Specs Power output : 39 watts per channel into 8 Ohm (stereo) Frequency response : 20 Hz to 40 kHz Tuning range : FM, MW Total harmonic distortion : 0.8% Damping factor : 24 Input sensitivity : 2.5mV (MM), 150mV (line) Signal to noise ratio : 70dB (MM), 80dB (line) Channel separation : 45dB (MM), 50dB (line) Output : 150mV (line), 30mV (DIN) Speaker load impedance: 4 Ohm to 16 Ohm Semiconductors : 1 x FET, 4 x IC, 45 x transistors, 27 x diodes, 2 x zener diodes Dimensions : 462 x 147 x 335 mm Weight : 13.1 kg Year : 1971