Teac V-909RX - Specifications; Service Data

—- Y-9O9ORX/V-707RX/V-707R
1
SPECIFICATIONS
AND
SERVICE
DATA
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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