FTS 8-1
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BrandBrown Boveri
ClassPower Triode
Construction
Primary TypeTriode
EnvelopeVapour-cooled
Base MaterialMetal/Glass
Sections1
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage10000 V
Plate Dissipation20000 W
Grid 1 Voltage-1000 V
Cathode Current20000 mA
Audio Performance
Power Output26000 W
Key Features
- Vapour-cooled anode
- Directly heated
- Thoriated tungsten filament
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C HF RF unmodulated | 3000V | 20000 | - | 30 | 20000mA |
Application Notes
Designed for industrial and communication applications, RF and AF. Tube mounting position: vertical, anode down.
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