Double Tetrode
Gold Plated Pins
The General Electric ( G.E. ) 8643 Vacuum tube is a
double tetrode transmitting converter for 2 meter ham
band radios. They are driven by any 20 meter band exciter
or TR-6, oscillator injection from SC-2 converters.
These tubes are used in Drake TC-2 Transmitting
Converters among others.
Electrical Data:
Heater Voltage ............................... 13.5 V
Heater Current .................................. 1 A
Power out ................................. 180 Watts
Substitutes ............................ 97-136A02