Tube-number record
6961
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BrandStandard Telephones and Cables Limited (ITT)
ClassV.H.F. Power Triode
Construction
Primary TypeTriode
EnvelopeGlass/Metal
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage7200 V
Plate Dissipation6000 W
Grid 1 Voltage1250 V
Cathode Current2200 mA
Audio Performance
Power Output20000 W
Key Features
- Forced Air Cooled
- Thoriated tungsten filament
- Industrial Heating Oscillator
- A.F. Amplifier
- V.H.F. Operation up to 85MHz
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C Telegraphy | 6500 V | 15000 | — | 32 | 2000 mA |
Application Notes
The tube must not be operated without a heat dissipating connector on the filament mid-point pin. At frequencies above 30MHz, the filament pins should be decoupled to the centre tap by suitable capacitors.
Datasheets
Datasheet: 6961.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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