Sony TA-F3a Integrated Stereo Amplifier (1977-79) This amp is in near perfect/spotless condition. As close to mint as you are going to get. This era of Sony amps is known for its outstanding build quality. Simply put, this is a great piece. Similar to pioneer, luxman, Sansui, marantz etc Price is fair and firm. Power output: 50 watts per channel into 8Ω (stereo) Frequency response: 10Hz to 60kHz Total harmonic distortion: 0.5% Damping factor: 30 Input sensitivity: 2.5mV (MM), 150mV (line) Signal to noise ratio: 75dB (MM), 95dB (line) Output: 150mV (line) Speaker load impedance: 8Ω to 16Ω Semiconductors: 34 x transistors, 16 x diodes Dimensions: 410 x 145 x 370mm Weight: 9.5kg