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

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6BR8 vacuum tube outline illustration

Tube-number record

6BR8

0 archive entries

6BR8 is a tube type in the TubeDatabase archive (class: Triode-Pentode). Recorded specifications: brand General Electric, construction Other / special, base Glass, socket Noval (B9A), maximum plate voltage 300 V, and maximum plate dissipation 2.8 W. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassTriode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 450 mA

Construction

Primary TypeOther / special
EnvelopeT-6 1/2
Base MaterialGlass
SectionsTriode-Pentode

Filament / Heater

Heater NotesCoated Unipotential Cathode

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pentode Section250 V5200400000—10 mA
Triode Section150 V850050004018 mA

Application Notes

Intended for service as a combined triode oscillator and pentode mixer in VHF television tuners; suitable for general-purpose applications in both monochrome and color television receivers.

Datasheets

Datasheet: 6BR8.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

Filters

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Manufacturers

Brands

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    Plate Voltage300 V
    Plate Dissipation2.8 W
    Grid 2 Voltage300 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Sharp-cutoff pentode
    • Medium-mu triode
    • Miniature tube
    • Combined triode oscillator and pentode mixer