Tube-number record
GM-26
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ClassTriode
Construction
Primary TypeTriode
Envelopeglass-to-metal
Sections1
Filament / Heater
Materialcarbonized thoriated tungsten
Warm-up Time30s
Absolute Maximum Ratings
Plate Voltage8000 V
Plate Dissipation3500 W
Grid 1 Voltage-500 V
Audio Performance
Key Features
- forced air cooling
- directly heated cathode
- metal-glass construction
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Regulator Service | 4000 V | 16000 | — | 55 | 700 mA |
Application Notes
The GM-26 triode is used in electronic current and voltage regulators in RF equipment.
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