Tube-number record
VHF TETRODE
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BrandGeneral Electric
ClassTransmitting Tube
BaseSpecial / none
Construction
Primary TypeTetrode
EnvelopeMetal and Ceramic
Base MaterialSilver-plated external parts
SectionsSingle
Filament / Heater
MaterialThoriated-tungsten
Warm-up Time30s
Absolute Maximum Ratings
Plate Voltage7000 V
Plate Dissipation25000 W
Grid 2 Voltage700 V
Cathode Current30000 mA
Audio Performance
Key Features
- Water and Forced-Air Cooled
- Thoriated-tungsten filament
- Grounded-grid circuits
- Metal and Ceramic Ring-seal construction
- No neutralization required
- Gain in excess of 10
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B Television Service (Synchronizing Level) | 6800 V | — | — | 20 | 7500 mA |
Application Notes
Designed for power amplifier or oscillator use in grounded-grid circuits up to 220 megacycles. Well suited for broadband television and dielectric-heating equipment.
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