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Features
1. Two logic-control deck mechanisms
¢
Double-speed dubbing function
reduces tape editing
time by half.
. Dolby* B & C noise reduction systems
e
Built-in MPX filter
. 2-color 6-LED peak level indicator
. Synchro-start dubbing
. Metal tape compatibility
. Auto tape select mechanism (deck A)
Nn
Oo
nh
Ww
Dolby Laboratories Licensing Corporation.
Dolby Laboratories Licensing Corporation.
Specifications
Type
: Stereo double cassette deck
Track system
: 4-track, 2-channel
Tape speed
: 1-7/8 inch/sec (4.8 cm/sec)
Frequency response
O dB recording
: Metal tape;
40—11,000 Hz (+3 dB)
Chrome tape; 40—8,000 Hz (+3 dB)
Normal tape; 40—8,000 Hz (+3 dB)
—20dB recording: Metal tape;
30—16,000 Hz
40—15,000 Hz (+3 dB)
Chrome tape; 30—16,000 Hz
40—15,000 Hz (+3 dB)
Normal tape; 30—15,000 Hz
40—14,000 Hz (+3 dB)
:58dB (S =1kHz,
K3=3%,
N=A-
weighted,
Metal tape)
The S/N is improved by about 15 dB
at
500 Hz
and
by max.
20dB
at
1kHz—10 kHz with Dolby C NR on
and improved
by 5 dB at 1 kHz and
by 10 dB at above 5 kHz with Dolby
BNR on.
Improvement of MOL: 4dB at 10 kHz with Dolby C NR on
Wow and flutter
: 0.08 % (WRMS)
0.20 % (DIN 45 500)
Crosstalk
: 60 dB (1 kHz)
Harmonic distortion : K3 ;0.5 %, THD ;1.0%
(metal tape, 1 kHz, 0 dB)
: Deck A; METAPERM
head for play-
back
S/N ratio
Heads
Deck B; METAPERM
head for record-
ing/play back,
2-gap ferrite head for erasure
Noise reduction system manufactured under license from
"Doiby""
and the double-D
symbol
are trademarks of
TD-W20A/B/C/E/G/J/4
: Electronic
governed
DC
motor
for
capstan/reel
x 1 (for both decks A
and B)
Motors
Fast forward/
Rewind time
Input terminals
Mic jack x 2
: Approx. 100 sec with C-60 cassette
: Max. sensitivity; 0.4 mV (-68 dB V)
Matching impedance; 600 2 — 10kQ
: Max. input level; 80 mV
imput impedance; 50 kQ
Input jack x 2
Output terminals
Output jack x 2.
: Output level; 300 mV
Output impedance; 5 kQ
: AC 240 V, 50/60 Hz (TD-W20A)
AC 120 V, 60 Hz (TD-W20C/J)
AC 240/220/115 V, 50/60 Hz
.
(TD-W20U)
Power requirement
Power consumption
: With power on; 14 W
With power switch standby; 0.8 W
Dimensions
: 17-1/8"
(135 mm) W
4-11/16" (118 mm) H
9-1/8"
(230mm) D
Weight
: 8.8 Ibs (4.0 kg)
Accessories
: Pin plug cord x 2
Design and specifications are subject to change without notice.
(No. 4256) 3
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