Tube-number record
14D12
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BrandAssociated Electrical Industries Limited
ClassRadiation Cooled Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage6000 V
Plate Dissipation500 W
Grid 1 Voltage-1000 V
Cathode Current3000 mA
Audio Performance
Power Output500 W
Key Features
- Radiation cooled
- Graphite anode
- Directly heated filament
- Direct switching filament
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C r.f. power amplifier | 4000 V | 3600 | 6100 | 22 | 585 mA |
| Class C r.f. power amplifier | 5000 V | 3600 | 6100 | 22 | 530 mA |
| Class C r.f. power amplifier | 6000 V | 3600 | 6100 | 22 |
Application Notes
Intended for use in r.f. heating, modulating and transmitting equipment. Cooling is by low velocity air blast necessary under all conditions of valve service other than filament dissipation alone.
Datasheets
Datasheet: 14D12.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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