Sansui - C-77 Audio amplifier

Sansui C-77 class preamplifier with MM and MC phono stage
With a motor-driven fader

Can be operated manually and automatically
The color on the display indicates the position.

Specs
Frequency response: 5 Hz to 70 kHz
Total harmonic distortion: 0.03%
Input sensitivity: 7 mV (mic), 0.18 mV (MC), 2.5 mV (MM), 150 mV (line)
Signal-to-noise ratio: 60 dB (MC), 80 dB (MM), 90 dB (line)
Output: 150 mV (line), 1 V (pre-out)
Dimensions: 430 x 74 x 247 mm
Weight: 3.1 kg