TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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)
DisclaimerSubmit a tube

Tube-number record

7026

0 archive entries

BrandFederal Telephone and Radio Corporation
ClassHigh Vacuum Triode

Construction

Primary TypeTriode
Envelope
Forced-air cooled
SectionsSingle

Filament / Heater

MaterialThoriated Tungsten

Absolute Maximum Ratings

Plate Voltage3000 V
Plate Dissipation1000 W
Grid 1 Voltage-800 V
Cathode Current1000 mA

Audio Performance

Power Output1570 W
Key Features
  • Power Amplifier
  • Oscillator
  • High Vacuum

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Oscillator (No Amplitude Modulation)3000 V20000—17750 mA

Application Notes

Characteristics for oscillator operation specified for no amplitude modulation. Frequency for maximum ratings is 150 MHz.

Filters

0 tubes found

Manufacturers

Brands

    0 results