1 Cetron T-300 aka HF300, KU23 Vacuum Tube

200-Watt Transmitting Triode

The T-300 (aka HF-300, KU23) is a transmitting triode. It is used in broadcast transmitters and is often used in place of type 204A. The filament is rated at 11-12 volts, 4 amps. This tube type weighs 11 ounces and is 10-3/8 inches tall. Plate dissipation is rated at 200 watts. It has been transmitter tested and is producing full power.

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