Vendo espectacular Amplificador Pioneer A-777 no estado em que as fotografias mostram.
Tem algumas marcas por baixo do botão do Power.

Specifications:
Power output: 100 watts per channel into 8Ω (stereo)
Frequency response: 1Hz to 150kHz
Total harmonic distortion: 0.007%
Damping factor: 150
Input sensitivity: 0.2mV (MC), 2.5mV (MM), 150mV (line)
Signal to noise ratio: 76dB (MC), 94dB (MM), 110dB (line)
Output: 150mV (line)
Dimensions: 420 x 435 x 162mm
Weight: 19kg
Year: 1991