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

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Tube-number record

6BF7A

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6BF7A is a tube type in the TubeDatabase archive (class: Double Triode). Recorded specifications: brand Sylvania, construction Dual triode, base Glass, socket Subminiature, maximum plate voltage 120 V, and maximum plate dissipation 1.1 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassDouble Triode
BaseSubminiature
Filament6.3 V @ 300 mA

Construction

Primary TypeDual triode
EnvelopeT-3
Base MaterialGlass
Sections2

Filament / Heater

Heater NotesAC or DC

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A Amplifier100 V48007291.67358 mA

Application Notes

Designed for service where severe conditions of mechanical shock and vibration are encountered.

Datasheets

Datasheet: 6BF7A.pdf

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

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    Plate Voltage
    120 V
    Plate Dissipation1.1 W
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Subminiature
    • Severe shock resistance
    • Vibration resistance
    • Medium-mu