Vintage Sony TA-F4A Integrated Stereo Amplifier (1979). The Sony TA-F4A amplifier delivers 40 watts per channel (8 ohm) This amplifier has a flawless sound and is completely cleaned. VU meters work perfectly, so do the lighting. The front looks very neat. The top is a little scratched. The photos are part of the description. Specifications Sony TA-F4A amplifier: - Phono, Tuner, Aux, Tape 1 (Rec / Play), Tape 2 (Rec / Play), Speaker A + B, Tone Control - Power output: 40 watts per channel into 8Ω (stereo) - Frequency response: 5Hz to 100kHz - Total harmonic distortion: 0.3% - Damping factor: 35 - Input sensitivity: 2.5mV (MM), 150mV (line) - Signal to noise ratio: 80dB (MM), 100dB (line) - Output: 150mV (line), 17mV (DIN) - Speaker load impedance: 8Ω to 16Ω - Dimensions (W x H x D): 410 x 145 x 310 mm The photos are part of the description.