Tube-number record
GK-12A
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ClassPower Triode
Construction
Primary TypeTriode
Envelopemetal-ceramic
Base Materialcopper
Sections1
Filament / Heater
Materialcarbonized thoriated tungsten
Absolute Maximum Ratings
Plate Voltage11000 V
Plate Dissipation25000 W
Grid 1 Voltage1000 V
Cathode Current7500 mA
Audio Performance
Power Output60000 W
Key Features
- Magnetically focused electron flux
- External copper anode
- Directly heated cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF generation and amplification | 10000 V | 45000 | — | 140 | 7500 mA |
Application Notes
Used for RF power generation and amplification in stationary RF equipment, mainly in electrothermic installations.
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