Technics SU-A80

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Technic details

Specifications

Type:	Integrated DC Amplifier
[Main amplifier section]
Effective output (Both channels simultaneous drive):	72W + 72W (8Ω, 20Hz to 20kHz) 75W + 75W (8Ω, 1kHz)
Total harmonic distortion:	0.02% (At rated output, 1kHz, 8Ω) 0.0015% (Rated output -3dB, 36W output, 1kHz, 8Ω)

Output bandwidth:	5Hz to 40kHz (Both channel drive, 8Ω)
Frequency response:	20Hz to 20kHz, +0 -0.1dB DC to 100 kHz, +0-3dB
S / N ratio:	115dB (IHF-A)
Residual noise:	100μV
Damping factor:	70 (8Ω)
Input sensitivity / Impedance:	1V / 50kΩ
Load impedance:	Main or Remote - 4Ω to 16Ω Main + Remote - 8Ω to 16Ω
[Preamp part]
Input sensitivity / Impedance:	Phono 1, 2 - 2.5mV / 27kΩ, 47kΩ / low, high Tuner, Aux, Tape deck 1, 2 - 200mV / 35kΩ
Total harmonic distortion rate:	0.01%
S / N ratio (IHF-A):	Phono 1, 2 - 88dB / 88dB Tuner, Aux - 106dB / 100dB
Frequency characteristics:	Phono 1, 2 - RIAA standard curve ±0.2dB, 20Hz to 20kHz Tuner, Aux - 20Hz to 20kHz, +0 -0.1dB
Phono maximum allowable input:	280mV (1kHz, RMS)
Rated output / impedance:	Pre out - 1V / 1kΩ (Rated), 9V / 1kΩ (Maximum) Rec out 1, 2 - 200mV
[Tone control]
Bass:	±7.5dB (50Hz)
Treble:	±7.5dB (20kHz)
Filter EQ:	Subsonic - 30Hz, -12dB / oct. High - 1 kHz, -6dB / oct.
Muting:	-14dB
Loudness control:	+8dB (100Hz, Volume -30 dB)

Power supply:	AC 100V, 50 / 60Hz
Power consumption:	172W
Dimensions (W x H x D):	450 x 140 x 371mm
Weight:	13.5kg
Year:	Around 1977

Technics SU-A80

Technic details

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