Tube-number record
GP-5
0 archive entries
GP-5 is a tube type in the TubeDatabase archive (class: Beam Triode). Recorded specifications: brand Svetlana, year 1998, construction Beam tetrode / beam power, base Magnoval, glass button, socket Magnoval, maximum plate voltage 30000 V, and maximum plate dissipation 37.5 W. The archive does not yet hold a photographed example of this type.
BrandSvetlana
ClassBeam Triode
BaseMagnoval
Filament6.3 V @ 210 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeGlass
Base MaterialMagnoval, glass button
SectionsSingle
Filament / Heater
Heater NotesHeater-cathode voltage, peak: 200V
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Nominal | 30000 V | 700 | — | 2750 | — |
Application Notes
The GP-5 is similar to the Telefunken ED500 and may be used to retrofit equipment which uses the American type 6BK4 or other high-voltage beam triodes.
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