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

TRANSMITTING TRIODE

0 archive entries

ClassPower Triode
Base4-pin

Construction

Primary TypeTriode
EnvelopeGlass

Filament / Heater

Absolute Maximum Ratings

Plate Voltage1250 V
Plate Dissipation35 W
Grid 1 Voltage-400 V

Audio Performance

Power Output106 W
Key Features
  • High-power transmitting triode
  • Thoriated-tungsten filament

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class C Telegraphy1250 V———70 mA
Class C Telegraphy1000 V———70 mA
Class C Telegraphy750 V———70 mA

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Class C Telephony1000 V———70 mA
    Class B Telephony1250 V———42 mA
    Class B Modulator (Push-Pull)1250 V———160 mA