Tube-number record
WL-7463
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BrandWestinghouse
ClassTriode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeGlass/Metal
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation12000 W
Grid 1 Voltage-1200 V
Cathode Current2500 mA
Audio Performance
Typical THD3%
Power Output27000 W
Key Features
- Forced Air Cooling
- Single phase thoriated tungsten filament
- High Vacuum
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C Telegraphy | 12000 V | — | — | 33 | 1940 mA |
| Class B Audio Frequency (Two Tubes) | 10500 V | — | 5600 | 33 | 4000 mA |
Application Notes
Required air flow through radiator is 1100 CFM for 12KW dissipation at 1.4 inches water static pressure. Allowance must be made for grid circuit losses.
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