Tube-number record
GI-46B
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GI-46B is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: construction Triode, base Metal, socket Flexible / flying leads, maximum plate voltage 1900 V, and maximum plate dissipation 350 W. The archive does not yet hold a photographed example of this type.
ClassTriode
BaseFlexible / flying leads
Filament12.6 V @ 2300 mA
Construction
Primary TypeTriode
EnvelopeMetal-ceramic
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialOxide-coated
Warm-up Time100s
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage1900 V
Plate Dissipation350 W
Cathode Current350 mA
Audio Performance
Key Features
- Forced air cooling
- Metal-ceramic construction
- Ring electrode leads
- Pulse and CW operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| CW Operation | 1500 V | 21500 | — | 166 | 350 mA |
| Pulsed Operation | 10000 V | — | — | — | 12000 mA |
Application Notes
The GI-46B triode generates and amplifies RF oscillations in continuous-wave and pulsed operation with anode modulation.
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