TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
DisclaimerSubmit a tube

Tube-number record

191

0 archive entries

ClassReceiving Tube

Construction

Primary TypeTriode
EnvelopeGlass
Sections1

Filament / Heater

Absolute Maximum Ratings

Plate Voltage50 V

Audio Performance

Key Features
  • Filamentary Cathode
  • Triode

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation25 V——6—

Application Notes

Early low-power triode used in telephone and radio applications.

Filters

0 tubes found

Manufacturers

Brands

    0 results