Tube-number record
14GT8
0 archive entries
14GT8 is a tube type in the TubeDatabase archive (class: Duplex-Diode Triode). Recorded specifications: brand General Electric, year 1959, construction Triode, base Glass, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 1.1 W. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassDuplex-Diode Triode
BaseNoval (B9A)
Filament14 V @ 150 mA
Construction
Primary TypeTriode
EnvelopeT-6 1/2 Glass
Base MaterialGlass
Sections3
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 250 V | 1000 | 72000 | 72 | 0.7 mA |
Application Notes
The 14GT8 is a duplex-diode, high-mu triode with separate cathodes for each of the diode sections and the triode section. The tube is primarily designed for use as an FM detector and AF voltage amplifier.
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