Technics SU-7700

Stereo Integrated Amplifier (1976-79)
Power output: 50 watts per channel into 8Ω (stereo)
Frequency response: 5Hz to 80kHz
Total harmonic distortion: 0.06%
Damping factor: 60
Input sensitivity: 2.5mV (MM), 150mV (line)
Signal to noise ratio: 78dB (MM), 97dB (line)
Output: 150mV (line)
Speaker load impedance: 4Ω to 16Ω
Dimensions: 410 x 140 x 315mm
Weight: 7.2kg
Year: 1976