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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

GK-12A

0 archive entries

ClassPower Triode

Construction

Primary TypeTriode
Envelopemetal-ceramic
Base Material
copper
Sections1

Filament / Heater

Materialcarbonized thoriated tungsten

Absolute Maximum Ratings

Plate Voltage11000 V
Plate Dissipation25000 W
Grid 1 Voltage1000 V
Cathode Current7500 mA

Audio Performance

Power Output60000 W
Key Features
  • Magnetically focused electron flux
  • External copper anode
  • Directly heated cathode

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
RF generation and amplification10000 V45000—1407500 mA

Application Notes

Used for RF power generation and amplification in stationary RF equipment, mainly in electrothermic installations.

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