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)
DisclaimerA–Z indexSubmit a tube
DET 3 vacuum tube outline illustration

Tube-number record

DET 3

0 archive entries

DET 3 is a tube type in the TubeDatabase archive (class: Transmitting Triode). Recorded specifications: brand Marconi, construction Triode, base Not Specified, socket Flexible / flying leads, maximum plate voltage 3000 V, and maximum plate dissipation 250 W. The archive does not yet hold a photographed example of this type.

BrandMarconi
ClassTransmitting Triode
BaseFlexible / flying leads

Construction

Primary TypeTriode
EnvelopeGlass
Base MaterialNot Specified
SectionsSingle

Filament / Heater

MaterialThoriated Tungsten

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
RF Power Amplifier Class C Telegraphy3000 V60003166.6719300 mA
RF Amplifier Class C Grid Modulated3000 V60003166.6719130 mA
RF Amplifier Class C Anode Modulated2400 V60003166.6719

Application Notes

The valve must be mounted vertically with the anode seal either up or down. Designed for use at frequencies up to 3 Mc/s.

Datasheets

Datasheet: DET3.pdf

Download PDF
Loading datasheet...

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

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Plate Voltage3000 V
    Plate Dissipation250 W

    Audio Performance

    Key Features
    • Thoriated tungsten filament
    • Direct leads (10 inches long)
    • High power transmitter application
    230 mA
    RF Power Amplifier Class B Telephony3000 V60003166.6719120 mA