The Best, Biggest, and Baddest Receiver Pioneer Built: SX1980 Restored with upgraded Delta-9 Power Supply and Recapped tubes The original power supply board

The original power supply board also had some markings for transistor configuration as if somebody worked on the power supply at one time

I've enjoyed this turntable for about 3-4 hours

The original DC supply used a multi-voltage design with unreliable interchangeable prongs and I think this is a better solution

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The speed was inconsistent and the audio signal was hindered by an annoying 60hz hum

The Best, Biggest, and Baddest Receiver Pioneer Built: SX1980 Restored with upgraded Delta-9 Power Supply and Recapped tubes The original power supply boardThere are a few pieces of vintage audio equipment that are legendary; the SX1980 was the largest and most powerful receiver Pioneer created. Without a doubt, it is simply stunning. SX1980s don't come up for sale very often. When I was afforded the opportunity to purchase an example in excellent original condition, I couldn't resist. It sounded good and ran cool aside from dirty controls. After a few hours of testing I began a mild restoration to