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

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6BY4 vacuum tube outline illustration

Tube-number record

6BY4

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6BY4 is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand General Electric, construction Triode, base metal-ceramic, socket Special / none, maximum plate voltage 300 V, and maximum plate dissipation 1.1 W. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassTriode
BaseSpecial / none
Filament6.3 V @ 250 mA

Construction

Primary TypeTriode
Envelopeceramic
Base Materialmetal-ceramic
Sectionssingle

Filament / Heater

Heater NotesAC or DC

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A Amplifier200 V6000167001005 mA
Grounded-Grid Amplifier—900 Megacycles200 V———5 mA

Application Notes

Designed primarily for use as a grounded-grid radio-frequency amplifier in combined UHF-VHF television tuners.

Datasheets

Datasheet: 6BY4.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 Dissipation1.1 W
    Cathode Current5.5 mA
    H-C Voltage50 V

    Audio Performance

    Key Features
    • Ceramic high-mu triode
    • Parallel-plane construction
    • Excellent isolation between input and output circuits
    • Low lead inductances
    • Low interelectrode capacitances
    • Short transit time
    • Extremely high ratio of transconductance to plate current