive identification of your tapes
right on the reel. Simply press to apply, pull
off to remove. Envelope of 30, 2" x V2" labels.
AUDIO ECHORASER
A new instrument for the instantaneous re-
moval of print-through (magnetic echo) from
recorded tape during playback. Easy to use
and install. Complete instructions provided.
Type
No.
1HC
3L
30AL
500
List
Price
$ .65
.55
.20
12.50
Item
AUDIO HEAD DEMAGNETIZER
.^^ Removes all permanent mag-
netism from recording and re-
production heads in a matter
of seconds. Includes 7-foot
cord and is individually boxed.
/
AUDIO HEAD ALIGNMENT TAPE
Pre-recorded at 2,000, 10,000 and 15,-
000 cps. (15"/sec.) with precisely
correct head alignment. Each box
contains 300 ft. on a 4" reel and in-
structions.
recordluaa
J
how to make
GOOD TAPE RECORDINGS
This handbook of tape recording con-
tains up-to-the-minute information of
interest and practical value to every
tape recordist. Profusely illustrated
with photographs, charts and dia-
grams prepared especially for this
book, it contains 150 pages of valu-
able information on all phases of
modem tape recording.
Type
No.
400
200
List
Price
$10.00
10.00
Clothbound
25C
2.50
Poperbound
15P 1.50
Live Music Archive
Librivox Free Audio
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