Rotel RA1000 Amplifier 
 
Specifications
Power output: 40 watts per channel into 8Ω (stereo)
Frequency response: 5Hz to 70kHz
Total harmonic distortion: 0.03%
Damping factor: 50
Input sensitivity: 0.12mV (MC), 2.5mV (MM), 150mV (line)
Signal to noise ratio: 65dB (MC), 75dB (MM), 90dB (line)
Dimensions: 430 x 98 x 290mm
Weight: 7.1kg
Year: 1980