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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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5QP4 vacuum tube outline illustration

Tube-number record

5QP4

0 archive entries

5QP4 is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: brand General Electric, year 1952, construction Display / CRT, socket Octal, maximum plate voltage 12000 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassCathode-Ray Tube
BaseOctal
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass
Sections1

Filament / Heater

Heater Notes0.6 Ampere +/- 10%

Absolute Maximum Ratings

Plate Voltage12000 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Recommended Operating Conditions10000 V————

Application Notes

The metal-backed screen reduces screen charging and increases brightness. Brilliance and definition decrease with decreasing anode voltage; anode voltage should not be less than 5000 volts. Grid-No. 1 voltage for visual extinction ranges from -28 to -72 volts.

Filters

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Manufacturers

Brands

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    Plate Dissipation6 W
    Grid 2 Voltage410 V
    Grid 1 Voltage-125 V
    H-C Voltage125 V

    Audio Performance

    Key Features
    • Reflective metal-backed screen
    • Industrial applications
    • Magnetic focus
    • Magnetic deflection