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Hitachi HA-610

Integrated Amplifier (1976-78)

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Hitachi HA-610


Power output: 70 watts per channel into 8Ω (stereo)

Frequency response: 7Hz to 70kHz

Total harmonic distortion: 0.3%

Damping factor: 60

Input sensitivity: 2mV (MM), 100mV (line)

Signal to noise ratio: 70dB (MM), 90dB (line)

Output: 100mV (line), 30mV (DIN), 0.8V (Pre out)

Speaker load impedance: 4Ω to 16Ω

Semiconductors: 4 x FET, 55 x transistors, 29 x diodes

Dimensions: 435 x 144 x 388mm

Weight: 12kg

Year: 1975


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Reviewed Mar 10th, 2019 by peshexod

Beautiful, purebred aristocrat.



re: HA-610

Recently, I bought such an amplifier on Ebey. He had a good appearance and 0 functions. After replacing defective parts, cleaning contacts, lubricating moving parts and installing modes as described in the service manual, it began to work. Works like a big beast. It was amazing to hear such a powerful sound from such an old amplifier. The sound is dense, with good articulation of small parts. Wide construction of the sound stage with the exact localization of the performers. On complex musical works, the sound does not fall into an unintelligible mess. And bass! Huge, round and tight, this bass is crazy ... I have a lot of amplifiers, but no one can compare with this bass. This amplifier wants to listen for a long time, it does not tire at all. And yet, he is very beautiful.

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