Tube-number record
BR179
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BR179 is a tube type in the TubeDatabase archive (class: Transmitting Triode). Recorded specifications: brand Marconi, construction Triode, maximum plate voltage 8500 V, and maximum plate dissipation 8000 W. The archive does not yet hold a photographed example of this type.
BrandMarconi
ClassTransmitting Triode
Construction
Primary TypeTriode
EnvelopeGlass and Metal
Sectionssingle
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage8500 V
Plate Dissipation8000 W
Audio Performance
Key Features
- forced-air-cooled
- thoriated tungsten filament
- suction air cooling
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Operation | 5000 V | 10000 | — | 28 | 1000 mA |
Application Notes
All air supplies must be started before application of supply voltage and continued for at least one minute after removal. Volume of air for seals should be approx 15 cu. ft. per minute.
Datasheets
Datasheet: BR179.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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