Tube-number record
GM-3P
0 archive entries
GM-3P is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: construction Triode, maximum plate voltage 6000 V, and maximum plate dissipation 10000 W. The archive does not yet hold a photographed example of this type.
ClassPower Triode
Construction
Primary TypeTriode
EnvelopeGlass-to-metal
Sections1
Filament / Heater
MaterialCarbonized thoriated tungsten
Absolute Maximum Ratings
Plate Voltage6000 V
Plate Dissipation10000 W
Grid 1 Voltage-1500 V
Audio Performance
Key Features
- Forced cooling (evaporation for anode, air for stem)
- Low-frequency amplification
- Cathode-coupled amplifier compatibility
- Directly heated cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Basic Electrical Parameters | 2000 V | 22000 | — | 9 | 2000 mA |
Application Notes
Used in low-frequency no-distortion cathode-coupled amplifier circuits in stationary RF equipment.
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