Tube-number record
GS-31B
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BrandUSSR
ClassTriode
Filament12.6 V @ 3.1 mA
Construction
Primary TypeTriode
Envelopemetal-ceramic
Base Materialmetal
Sections1
Filament / Heater
Heater NotesIndirectly heated, oxide-coated dispenser cathode
Absolute Maximum Ratings
Plate Voltage3000 V
Plate Dissipation1000 W
Grid 1 Voltage-400 V
Cathode Current1400 mA
Audio Performance
Key Features
- Forced air cooling
- Metal-ceramic construction
- Dispenser cathode
- Designed for decimetric and metric ranges
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grounded-grid generation/amplification | 2000 V | 22000 | — | — | 250 mA |
Application Notes
The GS-31B triode is intended for generation and amplification in grounded-grid circuits for continuous-wave operation.
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