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Vintage Stereo, Amplifier and Radio Restoration
title. Hitachi SR-604 AM/FM Receiver/Amplifier. 1979.
date of work. 2019
work. Cleaned. Replaced all capacitors (including filter capacitors) and problematic transistors. Balanced amplifier. Cleaned all controls. Replaced all lamps with low-power warm white LEDs. Rated at 35 watts, but tests at 40-42 watts.
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