Documenting history as well as my experiences with repairing and restoring vintage guitars.

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 This is a scan from Set 42 of the Howard W. Sams & Co. Photofact series. It includes the schematic as well as a description of the part...

1940s Kay Model 77 Amplifier Schematic

 This is a scan from Set 42 of the Howard W. Sams & Co. Photofact series. It includes the schematic as well as a description of the parts and values that go into making the amplifier. 

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