Tube-number record
F-1091
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BrandITT
ClassTriode
Construction
Primary TypeTriode
EnvelopeCeramic-to-metal
SectionsSingle
Filament / Heater
MaterialThoriated tungsten mesh
Absolute Maximum Ratings
Plate Dissipation390000 W
Audio Performance
Power Output90000000 W
Key Features
- Thoriated tungsten cathode mesh construction
- Hard-tube modulator application
- Water jacket cooling
- World's most powerful conventional triode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Hard-tube modulator (Condition 1) | 65000 V | — | 62 | — | 900000 mA |
| Hard-tube modulator (Condition 2) | 55000 V | — | 29 | — | 1340000 mA |
Application Notes
Developed at ITT plant in Easton, Pennsylvania. Successfully tested at Rome Air Development Center high power laboratory.
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