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

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12YP4 vacuum tube outline illustration

Tube-number record

12YP4

0 archive entries

12YP4 is a tube type in the TubeDatabase archive (class: Cathode-Ray Picture Tube). Recorded specifications: brand Thomas Electronics, Inc., construction Display / CRT, base Plastic, socket Duodecal, and maximum plate voltage 12000 V. The archive does not yet hold a photographed example of this type.

BrandThomas Electronics, Inc.
ClassCathode-Ray Picture Tube
BaseDuodecal
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated cathode

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Visual extinction of undeflected focused spot11000 V————

Application Notes

The T.E.I. 12YP4 is a 12.5-inch direct-view picture tube for use in television receivers. Mounting position: Any.

Datasheets

Datasheet: 12YP4.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 Voltage12000 V
    Grid 2 Voltage410 V
    Grid 1 Voltage-125 V
    H-C Voltage180 V

    Audio Performance

    Key Features
    • 3-inch offset electron gun
    • External ion-trap magnet
    • Insulating band on internal conductive coating
    • Outside conductive coating