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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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12FQ8 vacuum tube outline illustration

Tube-number record

12FQ8

0 archive entries

12FQ8 is a tube type in the TubeDatabase archive (class: Twin Double-Plate Triode). Recorded specifications: brand General Electric, year 1960, construction Triode, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 0.5 W. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassTwin Double-Plate Triode
BaseNoval (B9A)
Filament12.6 V @ 150 mA

Construction

Primary TypeTriode
EnvelopeT-6 1/2 Glass
Sections2

Filament / Heater

Heater NotesAC or DC

Absolute Maximum Ratings

Plate Voltage330 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Each Section, Each Plate250 V125076000951.5 mA

Application Notes

Miniature twin double-plate triode with each section having a grid and two plates brought out to separate base pins.

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Manufacturers

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    Plate Dissipation
    0.5 W
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Twin double-plate triode
    • Separate base pins for each plate