Tube-number record
DET 19
0 archive entries
DET 19 is a tube type in the TubeDatabase archive (class: Low-power transmitting twin triode). Recorded specifications: brand Marconi, construction Dual triode, socket Noval (B9A), maximum plate voltage 300 V, and maximum plate dissipation 5 W. The archive does not yet hold a photographed example of this type.
BrandMarconi
ClassLow-power transmitting twin triode
BaseNoval (B9A)
Filament6.3 V @ 800 mA
Construction
Primary TypeDual triode
EnvelopeGlass
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation5 W
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Push-Pull RF Amplifier Class C Telegraphy | 300 V | 2100 | 3340 | 7 | 80 mA |
| Push-Pull Anode Modulated RF Amplifier Class C Telephony | 250 V | — | — | — | 50 mA |
| Push-Pull RF Amplifier Class B Telephony | 300 V | — | — | — |
Application Notes
The valve must be adequately ventilated as it becomes very hot under normal operating conditions. No visible heating of the anodes should occur.
Datasheets
Datasheet: DET19.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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