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—- Y-9O9ORX/V-707RX/V-707R
fERRBELUY—-ER-F-F
Notes:
1. Inprovements may result in changes in specifications and service
data.
2. 0 dB is referenced to 0.775 V in this manual.
SPECIFICATIONS
Track system
4-track, 2-channel stereo
Heads
3: 2 Erase and Record/playback
Type of tape
Cassette tape, C-30 to C-90 (Philips type)
Tape speed
4.76 cm/s (1-7/8 ips)
Input (level and impedance)
MIC:
Specified input level:
—57 dB (1.09 mV)/
10 kohms
Minimum input level:
—67 dB (346 »V)
LINE IN:
Specified input level:
~—9 dB (275 mV)/50 kohms
Minimum input level:
—19 dB (86.9 mV)
Output (level and impedance)
QUTPUT:
Specified output level: —5 dB (436 mV)/50 kohms
PHONES:
Specified output level: —18 dB (97.5 mV)/8 ohms
Equalization
METAL:
3180 us+
70 us
CrO2:
3180 us+
70 us
NORMAL:
3180 us+ 120 us
Head configuration
1/2-track, 1-channel erase head (2 used)
1/4-track, 2-channel record/playback head
Motors
1 DC servo motor (for capstan drive)
1 DC motor (for reel drive)
1 DC motor.(for ancillary contro!)
Bias method
AC bias recording
85 kHz
Operation position
Horizontal
Power requirements
V-909RX V-707RX V-707R
DM
100 VAC
50/60Hz2
32W
-
24W
USA/canada
9120 VAC
60Hz
32W
27 W
-
Europe
220 VAC
50 Hz
32W
-
24W
U.K/Australia
240 VAC
50Hz
32W
27W
-
General export models
100/120/220/240 VAC
50/60Hz
32W
27W
= 24W
Weight
6.5 kg (14-5/16 Ibs.) net for V-707RX/V-707R
7.0 kg (15-7/16 Ibs.) net for V-909RX
8.5 kg (18-12/16 Ibs.) with woodcase
Dimensions
See Fig. 2-2
e
Dolby Noise
Reduction manufactured
under license from
Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby
Laboratories Licensing Corporation.
dbx Noise Reduction System made under license from dbx
Incorporated. The name "dbx" and the dbx symbol are
trademarks of dbx Incorporated.
1. FRR UYMRIS,
MEO
OF EE < BRP
STC EMH
ao.
2. CNVIAPIVTOBIZN.7ISVERLET.
SERVICE DATA
MECHANICAL
Tape speed deviation
3,000 Hz +45 Hz
Tape speed drift
30 Hz
Wow and flutter
Playback:
0.07% (WRMS)
Record/playback:
0.25% (RMS)
Pinch roller pressure
290 g +40 g (8.8 oz to 11.6 02)
Reel Torque
Take-up (FWD/REV):
35 to 55 g-cm(0.49 to 0.76 oz-inch)
Supply in (FWD/REV):
2.2 to 4.5 g-cm(0.031 to 0.062 oz-inch)
F.F. and REW:
80 te 150 g-cm(1.1 to 2.1 oz-inch)
Fast. winding time
90 seconds for MTT-501 (C-60)
ELECTRICAL
Frequency response
See Figs. 5-3 to 5-6.
Signal-to-noise ratio
Playback:
NORMAL: 46 dB min.
Overall:
METAL, CrO2: 44 dB min.
NORMAL: 43 dB min.
Erase efficiency 65 dB min. at 1 kHz (measured with input 10 dB
higher than the specified input level)
Channel separation
30 dB min. at 1 kHz
Adjacent track crosstalk
40 dB min. at 125 Hz
Total harmonic distortion
2.2% or less with METAL and Cr02 tapes
2.0% or less with NORMAL tape
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