Tube-number record
TAL 12/10
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BrandPhilips
ClassPower Triode
Construction
Primary TypeTriode
EnvelopeGlass/Metal
SectionsSingle
Filament / Heater
MaterialTungsten
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation4000 W
Audio Performance
Power Output17600 W
Key Features
- Forced air cooling
- Tungsten filament
- High power RF amplification
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| L.F. Class B amplification (two valves) | 10000 V | 7000 | — | 22 | 1730 mA |
| H.F. Class C telegraphy | 12000 V | 7000 | — | 22 | 1210 mA |
| H.F. Class B telephony | 8000 V | 7000 | — | 22 |
Application Notes
Used as H.F. amplifier with forced air cooling. Filament is two-phase tungsten.
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