JVC (Japan Victor Company) JA-S22

Power output: 40 watts per channel into 8Ω (stereo)

Frequency response: 5Hz to 100kHz
Total harmonic distortion: 0.01%
Damping factor: 30
Input sensitivity: 2.5mV (MM), 160mV (line)
Signal to noise ratio: 80dB (MM), 100dB (line)
Output: 160mV (line)
Speaker load impedance: 4Ω to 16Ω
Dimensions: 149 x 420 x 334mm
Weight: 8.4kg
Year: 1978