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

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18045 vacuum tube outline illustration

Tube-number record

18045

0 archive entries

18045 is a tube type in the TubeDatabase archive (class: Output Pentode). Recorded specifications: brand PHILIPS, construction Pentode, socket Noval (B9A), maximum plate voltage 210 V, and maximum plate dissipation 4.5 W. The archive does not yet hold a photographed example of this type.

BrandPHILIPS
ClassOutput Pentode
BaseNoval (B9A)
Filament18 V @ 135 mA

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesIndirect by A.C. or D.C.; Parallel or series supply

Absolute Maximum Ratings

Plate Voltage210 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Output Pentode210 V110003000003620 mA
Pre-amplifier210 V10000400000—15 mA

Datasheets

Datasheet: 18045.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 Dissipation4.5 W
    Grid 2 Voltage210 V
    Grid 1 Voltage-1.1 V
    Cathode Current30 mA
    H-C Voltage120 V

    Audio Performance

    Typical THD5%
    Power Output1 W
    Key Features
    • SQ (Special Quality)
    • Long life > 10,000 hours
    • Designed for telephone equipment