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

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12VP4 vacuum tube outline illustration

Tube-number record

12VP4

0 archive entries

12VP4 is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: brand Sylvania, construction Triode, base Plastic, socket Duodecal, and maximum plate voltage 12900 V. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassCathode-Ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA

Construction

Primary TypeTriode
EnvelopeGlass
Base MaterialPlastic
SectionsSingle

Filament / Heater

Heater NotesAC or DC

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Picture Tube Operation11000 V————

Application Notes

The Type 12VP4 is a twelve inch magnetic-focus and magnetic-deflection direct-view picture tube for television applications. Heater negative with respect to cathode during warm-up period not to exceed 410V (15s max).

Datasheets

Datasheet: 12VP4.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 Voltage
    12900 V
    Grid 1 Voltage-125 V
    H-C Voltage125 V

    Audio Performance

    Key Features
    • Magnetic focus
    • Magnetic deflection
    • Direct-view picture tube
    • External conductive coating
    • External ion-trap magnet required