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

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6SL7GT vacuum tube outline illustration

Tube-number record

6SL7GT

0 archive entries

6SL7GT is a tube type in the TubeDatabase archive (class: High-Mu Twin Triode). Recorded specifications: brand Brimar, construction Triode, socket Octal, maximum plate voltage 300 V, and maximum plate dissipation 1 W. The archive does not yet hold a photographed example of this type.

BrandBrimar
ClassHigh-Mu Twin Triode
BaseOctal
Filament6.3 V @ 300 mA

Construction

Primary TypeTriode
Envelopeglass
Sectionsdual

Filament / Heater

Heater NotesIndirectly heated cathode

Absolute Maximum Ratings

Plate Voltage300 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A1 Amplifier250 V160044000702.3 mA

Application Notes

Widely used in high-gain audio preamplifiers and phase splitter circuits.

Datasheets

Datasheet: 6SL7GT.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 Dissipation1 W
    Grid 1 Voltage-50 V
    Cathode Current10 mA
    H-C Voltage90 V

    Audio Performance

    Key Features
    • High amplification factor
    • Dual triode construction
    • Commonly used in phase inverters