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Vintage Stereo, Amplifier and Radio Restoration
title. Pioneer SX-990 AM/FM Receiver. 1970.
date of work. 2020
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 28 watts per channel.
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 20201204_130546 |  20201204_130538 |
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