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

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14QP4 vacuum tube outline illustration

Tube-number record

14QP4

0 archive entries

14QP4 is a tube type in the TubeDatabase archive (class: Television Picture Tube). Recorded specifications: brand SYLVANIA, construction Rectangular Glass, socket Duodecal, and maximum plate voltage 12100 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 TypeRectangular Glass
EnvelopeGlass
Sections14-inch Direct Viewed

Filament / Heater

Heater NotesWarm-up time 11 seconds

Absolute Maximum Ratings

Plate Voltage12100 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation9000 V————

Application Notes

X-ray radiation shielding may be necessary if operated above rated voltage.

Datasheets

Datasheet: 14QP4.pdf

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

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    Grid 2 Voltage550 V
    Grid 1 Voltage-155 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Electrostatic Focus
    • Magnetic Deflection
    • Single Field Ion Trap
    • Gray Filter Glass
    • Spherical Faceplate