Vintage Onkyo Super Servo Operation Integrated Stereo Amplifier model A-7040. Amp built like a tank and sound amazingly beautiful with big knobs and VU meter display. Unit has been revised all pits and potentiometers have been cleaned and deoxitized so expect a crack free sound. All pictures are original of this unit and part of description so what you see is what you get ! SPECS: Power output: 50 watts per channel into 8Ω (stereo) Frequency response: 15Hz to 50kHz Total harmonic distortion: 0.026% Damping factor: 45 Input sensitivity: 2.5mV (MM), 150mV (line) Signal to noise ratio: 80dB (MM), 90dB (line) Output: 150mV (line) Semiconductors: 22 x transistors, 10 x IC, 19 x diodes Dimensions: 418 x 124 x 396mm