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zenith zd31

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    A Zenith 7D30 (7D31 family) Console Tube Amp Troubleshooting Thread...

    Hello everyone, First let me say that I am very new to audio and tube based electronics. With that said, I recently recapped my first tube amp and preamp in a 59 Zenith SFD220. I also replaced every resistor as there were many pretty far out of spec. This is the "weird" Zenith, as I have come...
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