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

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7UP7 vacuum tube outline illustration

Tube-number record

7UP7

0 archive entries

7UP7 is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: construction Magnetic focus and deflection, socket Octal, maximum plate voltage 10000 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.

ClassCathode-Ray Tube
BaseOctal
Filament6.3 V @ 0.6 mA

Construction

Primary TypeMagnetic focus and deflection
EnvelopeGlass
Sections1

Filament / Heater

Heater NotesHeater current tolerance is +/- 10%

Absolute Maximum Ratings

Plate Voltage10000 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation7000 V———0.2 mA

Application Notes

The Type 7UP7 is designed for applications requiring a long persistent type screen, commonly used in radar or industrial displays.

Datasheets

Datasheet: 7UP7.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Plate Dissipation6 W
    Grid 2 Voltage700 V
    Grid 1 Voltage-180 V
    H-C Voltage180 V

    Audio Performance

    Key Features
    • Magnetic focus
    • Magnetic deflection
    • Long persistent screen
    • Metal-backed screen
    • Flat screen area