03-25-2014, 12:16 PM
Sounds like you may have an open antenna coil. If you receive signals well at the grid cap of the 6A8 but not the antenna input, then the coil is the prime suspect.
Try measuring the resistances of the ant coil windings. The readings are printed on the schematic next to the respective windings.
Try measuring the resistances of the ant coil windings. The readings are printed on the schematic next to the respective windings.