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

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11EP4 vacuum tube outline illustration

Tube-number record

11EP4

0 archive entries

11EP4 is a tube type in the TubeDatabase archive (class: Picture Tube). Recorded specifications: brand Toshiba, construction Display / CRT, base Glass, socket CRT base (B7 family), and maximum plate voltage 14000 V. The archive does not yet hold a photographed example of this type.

BrandToshiba
ClassPicture Tube
BaseCRT base (B7 family)
Filament6.3 V @ — mA

Construction

Primary TypeDisplay / CRT
EnvelopeRectangular Glass
Base MaterialGlass
Sections1

Filament / Heater

Heater NotesHeater current value missing from OCR; standard 6.3V series.

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Grid-Drive Service10000 V————

Application Notes

Suitable for portable T.V. sets. Distance from reference line for P.M. centering magnet should not exceed 2-1/8 inches.

Datasheets

Datasheet: 11EP4.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 Voltage14000 V
    Grid 2 Voltage550 V
    Grid 1 Voltage-154 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Aluminized Screen
    • Low-Voltage Electrostatic Focus
    • Magnetic Deflection
    • Short Neck
    • No Ion Trap Gun