Aiwa AD-1800 Service Manual

Type:
Recording track system: 4-track, 2-channel
Circuit:
Power source:
Power consumption:
Frequency response:
SN ratio:
Wow & flutter:
Tape speed:
Recording system:
Erasing system:
Rewind time:
FF time:
Usable cassette tape:
Motor:
Head:
Input:
MIc:
SPECIFICATIONS
Hi-Fi stereo cassette tape deck LINE (iN):
with Dolby system and DNL
DIN (IN):
1 IC, 62 transistors, 43 diodes,
2 FET, 3 LED Output:
“EE” model LINE (OUT):
AC 110 ~ 120V/220 ~240V
switch changeable, 50/60 Hz
“UK” model
AC 120V/240V switchable 50 Hz DIN (OUT):
24W
LH tape, 30 ~ 14,000 Hz
Fe-Cr tape, 30 ~ 18,000 Hz Headphone:
CrO,
tape,
30
~
17,000
Hz
Dimensions
(w.h.d):
65 dB (Doiby NR/DNL ON, Fe-Cr Weight:
Accessories:
tape)
0.05% (WRMS}
4.76 cm/sec. (1-7/8 ips) 1.0%
AC bias
AC erase
95 sec. (w/ C-60)
95 sec. {w/ C-60)
C-30, C-60, C-90, (C-120)
AC hysterrisis synchronous motor
Ferrite guard head (FGH)
Max. input sensitivity: 0.25 mV
Impedance: 200 ohms ~ 10k ohms
Set using ISO screws
DATE OF ISSUE 25/12/1975
Max. input sensitivity: 50 mV
Impedance: 100 k ohms or higher
Max. input sensitivity: 0.1mV/k ohm
Impedance: 2.7 k ohms
Standard output level: 0.775V (O VU)
Optimum load impedance: 50 k ohms
or higher
Standard output level: 0.775V (O VU)
Optimum load impedance: 50 k ohms
or higher
Load impedance: 8 ohms
423 x 152 x 295 mm (with dust cover)
7.5 kg (with dust cover)
Dust cover x1
Tape cassette x1
DIN cord x1
Head cleaning pole x1
© The external design and the specifications are subject to
change without prior notice.
e@ Dolby Noise Reduction Circuit Under License from
Dolby Laboratories
Incorporated.
e@ The word ‘Dolby’ and “‘Double-D” symbol are trademarks
of Dolby Laboratories Incorporated.

Aiwa AD-1800 Specifications

General

Input Sensitivity	2.5mV (MM), 150mV (line)
Heads	1 x record/playback, 1 x erase
Track System	4-track, 2-channel stereo
Tape Speed	4.76 cm/s
Frequency Response	20Hz-20kHz
Type	Stereo Cassette Deck
Motor	DC servo