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BrandRCA
ClassPower Triode
BaseTerminal Post Chuck Connectors

Construction

Primary TypeTriode
EnvelopeGlass and Water-Cooled Plate
Base MaterialMetal terminals
Sections1

Filament / Heater

MaterialTungsten

Absolute Maximum Ratings

Plate Voltage10500 V
Plate Dissipation20000 W
Grid 1 Voltage-1200 V
Cathode Current35000 mA

Audio Performance

Power Output46000 W
Key Features
  • Water cooled
  • Forced-air cooled
  • High power output
  • Tungsten filament

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
AF Power Amplifier & Modulator - Class B (Values for 2 tubes)10000V-3100207000mA
RF Power Amplifier - Class B Telephony10000V--202750mA
RF Power Amplifier & Oscillator - Class C Telegraphy10000V--204500mA

Application Notes

The filament current should never exceed 480 amperes, even momentarily. Water flow must start before application of any voltages.

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