Tube-number record
TA 12/20
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BrandPhilips
ClassTriode
Construction
Primary TypeTriode
EnvelopeWater-cooled
SectionsSingle
Filament / Heater
MaterialTungsten
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation10400 W
Audio Performance
Key Features
- Water-cooled
- Tungsten cathode
- HF Power Triode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| HF class C telegraphy | 12000 V | — | — | — | 2700 mA |
| HF class B telephony | 12000 V | — | — | — | 1540 mA |
| HF class C anode modulation | 10000 V | — | — | — | 1400 mA |
Application Notes
Used as Modulator or HF amplifier.
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