Sharp Optonica SM-3636H (B)

Power output: 40 watts per channel into 8Ω (stereo)
Frequency response: 10Hz to 70kHz
Total harmonic distortion: 0.05%
Damping factor: 40
Input sensitivity: 2.5mV (MM), 150mV (line)
Signal to noise ratio: 70dB (MM), 90dB (line)
Output: 150mV (line), 30mV (DIN)
Speaker load impedance: 4Ω (minimum)
Semiconductors: 2 x IC, 22 x transistors, 4 x FET, 23 x diodes
Dimensions: 442 x 144 x 363mm
Weight: 14.5kg