4CX1000A / 8168

Beam Power Tetrode vacuum tube - Cermet VHF transmitting tetrode - Breech-block base - Integral radiator - Used in Gates FM-1H3 and FM-1K1kW FM transmitters - 9.5 to 11.5 A heater current at 6.0 V - 4 kV max anode voltage - 1 kW plate dissipation with forced-air cooling