Sharp Optonica SM-4646H
Stereo Pre/Main Amplifier
Power output: 60 watts per channel into 8Ω (stereo)
Frequency response: 5Hz to 70kHz
Total harmonic distortion: 0.05%
Damping factor: 50
Input sensitivity: 2.5mV (MM), 150mV (line)
Signal to noise ratio: 70dB (MM), 90dB (line)
Output: 150mV (line), 30mV (DIN)
Semiconductors: 2 x IC, 39 x transistors, 8 x FET, 25 x diodes, 1 x LED
Dimensions: 442 x 144 x 363mm
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Reviewed Jan 23rd, 2015 by rickvl
Optonica is Very under rated. My SM-4646 is a Excellent integrated amp and is comparable if not better than any big name brand amp I've ever heard!