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

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12LP4A vacuum tube outline illustration

Tube-number record

12LP4A

0 archive entries

12LP4A is a tube type in the TubeDatabase archive (class: Television Picture Tube). Recorded specifications: brand Sylvania, construction Display / CRT, base Small Shell Duodecal 5-Pin, socket Duodecal, and maximum plate voltage 12000 V. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassTelevision Picture Tube
BaseDuodecal
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeRound Glass
Base MaterialSmall Shell Duodecal 5-Pin
Sections1

Filament / Heater

Heater NotesIndirectly Heated

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Direct View11000 V—1500000——

Datasheets

Datasheet: 12LP4A.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 Voltage140 V

    Audio Performance

    Key Features
    • Magnetic Focus
    • Magnetic Deflection
    • Double Field Ion Trap
    • External Conductive Coating
    • Gray Filter Glass faceplate