Tube-number record
25Z6-GT
0 archive entries
25Z6-GT is a tube type in the TubeDatabase archive (class: High-Vacuum Rectifier Doubler). Recorded specifications: brand General Electric, construction Rectifier, base Phenolic, socket Octal, and maximum plate voltage 235 V. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassHigh-Vacuum Rectifier Doubler
BaseOctal
Filament25 V @ 300 mA
Construction
Primary TypeRectifier
Rectifier Typehigh-vacuum
EnvelopeT-9 Glass
Base MaterialPhenolic
Sectionstwin
Filament / Heater
Heater NotesA-C or D-C
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Half-Wave Rectifier | 117 V | — | 15 | — | 75 mA |
| Half-Wave Voltage Doubler | 117 V | — | 40 | — | 75 mA |
| Full-Wave Voltage Doubler | 117 V | — | 100 | — | 75 mA |
Application Notes
Designed for use in the power supply of a-c or a-c/d-c receivers.
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