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A-SSORX
1 SPECIFICATIONS
SPECIFICATIONS
Track System
4-track, 2-channel stereo
2 Heads
Erase and Record/Playback
Type of Tape
Cassette tape, C-60 and C-90 (Philips type)
Tape Speed
4.8 cm/s (1-7/8 ips)
Input (level and impedance)
MIC:
Specified input level; —57 dB (1.09 mV)/10 kohms
Min. input level; —-67 dB (346V)
LINE IN: Specified input level; —9 dB (275 mV)/50 kohms
Min, input fevel; —19 dB (86.9 mV)
DIN*?: Min. input level; —35 dB (13.8 mV) (Europe Model only)
*! Pursuant to DIN standards
Outputs (level and load impedance)
OUTPUT: Max. output fevel; —2.5 dB (580 mV)/50 kohms
Specified output level; —5 dB (436 mV)
Headphones:
Specified output jevel; —15 dB (138 mV)/8 ohms
Equalization
METAL:
3180ust+7 Opus
CO(CrO.): + 3180us+70us
NORMAL:
3180ts+120us
Head Configuration
1/2-track, 1-channel Erase Head
1/4-track, 2-channel record/playback head
Motor
FG servo controlled DC motor
Bias Frequency
100 kHz
Operation Position
Horizontal
Power Requirements
100/117/220/240V AC, 50/60 Hz, 42W
(General Export Model)
117V AC, 60 Hz, 44W (U.S.A./Canada Model)
220V AC, 50 Hz 36W (Europe Model)
240V AC, 50 Hz 36W (U.K./Aus. Model)
Weight
9.5 kg (20-15/16 Ibs.) net
12.0 kg (26-7/16 Ibs.) net (Some
General Exp. Models have wood pamels/case.)
Dimensions
See Fig. 1-1.
SERVICE DATA
MECHANICAL
Tape Speed Deviation
3,000 Hz+45 Hz
Tape Speed Drift
45 Hz
Wow and Flutter
Playback:
0.07% (WRMS), 0.15% (RMS)
Record/Playback:
0.20% (RMS)
Pinch Roller Pressure
350 g to 450 g (12.3 oz. to 15.9 02.)
Reel Torque
Take-up:
40 to 60 g.cm (0.6 to 0.8 oz-inch)
Supply:
2 to 6 g.cm (0.03 to 0.08 oz-inch)
Fast Forward: 80 to 150 g.cm (1.1 to 2.1 oz-inch)
Rewind:
100 to 150 g.cm (1.4 to 2.1 02-inch)
Fast Winding Time
About 90 seconds for MTT-501 (C-60)
AND SERVICE DATA
ELECTRICAL
Frequency Response
Playback
Reference 315 Hz:
40 Hz ~6.3 kHz +2 dB
10 kHz +2, —3 dB
14 kHz +2, —4 dB
Overall
Reference 400 Hz:
METAL/CO (CrO02)
40
Hz +2,-4dB
63 Hz ~ 10 kHz +2 dB
14 kHz +2, —4 dB
NORMAL
40
Hz +2, —4 dB
63 Hz~
6.3 kHz +2 dB.
10 kHz +2, —3 dB
12.5 kHz +2, ~4 dB
Signal-to-Noise Ratio
PLAYBACK:
NORMAL;
OVERALL:
48 dB min.
Co(CrO2) & METAL; 48 dB min. (NR-OUT),
65 dB min. (NR-dbx*?)
46 dB min. (NR-OUT),
65 dB min. (NR-dbx)
S/N is improved by 5 dB at 1 kHz and 10 dB above 5 kHz
when Dolby*> NR is used.
Erase Efficiency
65 dB min. at 1 kHz (measured with input 10
dB higher than the specified input level)
Channel Separation 30 dB min. (NR-OUT), 40 dB min.
(NR-dbx) at 1 kHz
Adjacent Track Crosstalk
40 dB min. at 125 Hz
Total Harmonic Distortion
2.0% or less (NR-OUT),
1.5% or less
(NR-dbx) at 400 Hz w/3 types of tape
NORMAL;
©
improvements may result in SPECIFICATIONS AND SERVICE
DATA changes
@
Value of dB"
in the Data refers to 0 dB (0.775 V), except
where specified.
«2 dbx
noise
reduction
system
made
under
license from
dbx,
Incorporated. The word dbx and the Symbol are trademarks of
dbx, Incorporated.
*3 Noise reduction circuit made under license from Dobly Labo-
ratories.
The
word
"Dolby"
and the Double-D
symbol
are
trademarks
of Dolby
Laboratories.
WARNING
4. Parts marked with this sign are safety critical compo-
nents.
They
must
always
be replaced
with
identical
components — refer to teh TEAC Parts List and ensure
exact replacement.
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