I have repaired a Delco 3206 Farm Set. The output from the 4 number //ll 48's is poor. Signal at the grids is the same as output from the anode.
Output voltages are correct.Anode currents are correct. Speaker is good and transformers etc are fine.
Any ideas please
Frank Doncaster England.
Frank,
Can you point us to a schematic diagram?
Radiodoc
Never mind pointing to the schematic - just remembered United Motors.
Radiodoc