4cx250b Amplifier Schematic

4cx250b Schematic Amplifier Coil

This voltage and current is maintained with a charging voltage of 14 volts from the alternator. The transformers shown are surplus. There are many similar ones available from the surplus dealers who advertise in 73. A small replacement transformer rated at 350 volts each side of center at 50 ma, 6-3 v at 4 amp and with a 1)5 v primary is used to furnish bias and screen voltages, The 6,3 volt winding becomes the primary and is connected to phase A at the center tap point of this transformer. The...