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

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Tube-number record

14D12

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BrandAssociated Electrical Industries Limited
ClassRadiation Cooled Triode
BaseSpecial / none

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialThoriated tungsten

Absolute Maximum Ratings

Plate Voltage6000 V
Plate Dissipation500 W
Grid 1 Voltage-1000 V
Cathode Current3000 mA

Audio Performance

Power Output500 W
Key Features
  • Radiation cooled
  • Graphite anode
  • Directly heated filament
  • Direct switching filament

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class C r.f. power amplifier4000 V3600610022585 mA
Class C r.f. power amplifier5000 V3600610022530 mA
Class C r.f. power amplifier6000 V3600610022

Application Notes

Intended for use in r.f. heating, modulating and transmitting equipment. Cooling is by low velocity air blast necessary under all conditions of valve service other than filament dissipation alone.

Datasheets

Datasheet: 14D12.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    500 mA