Tube-number record
GK10
0 archive entries
GK10 is a tube type in the TubeDatabase archive (class: Cold Cathode Triode). Recorded specifications: brand Ferranti, year 1955, construction Triode, socket Miniature 7-pin (B7G), and maximum plate voltage 150 V. The archive does not yet hold a photographed example of this type.
BrandFerranti
ClassCold Cathode Triode
BaseMiniature 7-pin (B7G)
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage150 V
Cathode Current7.5 mA
Audio Performance
Key Features
- Cold Cathode
- Gas-filled
- Miniature dimensions
- Relay Valve
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Relay Valve | 135 V | — | — | — | 0.004 mA |
Application Notes
The anode supply switch should be shunted by a resistor of approximately 30 megohms to prevent surge effects which would cause the valve to fire on switching.
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