Tube-number record
PAW 12/15
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BrandPhilips
ClassPentode
Construction
Primary TypePentode
EnvelopeWater-cooled
Sections1
Filament / Heater
MaterialTungsten
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation15000 W
Grid 2 Voltage2000 V
Grid 1 Voltage-500 V
Audio Performance
Key Features
- Water-cooled
- High frequency amplifier
- Tungsten cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| HF class C telegraphy | 12000 V | 8000 | — | — | 2750 mA |
| HF class B telephony | 12000 V | — | — | — | 1120 mA |
| HF class C anode modulation | 8000 V | — | — | — | 1200 mA |
Application Notes
Specifically designed for HF amplification and telephony/telegraphy transmitters.
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