Technics SU-8044 Service Manual

OROER NO. SO7811-1471
Stereo Integrated DC Amplifier
SU-8044
(X), (XA), (XAL), (XGH)
(E), (EG), (XE), (XGF), (EB)
SU- 'SO044K
), (XAL), (XGH)
"e : (EQ), (EB)
* The models SU-8044 (X, XA) and SU-8044K {X, XA)
are available in Asia, Latin ee Middle East and
Africa only.
* The models SU-8044 (XAL) and SU-8044K (KAL)
are available in Australia only.
* The models SU-8044 (XGH) and SU-8044K (GH)
are available in Holland only.
* The models SU-8044 (E, EG) and SU-8044K (E, EG)
are available in Scandinavia and European only.
* The mode! SU-8055 VES is availabie in United
. Kingdom oniy. _
- * The models SU-8044 (EB) sad SU-8044K (E8) are
available in Beigium anly.
* The mode! SU-8055 (XGF) is available in France only.
TECHNICAL SPECIFICATIONS Specifications are subject to change without notice for further improvement.
[DIN 45 500] smn
AMPLIFIER SECTION
rated power at 49) PHONO 73 dB (IHF, A: 80 dB
1 kHz continuous power output | TUNER, AUX, TAPE 86 dB (IHF, A: 97 dB) .
both channels driven 2x 46 W (49), 2x 40 W (8) -~26 d8 power at4(Q) PHONO 6248"
40 Hz ~ 16 kHz continuous power output TUNER, AUX, TAPE 63 d8
both channels driven 2x 40 W (4M), 2x 38 W(82) 50 mW power at 41 PHONO . 58 d8
20 Hz ~ 20 kHz continuous power output | | TUNER, AUX, TAPE 60 dB
both channels driven 2x 40 W (40), 2x 38 W (82) Frequency response PHONO RIAA standard curve
Power bandwidth 3 30 Hz ~ 15 kHz, t0.8d8
both channels driven, ~3 dB 5 Hz ~ 30 kHz (4) TUNER, AUX, TAPE 20 Hz ~ 20 kHz, +0.5dB
5 Hz ~50 kHz (8) 10 Hz ~50 kHz,~1dB
Total harmonic distortion Tone controls BASS 50 Hz, +10d8 ~—10d8
rated power at 1 kHz 0.03% (412), 0.02% (82) TREBLE 20 kHz, +10dB8 ~~10d8
rated power at 40 Hz ~ 16 kHz 0.03% (42), 0.02% (82) High filter 7 kHz, ~6 dB/act
rated power at 20 Hz ~ 20 kHz 0.03% (42), 0.02% (80) Loudness control (volume at —30 dB) 50 Hz, +9 dB
half power at 20 Hz ~ 20 kHz 0.015% (81?) Output voltage and impedance REC OUT 150 mv
half power at 1 kHz 0.008% (81) REC/PLAY 30 mV/82 kQ
-26 dB power at 1 kHz / 0.15% (40) Channel balance (250 Hz ~ 6300 Hz), AUX +1.0d8
5OmW power at 1 kHz — 0.2% (42) Channel! separation at 1 kHz, AUX 58d8
intermodulation distortion Headphones output level and impedance 4490 mV/330N
rated power at 250 Hz: 8 kHz = 4:1, 422 0.03% Load impedance MAIN or REMOTE 4~160
rated power at GO Hz: 7 kHz 2 4:1, SMPTE, 80 0.02% MAIN + REMOTE 8~160
Residuat hum & noise 0.8 mV (0.8 mV, IHF, A) ;
Damping factor 16 (49), 32(8QN) GENERAL
ONO i ascot 2.5 mV/47 kD Power consumption 400 W
Power supply (50 Hz/60 Hz) 110V/120V/220V/240V
TAPE 1, REC/PLAY 180 mV/33 kN Weicht 67k
TAPE 2 150 mV/33 kl 3 neg
PHONO maximum input voitage (1 kHz, RMS) 150 mV
P.O. Box 288, Central Osaka Japan