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

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6BJ8 vacuum tube outline illustration

Tube-number record

6BJ8

0 archive entries

6BJ8 is a tube type in the TubeDatabase archive (class: Miniature Medium Mu Triode - Double Diode). Recorded specifications: brand Sylvania, construction Triode, base Small Button 9-Pin, socket Noval (B9A), maximum plate voltage 300 V, and maximum plate dissipation 3.5 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassMiniature Medium Mu Triode - Double Diode
BaseNoval (B9A)
Filament6.3 V @ 600 mA

Construction

Primary TypeTriode
EnvelopeT-6 1/2
Base MaterialSmall Button 9-Pin

Filament / Heater

Warm-up Time11s
Heater NotesControlled heater warm-up time for series string receivers

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode Class A Amplifier90 V470047002215 mA
Triode Class A Amplifier250 V28007150208 mA

Application Notes

Intended for use as a phase splitter, phase comparator and horizontal deflection oscillator in series string receivers.

Datasheets

Datasheet: 6BJ8.pdf

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

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Brands

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    Plate Voltage300 V
    Plate Dissipation3.5 W
    Cathode Current20 mA
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Controlled heater warm-up time
    • Separate cathode connections for each section
    • Medium mu triode