Tube-number record
WL-7371
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BrandWestinghouse
ClassLinear Beam-Power Pentode
Base7-pin (non-miniature)
Construction
Primary TypePentode
Envelopeglass
Sectionssingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage2000 V
Plate Dissipation75 W
Grid 2 Voltage600 V
Grid 1 Voltage-200 V
Cathode Current175 mA
Audio Performance
Power Output210 W
Key Features
- Radiation cooled anode
- Vane-type suppressor grid
- High-perveance design
- High power sensitivity
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class AB1 Linear Amplifier (SSB) | 2000 V | 4500 | — | — | 175 mA |
| Class AB1 Linear Amplifier (SSB) | 1500 V | — | — | — | 175 mA |
| Class C Amplifier (CW or FM) | 2000 V | — | — | — |
Application Notes
Designed for service in linear amplifier stages of Single-Sideband-Suppressed-Carrier transmitters. Cooling requires unrestricted convection below 160 Mc and 15 CFM air flow on anode seal above 160 Mc.
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