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

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6LT8 vacuum tube outline illustration

Tube-number record

6LT8

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6LT8 is a tube type in the TubeDatabase archive (class: Duplex-Diode Pentode). Recorded specifications: brand General Electric, construction Pentode, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 3 W. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassDuplex-Diode Pentode
BaseNoval (B9A)
Filament6.3 V @ 600 mA

Construction

Primary TypePentode
EnvelopeT-6 1/2 Glass
Sections3

Filament / Heater

Heater NotesHeater warm-up time: 11 seconds

Absolute Maximum Ratings

Plate Voltage330 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pentode Section125 V13000200000—10 mA

Application Notes

Operating Position: Any. Maximum Diameter: 0.875 inches. Maximum Over-all Length: 2.187 inches.

Datasheets

Datasheet: 6LT8.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 Dissipation3 W
    Grid 2 Voltage330 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Miniature tube
    • Contains pentode and two diodes
    • Intended for horizontal oscillator and AFC service