Technics SU 4 Service Manual

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lg; ORDER NO. 808311266508

ervice Manual

Stereo Integrated Amplifier

SU-4

[EX].[EF],[EB]. [EH]. [El].
[EW],[EK], [XA].[XL]

SU-(K4)

[,EX] [EH] [EW]
[EKL [XA]

Areas

\
' [EX] is available in Scandinavia.
' [EF] is availablain France.
[EB] is availablein Belgium.
' [EH] is available in Holland.
' [El] is available in Italy.

' [EW] is available in Switzerland.

[EK] is available in United Kingdom.

' [XA] is available in Southeast Asia, Oceania. Africa,
Middle Near East and Central South America.

' [XL] is available in Australia.

' The cabinet and front panel are availmle in black color and
silver types.
\ ' The black lvpa model is provided with (K) in the Service Manual.

Specifications (Specifications are subject to change without notice for further improvement.)

(DIN 45 500)
I AMPLIFIER SECTION

40 Hz 720 kHz continuous power output Tone controls
both channels driven 2 ' 15W (80) BASS 50 Hz, >10 (18 , 10 dB
1 kHz continuous power output TREBLE 20 kHz. - 10 dB» , 10 :18
both channels driven 2 ' 20W (80) Output voltage and Impedance
Total harmonic distortion REC our 150 rer
med Power at 40 "120 kHz 0 8% <80) Channel balance, AUX/CD/VIDEO 250 Mr 6.300 H2 :1 o as
rated power at 1 kHz 0 3% (50) Channel separation. AUX/CD/VIDEO 1 kHz 45 as
M" power at 1 kHz 0 05% (80) Headphones output level and Impedance 360 mV/SSOO
Intermodulatlon distortion Load Impedance 80~ 160
rated power at 60 Hz: 7 kHz: 4:1. SMPTE. 80 Cl 8%
Power bandwidth I GENERAL
both channels driven. -3 dB 10 Hz~25 kHz (80)
Residual hum and noise 0 5 mV Power consumption 93w
Damping lactor 27 (am Power gupp|y
Input sensillvity and impedance For United Kingdom and Australia AC 50 H2160 Hz, 240v
PHONO 2 5 V""7kn For continental Europe AC 50 Hzr60 Hz. 220V
TUNER. AUX/CD/VIDEO 50 "1V. 22m For others AC so Hz/GO Hz. llovnzovnzzoV/zaov
TAPE 50 mV/22k0 Dlmenslone (W \H) D) 315 50 ' 248 mm
PHONO maximum input voltage (1 kHl. RMS) 150 mV (12-13/32 - 1-31fl32" - 9-24 32")
S/N Weight 3 1 k9
rated power (80) (6 9 lb )
PHONO 68 dB (IHF. A 72 dB)
TUNER. AUX/CD/VIDEO. TAPE ole.
92 18 (IHF. A 97 53) Total harmonic distortlon is measured by the digital spectrum
Frequency response analyler [H P 3045 system)
PHONO RIAA standard curve

was ca (30 Hz~ls kHzi
TUNER. AUX/CD/VIDEO. TAPE 10 Hz 60 kHz (-3 dB)

TeChniCS Matsuahlta Electric Trading 00., Ltd.

PO. Box 288. Central Osaka Japan

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