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

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12SK7GT vacuum tube outline illustration

Tube-number record

12SK7GT

0 archive entries

12SK7GT is a tube type in the TubeDatabase archive (class: Remote-cutoff Pentode). Recorded specifications: brand Hytron Corporation, construction Pentode, base Metal sleeve, socket Octal, maximum plate voltage 300 V, and maximum plate dissipation 4 W. The archive does not yet hold a photographed example of this type.

BrandHytron Corporation
ClassRemote-cutoff Pentode
BaseOctal
Filament12.6 V @ 150 mA

Construction

Primary TypePentode
EnvelopeT-9
Base MaterialMetal sleeve
SectionsSingle

Filament / Heater

Heater NotesAC or DC

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A1 Amplifier250 V2300800000—9.2 mA
Class A1 Amplifier100 V2000250000—9.2 mA

Datasheets

Datasheet: 12SK7GT.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 Dissipation4 W
    Grid 2 Voltage125 V
    H-C Voltage90 V

    Audio Performance

    Key Features
    • Single ended
    • Internal shield
    • Bantam type
    • Remote-cutoff