12-06-2013, 02:08 PM
Hi Jerry,
For the 480 volts I went from Plate to Filament, I checked across the #80 tube from one of the two ‘P’ pins to the opposite ‘F’ pin using DC.
Ok, I’ll start from the cathode (filament) of the 80 and see where I lose current.
For the 480 volts I went from Plate to Filament, I checked across the #80 tube from one of the two ‘P’ pins to the opposite ‘F’ pin using DC.
Ok, I’ll start from the cathode (filament) of the 80 and see where I lose current.