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

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6HC8 vacuum tube outline illustration

Tube-number record

6HC8

0 archive entries

6HC8 is a tube type in the TubeDatabase archive (class: Triode-Pentode). Recorded specifications: brand Sylvania, construction Other / special, socket Noval (B9A), maximum plate voltage 350 V, and maximum plate dissipation 11 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassTriode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 1200 mA

Construction

Primary TypeOther / special
EnvelopeT-9
SectionsTriode-Pentode

Filament / Heater

Heater NotesMaximum Heater Voltage Range: 5.7-6.9 Volts

Absolute Maximum Ratings

Plate Voltage350 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode Section250 V200034000681.4 mA
Pentode Section250 V5100550008.738 mA

Application Notes

Intended to serve the combined functions of vertical deflection oscillator and amplifier in television receivers.

Datasheets

Datasheet: 6HC8.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 Dissipation11 W
    Grid 2 Voltage315 V
    Grid 1 Voltage-275 V
    Cathode Current65 mA
    H-C Voltage200 V

    Audio Performance

    Key Features
    • 9-T9 design
    • Coated Unipotential Cathode
    • Increased heat dissipation safety margin