BW 137
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BrandMarconi
ClassHF Amplifier and Oscillator Triode
Construction
Primary TypeTriode
EnvelopeCooled-anode
Filament / Heater
MaterialTungsten
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation40000 W
Audio Performance
Key Features
- Single-ended cooled-anode
- Tungsten filament
- Water-cooled anode
- Air-cooled grid and filament seals
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| HF AMPLIFIER AND OSCILLATOR | 9000V | - | - | 40 | 2000mA |
Application Notes
The anode forms part of the valve envelope and is designed for cooling by water circulated in direct contact with the envelope. The external grid and filament seals require air cooling through a nozzle.
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