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2-6000
1 SPECIFICATIONS AND SERVICE DATA
fRRAOUY-EA+F-F
Notes:
.
:
1. Improvements
may
result
in changes in specifications and
service data,
2. O dB is referenced ta 0.775 V in this manual.
SPECIFICATIONS
Track system
4-track, 2-channel stereo
Heatis
3: Erase, record and playback
Type of tape
Cassette tape, C-60 and €-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 kahms
Minimum input level: -67 dB (346 »V)
LINE IN:
Specified input ievel: -9 dB (275 m¥V)/50 kohms
Minimum input level: -19 dB (86.9 mV)
Output (level and impedance)
OUTPUT:
Specified output level: -5 dB {436 mV}
_
50 kohms or more
_ PHONES:
Specified output level: -5 dB (436 mV)/8 ohms
Equalization
METAL:
3180 us+70us-
CrO,:
3180 us + 704s
NORMAL:
3180 us+ 120 us
Head configuration
:
1/2-track, 1-channet erase head
1/4-track, 2-channel record and playback head
Motors
1 DO€ FG DD Servo Motor {for Capstan Drive)
2 Coreless DC-DB motors (for Reel Drive)
1 DC motor (for Ancillary Contral)
Bias frequency
100 kHz
Operation pasition
Horizontal
Power requirements
100/120/220/240 V AC, 50/60 Hz, 42 W {General Export Models)
120 V AC, 60 Hz, 42 W (U.S.A./Canada)
220 V AC, 50 Hz, 42 W (Eurape}
240 V AC, 50 Hz, 42 W (U.K./Australia}
Dimensions
See Fig. 1-1 on page 3.
" Weight
16.4 kg (36-2/18 Ibs) net
e
Dalby Noise Reduction System manufactured under license
from Dolby Laboratories Licensing Corporation.
'Dolby' and the double-D symbol are trademarks of Dolby
Laboratories Licensing Corporation.
e
dbx Noise Reduction system made under license from dbx,
'
Incarporated.
The name
"dbx"
and the dbx symbol are
trademarks of dbx, incorporated.
CAUTION
'Parts marked with this sign are safety critical components.
They must always be replaced with identical components —
refer to the SEPCORrEate: parts list and ensure exact replace-
ment.
: Frequency respanse-
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SERVICE DATA
MECHANICAL
oe
Tape speed deviatian
| 3,000 Hz
+45 Hz
Tape speed drift .
30 Hz
Wow and flutter
Play back:
0.03% (WRMS}
Record/playback:
0.15% (RMS)
Pinch roller pressure
Right:
31010 380g (10.9 to 13.4 oz}
Left:
135 t0 165g
(4.7 to 5.8 oz)
Reel Torque
Take-up: 35 to 50 g-cm (0.48 to 0.70 oz-inch}
Supply:
9to1tg-em
{0.12 to 0.16 oz-inch)
F.F./REW:
90 9-cm or more
Fast winding time
90 seconds for MTT-501 (C-60)
ELECTRICAL
"See Fig. 6- #7 to 6-14
Signal-to-Noise Ratio (Overalt)
60 dB (3% THD Level, Weighted, Metal Tape};
72 dB at § kHz {Dolby 8 NR}
82 dB at 1 kHz {Dolby C NR}
92 dB at 1 kHz (dbx)
Erase efficiency 65 dB min. at 1-kHz (measured with input 10 dB
higher than the specified input level)
Channel separation
35 dB min. at 1 kHz
Adjacent track crosstalk
45 dB min. at 125 Hz
Total- harmonic distortion
2.0% or fess with METAL and CrQ,, tapes
.
3.5% or fess with NORMAL tape
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