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

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6KU8 vacuum tube outline illustration

Tube-number record

6KU8

0 archive entries

6KU8 is a tube type in the TubeDatabase archive (class: Receiving Tube). Recorded specifications: brand Sylvania, construction Pentode, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 5 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassReceiving Tube
BaseNoval (B9A)
Filament6.3 V @ 725 mA

Construction

Primary TypePentode
EnvelopeT-9
SectionsTriple (1 Pentode, 2 Diodes)

Filament / Heater

Heater NotesParallel Operation

Absolute Maximum Ratings

Plate Voltage330 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pentode Section200 V2000050000—17 mA

Datasheets

Datasheet: 6KU8.pdf

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

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    Plate Dissipation5 W
    Grid 2 Voltage330 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Strap frame grid
    • Sharp cutoff pentode
    • Video amplifier service
    • Horizontal phase detectors