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

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18014 vacuum tube outline illustration

Tube-number record

18014

0 archive entries

18014 is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: brand Philips, construction Pentode, maximum plate voltage 220 V, and maximum plate dissipation 7 W. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassPentode
Filament— V @ 1 mA

Construction

Primary TypePentode
EnvelopeGlass

Filament / Heater

Heater NotesIndirect heating by A.C. or D.C.; parallel supply

Absolute Maximum Ratings

Plate Voltage220 V
Plate Dissipation7 W

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical characteristics200 V8000500002035 mA
Pre-amplifier200 V800050000—35 mA
Output valve200 V800050000—35 mA

Datasheets

Datasheet: 18014.pdf

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

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    Grid 2 Voltage220 V
    Grid 1 Voltage-1.3 V
    Cathode Current50 mA
    H-C Voltage50 V

    Audio Performance

    Typical THD3%
    Power Output0.8 W
    Key Features
    • For use in telephone equipment
    • Indirectly heated