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Sharp Optonica SM-4646H

Stereo Pre/Main Amplifier

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Sharp Optonica SM-4646H


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

Weight: 16kg


service manual   English - kingmace

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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!



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