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

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6LQ8 vacuum tube outline illustration

Tube-number record

6LQ8

0 archive entries

6LQ8 is a tube type in the TubeDatabase archive (class: Triode-Pentode). Recorded specifications: brand RCA, construction Pentode, base Small-Button Noval 9-Pin, socket Noval (B9A), maximum plate voltage 300 V, and maximum plate dissipation 5 W. The archive does not yet hold a photographed example of this type.

BrandRCA
ClassTriode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 775 mA

Construction

Primary TypePentode
EnvelopeT6-1/2
Base MaterialSmall-Button Noval 9-Pin
Sections2

Filament / Heater

Heater NotesBogey value

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode Unit125 V1040044004615 mA
Pentode Unit (Condition 1)125 V2100055000—16.5 mA
Pentode Unit (Condition 2)200 V2300075000—20 mA

Datasheets

Datasheet: 6LQ8.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 Dissipation5 W
    Grid 2 Voltage300 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • RCA Dark Heater
    • Frame-grid construction
    • High Operating Efficiency
    • Controlled knee characteristic