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

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EF183 vacuum tube outline illustration

Tube-number record

EF183

0 archive entries

EF183 is a tube type in the TubeDatabase archive (class: Variable-mu Frame Grid Pentode). Recorded specifications: construction Pentode, base Glass, socket Noval (B9A), maximum plate voltage 250 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.

ClassVariable-mu Frame Grid Pentode
BaseNoval (B9A)
Filament6.3 V @ 0.3 mA

Construction

Primary TypePentode
EnvelopeGlass
Base MaterialGlass
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A Amplifier170 V12500500000—12 mA
Class A Amplifier (200V)200 V12500500000—12 mA

Application Notes

Specifically designed for use as a variable-gain IF amplifier in television sets.

Datasheets

Datasheet: EF183.pdf

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

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Manufacturers

Brands

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    Plate Voltage250 V
    Plate Dissipation2.5 W
    Grid 2 Voltage250 V
    Grid 1 Voltage-50 V
    Cathode Current25 mA
    H-C Voltage150 V

    Audio Performance

    Key Features
    • High transconductance
    • Frame grid construction
    • Variable-mu characteristic