WL-6567
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BrandWestinghouse
ClassHigh Vacuum Amplifier Triode
Construction
Primary TypeTriode
EnvelopeExternal Anode
Base MaterialWater-cooled jacketed assembly
Sections1
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation15000 W
Grid 1 Voltage-1200 V
Cathode Current2500 mA
Audio Performance
Typical THD4.8%
Power Output27000 W
Key Features
- Water-cooled anode
- Single phase thoriated tungsten filament
- Integral water jacket
- Maximum ratings apply up to 50 megacycles
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C Telegraphy (1) | 9000V | - | - | 33 | 1970mA |
| Class C Telegraphy (2) | 10000V | - | - | 33 | 1960mA |
| Class C Telegraphy (3) | 12000V | - | - | 33 | 1940mA |
| Class B Audio (Max Signal, 2 Tubes) | 10500V | - | 5600 | 33 | 4000mA |
Application Notes
The WL-6567 is a three-electrode tube designed for use as an oscillator or amplifier. External anode with integral water jacket is capable of dissipating 15 kilowatts.
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