This Technics (Monster) Receiver (2 x 80W) is very rare in the sale. Has therefore also not been tested. I am the first owner and an enthusiastic collector of precious HiFi equipment However, because of the available space, however, a number of devices are for sale, because it is quite full here. But not at any price! As above reported is the condition of the Technics SA-8500 x excellent. The technical specifications below: Tuning range: FM, MW Power output: 80W/ch (stereo), 28W/ch into 8Ω (quadraphonic) Frequency response: 7Hz to 70kHz Total harmonic distortion: 0.5% Damping factor: 20 Input sensitivity: 2mV (MM), 180mV (line) Signal to noise ratio: 70dB (MM), 90dB (line) Output: 180mV (line) Speaker load impedance: 4Ω to 16Ω Dimensions: (Wxhxd) 542x155x395mm Weight: 16,9 kg