Technics SU-3 Service Manual

ORDER NO. SD821 1 232708
Service Manual
Stereo Integrated Amplifier
SU-3
[EX], [EK], [EF], [EB], [EH],
[EW], [Ei], [XA], [XL]
~ SU-3(K)
[EX], [EK], [EH],
* The cabinet and front panel are available in black color and
silver types.
* The black type model is provided with (K) in the Service Manual.
[EW],[XA]
Areas
is available in Scandinavia.
is available in United Kingdom.
is available in France.
is available in Belgium.
is available in Holland.
is available in Switzerland.
is available in Italy.
is available in Southeast Asia, Oceania, Africa,
Middle Near East and Central South America.
is available in Australia.
Specifications (Specifications are subject to change without notice for further improvement.)
(DIN 45 500)
@ AMPLIFIER SECTION
40 Hz~20 kHz continuous power output
both channels driven.
1 kHz continuous power output
both channels driven
Total harmonic distortion |
rated power at 40 Hz~20 kHz
rated power at 1 kHz
half power at 40 Hz~20 kHz
half power at 1 kHz
—26 dB power at 1 kHz
50 mW power at 1 kHz
intermodulation distortion
rated power at 60 Hz: 7 kHz=4:1, SMPTE, 80
Power bandwidth
both channels driven, —3 dB
Residual hum and noise
Damping factor
Input sensitivity and impedance
PHONO
TUNER, AUX
TAPE 1 REC/PLAY
PHONO maximum input voltage (1 kHz, RMS) .
S/N
rated power (8Q)
- PHONO |
TUNER, AUX, TAPE
—26 dB power (89) _
PHONO
TUNER, AUX, TAPE
50 mW power (82).
PHONO.
TUNER, AUX, TAPE
Technics
2X 18W (82)
2X 20W (8Q)
0.8% (8)
0.8% (82)
0.3% (80)
0.07% (8Q)
0.2% (8Q)
0.2% (82)
0.8%
10 Hz~25 kHz (8Q}
0.5 mV
27 (8)
2.5 MV/47kQ
150 mV/22kQ
150 mV/22kN
150 mV
68 dB (IHF, A: 72 dB)
92 dB (IHF, A: 97 dB)
67 dB
69 dB
67 dB
69 dB
Power supply
Frequency response
PHONO | RIAA standard curve
+0.8 dB (30 Hz~15 kHz)
TUNER, AUX, TAPE 10 Hz~60 kHz (-3 dB)
Tone controls
BASS
TREBLE
Output voltage and impedance
REC OUT
Channel balance, AUX 250 Hz~6,300 Hz
Channel separation, AUX 1 kHz
Headphones output level and impedance
Load impedance
MAIN
M GENERAL
Power consumption 93W
AC 50 Hz/60 Hz, 240V (For United Kingdom
and Australia)
AC 50 Hz/60 Hz, 220V. (For continental Europe)
AC 50 Hz/60 Hz, 110V/120V/220V/240V (For others)
Dimensions ee) 315 X 50 X 248 mm
| (121 ohaer% X 1-31/32" XK 9-3/4")
3.1 kg
(6.8 Ib.)
50 Hz, +10 dB~ —10 dB
20 kHz, +10 dB~ ~10 dB
150 mV
+1.0 dB
45 dB
360 mV/270Q
80O~160
Weight
Note:
Total harmonic distortion is measured by the digital spectrum
analyzer (H.P. 3045 system).
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan