Sony TA-AX500 Integrated Amplifier With Phono 80W VTG ES Series Silver. In great condition and tested works! Up for sale is a fantastic Sony TA-AX500 Integrated Stereo Amplifier. This classic piece of audio equipment is known for its high-quality sound reproduction and solid build quality. Whether you’re a vintage audio enthusiast or someone looking to upgrade their audio system, this amplifier is a great choice. Power output: 80 watts per channel into 8? (stereo) Frequency response: 5Hz to 100kHz Total harmonic distortion: 0.008% Damping factor: 50 Input sensitivity: 0.17mV (MC), 2.5mV (MM), 150mV (line) Signal to noise ratio: 75dB (MC), 86dB (MM), 100dB (line) Channel separation: 82dB (MM), 84dB (line) Output: 150mV (line) Speaker load impedance: 8? Dimensions: 430 x 130 x 365mm Weight: 11kg.