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tp ROBERTS Tape Recorders
MODEL 1725 COMPACT STEREO RECORDER
Flawless stereo FM recording with this modestly priced recorder
manufactured to professional criteria. Operates vertically or hori
zontally. Lock-ln edit/pause lever; safety record Interlock and
Mono-Merco track selector switch. Electrically switched motor
speed change. Three place digital counter with reset. Automatic
shutoif device. Super-fast rewind for local Inn of selections. Tape
Speeds: 1 /, Ips, AX ips, 7H Ips; 15 Ips available. Reol Size: 7"
maximum. Frequency Response: *3 db, 50-10.1100 cps at 3« Ins;
±3 db 40-18.000 cps at 7H Ips. Signal-to-Noise Ratio: Better
than 45 db. Wow and Flutter: Less than 0.2% at 7 X Ips. Equaliza
tion: NAUTB .Standard. Input Sensitivity: 160 mV for "0" VI*
recording in phono/radio Input; 3 mV for "0" VU recording in
microphone input. Motor: 2-speed. electrically switched, dynami
cally balanced motor and flywheel. Speakers: Two 8-ohm 5" x 7"
extended range. VU Motors: Two. Power Requirements: 80
watts, 110-126 V. 50 and 60 ens. Size: 13 X" w. x 7 H" d. x 18 X" h.
\\ eight, aiiproxlmately 33 H lbs.
Roberts Modol 1725 Compact Stereo Recorder—Net.$269.95
Roberts Model 1725W/S907A Stereo Recorder—Same as Model
172o except housed In genuine walnut case with external speakers
in matching walnut cabinets. Net Each $299.95
Roberts Modol 1725-8L Stereo Recorder—Same as Model 1725
except wltli built-in 8-track stereo cartridge record and play: ttrack
stereo and mono reel to reel record and play; reel to car
tridge and cartridge to reel record. Net Each $389.95
MODEL 770X STEREO TAPE RECORDER
Exclusive "Cross Field" head adds new sound dimension to high
fidelity recording. Separate recording bias supply permits record
ing at a full octave higher frequency, even at slow speeds. Records
Tour hours of I'M stereo automatically; shut off turns both
recorder and tuner off. If desired. Two sliced, electrically swllelieil,
professional motor. Pause lever provides Instant stop for editing
and level adjustment. Multiple Adjustment Head for Instant
selection of all functions. Includes four digit counter, large VU
mCnS,i*"f* (1200 ft. In only l'''-J •'"speakers- 7o seconds). HUm Outputs speed provided fast forward for four and sets rewind of
stereo .speakers or stereo headphones. Speeds: 1 W, 'AX and 7H Ips
(15 Ips optional). Frequency Response: *3 db, 40-20,000 cps at
iX Ips; to 16,000 COT at 3M ips: *=4 db, 40-12.000 cps at 1 ?, ips.
Slgnal-to-Noiso Ratio: -45 db. Wow and Flutter: Less than
o.i.y, rms at , H ips; less than 0.25'.,' rms at 3*4 Ips; less than
"■Ao'/o rmsi at 1 J, ips. Channel Separation: (Crosstalk) better
than o0 db at 1 kc. Equalization: NAKTB Standard. Powcr
Output: 1„> watts peak. Power Required: 110-120 VAC, 50-60
cps. Size: Li* w. x 9* d. x 20* h. Weight. 48 lbs.
Roberts Modol 770X Steroo Recorder—Net Eacli. . . .$399.95
MODEL 5000X STUDIO TAPE RECORDER
Completely transistorized X track stereo tape recorder for pro
fessional studio recording applications. Exclusive cross Field
feature penults recording at one-fourth of normal recording speed
without loss of fidelity. Takes all sizes of reels Including low*
reels without adapters. Electrical speed change. Four digit counter
Hysteresis synchronous direct drive capstan. Equalized pre-amp
outputs. Sound-over-Sound mixing inputs. Tape Speeds: .!■-.' and
7H ips. Reel Size: All sizes Including 10H*. Outputs: OS watts
P.03*5,- stereo. Heads: 4—Record. Play/Monitor, Erase and Cross
!'!e"A;.Fret'uency
14,000 cps at 3M
Response:
Ips: *3 db.
*2
26-22.000
db, 40-20.000
cps at
cps
7 W
at 7X
ips;
Ips;
*3 db
to
30-1/,000 cps at 3X ips. Signal-to-Noise Ratio: Better than 50 db!
Wow and Flutter: Less than 0.1.V.; at 7H IPS. Channel Separa
tion: (Crosstalk) -50 db. Erase Efficiency: -00 db. Equaliza
tion: NAKTB for each channel. Input Sonsitivity: Microphone
input, 0.6 mV; phono/radio line input, 60 mV. Power Required:
200 watts. 110-125 V. CO cps. Speakers: Two 7" oval. Moto?s: One
electrically
for Fast forward
switched
and
capstan
Fast Rewind.
drive motor:
Weight.
separate
70 lbs.
torque motors
Roberts Model 5000X Professional 4-track Stereo Recorder—
Complete with two amplifiers and speakers. Net Ea. $699-95
Roberts Modol 5000F Full Track Monaural Tape Deck—With
solid state Record and Playback prcampllilcrs. Net Ea. $599-95
Roberts Model 5000H Half Track Monaural Tape Deck—With
solid state Record and Playback preamplifiers. Net. .$599.95
Roberts Modol 5000S!4-Track Stereo Tape Deck—With solid
state Record and Playback preamplifiers. Net Each. .$599.95
MODEL 400X PROFESSIONAL STEREO
22,000-Cyclo 68-watt Cross Field
REVERSE Play—Automatically
REPEAT Play—Automatically
SELECT Play—Automatically
Fully automatic, X track stereo tape recorder for professional or
home use. Exclusive Cross Field feature permits recording at onefourth
of normal recording speed without loss of Ijdclitv. Addi
tional features Include: Two types of Automatic Reverse Play
actuation—timed adjustable Indexer and precise tape foil sensor
method. Computer-type solid state circuitry with removable
modules Pushbutton solenoid controls, echo effect, remote con
trol optional. Sound-over-Sound, Sound-wlth-Sound and channel
transfer sound. Hysteresis synchronous capstan drive, electrical
speed Change. Four-digit pushbutton index counter. Tape Speeds:
:.>',,,;!!•'• ' *£ l|;si,15 'J's "P'lonal: Frequency Response: Dp to
i.l, P- Rcc.' *-!?*"/ ""lx-: r°i$" re('1 adaptable. Outputs: 08
SSm ' iiT1' Hc.?d,s: 4—-Record, Play/Monitor, Erase and Cross
cISS", Speakers: Mo'?rs: Two, ;! built-in. Including VU one Motors: hysteresis Two. synelironous motor.
Roberts Model 400X Professional Stereo Recorder-
Net bach $799.95
Roberts Model 455 Professional Stereo Recorder—Same as Model
loox except without Cross Field and automatic Forward and Re
verse Play, and only amplifiers are solid state. Net.. .$599.95
MODEL 720A PROFESSIONAL STEREO
Meets most exacting professional standards, including Soundwitn-hound
am channel transfer sound features. Four tape
Speeds. I X ips, 3*4 IPS, and 1 X Ips standard; 15 Ips available as
optional accessory. Almost OX hours of uninterrupted playing
time provides exceptional recording latitude. Accurate tape
transport speeds assured by exclusive Roberts hysteresis-syn
chronous electric motor. Separate tone and volume controls for
each channel. Automatic shut-olf device. Four digit counter with
reset and pause control facilitates editing. Reel Size: 7" maximum.
Frequency Response, Record: *3 db, 40-16,000 cps. Frequency
Response, Playback: *;j db, 40-20,000 cps. Slgnal-to-Noiso
Ratio: Belter than 45 db. Wow and Flutter: 0.1691 rms nt7H Ips.
Power Output: 12 watts peak. Input Jacks: Microphone. 2; FM
Multiplex I uiicr/Record Player. 4. Output Jacks: Headphone, 1;
lRfir% ?:J?ei8Iir!1 4- vu """tors: Two. Size: 14" w. x 9* d. x
20* li. Weight, 48 lbs.
Roberts Model 720A Professional Stereo Tapo Recorder—Com-
P etc with two built-in speakers and two microphones.
Net kadi $399-95
SERIES 6000 ROVING REPORTER
Professional Cross Field portable features 25 H hours of interviews
and music on single 5" reel tape. Exclusive Cross Field head allows
one to record and play full fidelity sound even at 15/10 Ips. Com
pletely self-contained. Battery or AC operation. Two VU meters.
Solid state throughout. Four speeds. Piano key controls. Push
button reset counter. Eight and small, will lit brief case. Output:
4 watts, stereo; 2 watts, mono. Tapo Speeds: »s&, XX. 3X and
1 X IPS. Reol Size: 5* and 3". Motor: Precision DC micro motor.
Speaker: o" oval. Transistors: 32 transistors and diodes. VU
Meters: Two, indicating both stereo recording level and battery
condition. AC Adapter: Converts battery operation to house cur
rent operation. Power Required: 6 VDC, 110 VAC with AC
adapter, supplied. Slzo: oy8" w. x 10" d. x 4" h. Weight, 11 lbs.
2 oz., less battery.
Roberts Model 6000S Stereo "Roving Reporter"—Complete with
mike, rechargeable battery, battery charger, AC adapter, and
two amplifiers for stereo playback. Net Each $359-95
Roberts Model 6000M ^i-Track Monophonic "Roving Reporter"
—Complete with mike and batteries. Net Each $299-95
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