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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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Tube-number record

GL-862-A

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BrandGeneral Electric
ClassPliotron Power Triode

Construction

Primary Type
Triode
EnvelopeWater and forced-air cooled metal-glass
Sections1

Filament / Heater

MaterialTungsten

Absolute Maximum Ratings

Plate Voltage20000 V
Plate Dissipation100000 W
Grid 1 Voltage-3000 V
Cathode Current10000 mA

Audio Performance

Power Output90000 W
Key Features
  • Water cooled anode
  • Forced air cooled bulb
  • Capable of 100 kilowatts dissipation
  • Vertical mounting position

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class B Audio-Frequency Amplifier (Two Tubes)12000 V1720026164513000 mA
Class C Radio-Frequency Power Amplifier and Oscillator (Key-down)18000 V172002616458330 mA
Class C RF Power Amplifier - Plate Modulated12000 V172002616455000 mA

Application Notes

Plate series protective resistors of 10-50 ohms recommended depending on rectifier power output.

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