Vintage Sansui Stereo amplifier June 3, 2019 by mercury Sansui Stereo Amp model AU6600 MNMPower output: 42 watts per channel into 8Ω (stereo) Frequency response: 10Hz to 40kHz Total harmonic distortion: 0.15% Damping factor: 30 Input sensitivity: 2.5mV …