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Technics SU-4

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Description:	AMPLIFIER SECTION 40Hz~20kHz continuous power output both channels driven: 2 x 18watts (8ohms) 1kHz continuous power output both channels driven: 2 x 20watts (8ohms) Total Harmonic Distortion rated power at 40Hz~20kHz: 0.8% (8ohms) rated power at 1kHz: 0.8% (8ohms) half power at 1kHz: 0.05% (8ohms) Intermodulation Distortion rated power at 60Hz: 7kHz=4:1, SMPTE, 8ohms: 0.8% Power Bandwidth both channels driven, -3dB: 10Hz~25kHz (8ohms) Residual hum and noise: 0.5mV Damping factor: 27 (8ohms) Input Sensitivity and Impedance PHONO: 2.5mV/47kOhms TUNER, AUX/CD/VIDEO: 150mV/22 kOhms TAPE: 150mV/22 kOhms PHONO maximum input voltage (1kHz, RMS): 150mV S/N rated power 8ohms PHONO: 68dB (IHF, A: 72dB) TUNER, AUX/CD/VIDEO, TAPE: 92dB (IHF, A: 97dB) Frequency Response PHONO: RIAA standard curve +/- 0.8dB (30Hz~15kHz) TUNER, AUX/CD/VIDEO, TAPE: 10Hz~60kHz (-3dB) Tone Controls BASS: 50Hz, +10dB~-10dB TREBLE: 20kHz, +10dB~-10dB Output Voltage and Impedance REC OUT: 150mV Channel balance AUX/CD/VIDEO 250Hz~6,300Hz: +/-1dB Channel separation, AUX/CD/VIDEO 1kHz: 45dB Headphones output level and impedance: 360mV/330ohms Load Impedance: 8ohms-16ohms GENERAL Power consumption: 93 watts Note: Total harmonic distortion is measured by the digital spectrum analyser (H.P. 3035 system).
Dimensions:	315 x 48 x 240mm (W x H x D)
Weight:	3.1kg / 6.82lbs
Year:	1980 - 1982
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