EH Scott Radio Enthusiasts

The Fine Things are Always Hand Made

Joe Miller's Blog – July 2016 Archive (1)

Philly Amp wiring

I am working on a Philly amp and am finding a number of wiring mods that deviate from the schematic. Some are due to someone bypassing a bad audio transformer and for adding a second phone plug input with volume/mixing pots.

But I also found a 125 ohm Candohm type resistor that is factory mounted to the side of the amp chassis. It is connected in series to the cap connected to pin 6 of the set plug socket and then tied to ground. It doesn't show on the schematics that I…

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Added by Joe Miller on July 20, 2016 at 9:57pm — 1 Comment

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