Teac CX-400 - SPECIFICATIONS AND SERVICE DATA; SPECIFICATIONS; SERVICE DATA

SPECIFICATIONS
AND
SERVICE
DATA
SPECIFICATIONS
Track System 4-track, 2-channel stereo
3 Heads Erase, 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 (346 pV)
LINE IN: Specified. input level; —9 dB (275 mV)/
50 kohms
Min. input level; -19 dB (86.9 mV)
DIN*: Min. input level; —45 dB (4.36 mV)
, *Pursuant to DIN standards
Output (level and load impedance)
OUTPUT: Spec. output level; —5 dB (436 mvV)/
50 kohms.
Max. output level; —2.5 aB (581 mV)
PHONES: Spec. output level; -16 dB(123 mV)/8 ohms -
Equalization a
METAL: 3180 us + 70.us
Co (CrO,): 3180 us + 70 ys
NORMAL: 3180 us + 120 ys
Head Configuration ~~
1/2-track, 1-channel erase head
1/4-track, 2-channel dual-gap record and playback heads
Motor DC servo motor ,
Bias Frequency 100 kHz
Operation Position Horizontal
Power Requirements
100/117/220/240 V AC, 50/60. Hz, 12 W. (General
Export Model)
117 V AC, 60 Hz, 12 W (U.S.A./Canada Model)
220 V AC, 50 Hz, 12 W (Europe Model)
240 V AC, 50 Hz, 12 W (U.K./Australia Model)
Weight 6.1 kg (13-7/16 lbs.) net
7.7
kg
(17
Ibs.)
net
(Some
General
Exp.
Models
have wood case.)
Dimensions See page 3.
* Noise reduction circuit made under license from Dolby
Laboratories. The word “Dolby” and the Double-D sym-
bol are trademarks of Dolby Laboratories.
CAUTION
A\Parts marked with this sign are safety critical components.
They must always be replaced with identical components
— refer to the TEAC parts list and ensure exact replace-
ment.
SERVICE DATA
MECHANICAL
Tape Speed Deviation 3,000 Hz +60 Hz
Tape Speed Drift 60 Hz. -
Wow and Flutter
Playback: 0.10% (WRMS)
Record/Playback: 0.25% (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
(0.56
to
0.83
oz-inch)
Supply:
2
to
6
g-crn
(0.028
to
0.083
oz-inch)
FF:
80
to
150
g-cm
(1.1
to
2.1
oz-inch)
REW:
90
to
150
g-cm
(1.2
to
2.1
oz-inch)
Fast
Wind
Time
110 sec. or less for MTT-501 (C-60)
Auto End-stop Time 6 sec. or less
ELECTRICAL
Frequency Response
Playback
(Co
(CrO2))
40Hz
+42,
-4
dB
(METAL) 63Hz +2,-24B
315 Hz OdB(Ref.)
2kHz +2,—2dB
4kHz +4,-2dB
6.3 kHz +4,—-2dB
10kHz +4,-—5 dB
Overall
40Hz
+4,-4dB
63Hz +4,-4dB
125Hz +2,-24B
400 Hz 0dB (Ref.)
6.3 kHz +2,—2dB
8 kHz +3, =2.5 dB;
Sea
icy
ml
SO
SkHz
+#3,—3
dB
+ 4
10kHz 43,—-4ap { NORMAL
Signal-to-noise Ratio
Playback NORMAL; 46 dB min.
METAL/Co (CrO,); 47 dB min.
Record/Playback
METAL, Co (CrO,);44 dB min.
NORMAL; 43 dB min.
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. at 1 kHz.
Adjacent Track Crosstalk 40 dB min. at 125 Hz
Total Harmonic Distortion METAL/Co(CrO2); 2.2% or
less.
NORMAL; 2.5% or less
NOTES:
e@
Improvements
may
result
in
SPECIFICATIONS
AND
SERVICE
DATA
changes.
e
Value
of
“dB”
in
the
data
telers
to
0
dB
(0.
775
v),
eXx-
cept
where
specified.