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

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4LP1 vacuum tube outline illustration

Tube-number record

4LP1

0 archive entries

4LP1 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand ETEL (Electronic Tubes Ltd), construction Display / CRT, socket CRT base (B12 family), maximum plate voltage 8000 V, and maximum plate dissipation 3 W. The archive does not yet hold a photographed example of this type.

BrandETEL (Electronic Tubes Ltd)
ClassCathode Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 550 mA

Construction

Primary TypeDisplay / CRT
Envelope4-inch diameter flat screen
SectionsDual trace

Filament / Heater

Heater NotesIndirectly heated; suitable for parallel operation only

Absolute Maximum Ratings

Plate Voltage8000 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation3000 V———0.1 mA

Application Notes

The tube is designed for symmetrical operation in the x direction and asymmetrical in the y direction. Incorporates a beam trap on the x' plate for pulse or single stroke displays.

Datasheets

Datasheet: 4LP1.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 Dissipation3 W
    Grid 2 Voltage1200 V
    Grid 1 Voltage-200 V
    H-C Voltage250 V

    Audio Performance

    Key Features
    • Independent y signal deflections
    • Post deflection accelerator (PDA)
    • 4-in. diameter flat screen
    • Side connections for deflection plates
    • Beam trap on x' plate