In Near-Mint condition this lovely vintage Yamaha Stereo Pre-Main amplifier made in Japan in 1975. The unit in in pristine condition and works flawlessly. Unit has been tested and fully operational. Adapter cables will be provided especially for speakers inputs there will be two cables provided and Din to Aux where you can connect your cd player or tuner to the unit. All pictures are original of this unit and part of description so what you see is what you get ! SPECS: Power output: 20 watts per channel into 8Ω (stereo) Frequency response: 20Hz to 50kHz Total harmonic distortion: 0.1% Damping factor: 50 Input sensitivity: 3mV (mic), 3mV (MM), 150mV (line) Signal to noise ratio: 70dB (mic), 75dB (MM), 90dB (line) Channel separation: 50dB (MM), 50dB (line) Output: 150mV (line), 30mV (DIN), 0.45V (Pre out) Semiconductors: 31 x transistors, 9 x diodes, 1 x zener diodes, 2 x IC Dimensions: 436 x 144 x 300mm