Tube-number record
GI-50A
0 archive entries
GI-50A is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand USSR, construction Triode, base copper anode, socket Flexible / flying leads, maximum plate voltage 32000 V, and maximum plate dissipation 40000 W. The archive does not yet hold a photographed example of this type.
BrandUSSR
ClassTriode
BaseFlexible / flying leads
Construction
Primary TypeTriode
Envelopemetal-ceramic
Base Materialcopper anode
Filament / Heater
Materialcarbonized thoriated tungsten
Warm-up Time15s
Absolute Maximum Ratings
Plate Voltage32000 V
Plate Dissipation40000 W
Grid 1 Voltage-450 V
Audio Performance
Key Features
- forced water cooling
- metal-ceramic envelope
- wide-band signal amplifier
- thoriated tungsten cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| pulse | 26000 V | 75000 | — | 37 | 350000 mA |
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