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Hitachi HA-4700

Stereo Integrated Amplifier

Documents

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Service manual
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Specifications

Power output
50 watts per channel into 8Ω (stereo)
Frequency response
10Hz to 70kHz
Total harmonic distortion
0.02%
Damping factor
40
Input sensitivity
0.15mV (MC), 2.5mV (MM), 150mV (line)
Signal to noise ratio
73dB (MC), 90dB (MM), 105dB (line)
Output
150mV (line)
Semiconductors
5 x IC, 67 x transistors, 71 x diodes
Dimensions
435 x 83 x 326mm
Weight
6.3 kg (13.9 lb)
Year
1980