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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

318

0 archive entries

BrandWestern Electric
ClassPower Triode
Base4-pin

Construction

Primary Type
Triode
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialThoriated Tungsten

Absolute Maximum Ratings

Plate Voltage1000 V
Plate Dissipation100 W
Grid 1 Voltage-200 V
Cathode Current250 mA

Audio Performance

Key Features
  • High power output
  • Thoriated-tungsten filament
  • External grid connection

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A Amplifier750 V3300450015150 mA

Application Notes

Designed for use as an oscillator or radio-frequency power amplifier.

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