Koncowka mocy Yamaha M-4
W pełni sprawna w oryginalnym stanie.

Specifications
Power output: 120 watts per channel into 8Ω (stereo)

Frequency response: 1Hz to 100kHz

Total harmonic distortion: 0.005%

Damping factor: 200

Input sensitivity: 1V

Signal to noise ratio: 118dB

Speaker load impedance: 4Ω to 8Ω

Semiconductors: 81 x transistors, 3 x IC, 2 x dual FET, 34 x diodes, 2 x bridged diodes, 2 x zener diodes, 28 x LED

Dimensions: 435 x 145.5 x 374.5mm

Weight: 18.5kg

Year: 1980