Tube-number record
GK32
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BrandFerranti
ClassCold Cathode Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage140 V
Cathode Current20 mA
Audio Performance
Key Features
- Gas filled
- Miniature dimensions
- Pulse operation
- Low duty cycle
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pulse Operation / Relay | 135 V | — | — | — | — |
Application Notes
The anode supply switch should be shunted by a resistor of approximately 30 megohms to prevent surge effects.
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