Marantz SM-80 Amplifier Repair & Restoration

In this second of two articles on the Marantz SC-80 and SM-80, we look at the SM-80 power amplifier and a tricky repair and restoration bringing this amplifier back to full working condition. The Marantz SM-80 stereo power amplifier is a reasonably powerful, well-made, mid-range consumer amplifier from around 1990.…

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