Hitachi HA-170 Amplifier 
Specifications
Power output: 20 watts per channel into 8Ω (stereo)
Frequency response: 15Hz to 30kHz
Total harmonic distortion: 0.1%
Damping factor: 34
Input sensitivity: 3mV (MM), 150mV (line)
Signal to noise ratio: 69dB (MM), 85dB (line)
Output: 150mV (line)
 
Dimensions: 390 x 143 x 279mm
 
Weight: 6.5kg