Tube-number record
POWER AMPLIFIER TRIODE
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POWER AMPLIFIER TRIODE is a tube type in the TubeDatabase archive (class: Power Tube). Recorded specifications: brand Westinghouse, year 1959, construction Triode, maximum plate voltage 17500 V, and maximum plate dissipation 70000 W. The archive does not yet hold a photographed example of this type.
BrandWestinghouse
ClassPower Tube
Construction
Primary TypeTriode
EnvelopeGlass/Metal
Sections1
Filament / Heater
MaterialThoriated Tungsten
Warm-up Time15s
Absolute Maximum Ratings
Plate Voltage17500 V
Plate Dissipation70000 W
Grid 1 Voltage-2400 V
Cathode Current15000 mA
Audio Performance
Key Features
- Water cooled anode
- Thoriated tungsten filament
- High vacuum
- Frequency derating for 20MHz and 30MHz
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radio Frequency Power Amplifier and Oscillator Class C Telegraphy | 17000 V | — | — | 37 | 10600 mA |
Application Notes
The WL-5986 is designed for use as an oscillator or amplifier. Maximum ratings apply up to 15 megacycles. For higher frequencies, reduced plate voltage and power input are required along with increased air flow cooling up to 250 CFM.
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