Integrated Stereo Amplifier (1976-77)
The Sansui AU 3900 is an integrated stereo amplifier with the same specifications and same low distortion as the AU4900, but slightly reduced power: 25 watts per channel, minimum RMS, both channels driven at 1000Hz.
CR type tone control circuit with click stops.
Audio muting, high and low filters.
Control two sets of speaker systems, or both at once.
Mic mixing facility, plus full connections for auxiliary sources.
Power output: 22 watts per channel into 8Ω (stereo)
Frequency response: 10Hz to 40kHz
Total harmonic distortion: 0.15%
Damping factor: 50
Signal to noise ratio: 90dB (line)
Channel separation: 60dB (MM)
Dimensions: 400 x 120 x 240mm
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