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

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17EAP4 vacuum tube outline illustration

Tube-number record

17EAP4

0 archive entries

17EAP4 is a tube type in the TubeDatabase archive (class: Television Picture Tube). Recorded specifications: brand National Video Corporation, construction Display / CRT, base Small Shell Duodecal 5-Pin, socket Duodecal, and maximum plate voltage 17600 V. The archive does not yet hold a photographed example of this type.

BrandNational Video Corporation
ClassTelevision Picture Tube
BaseDuodecal
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeJ133B1/D1
Base MaterialSmall Shell Duodecal 5-Pin
Sections1

Filament / Heater

Heater NotesHeater current at 6.3 Volts is 600 Ma +/- 10%

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Grid Drive Service12000 V————

Application Notes

The focus electrode is tied to filament lead Pin 1. No external connection for focus is required as the tube maintains focus over its entire operating range. X-ray radiation shielding may be necessary if operated above 16,000 volts.

Datasheets

Datasheet: 17EAP4.pdf

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

Filters

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Manufacturers

Brands

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    Plate Voltage17600 V
    Grid 2 Voltage550 V
    Grid 1 Voltage-155 V
    H-C Voltage180 V

    Audio Performance

    Key Features
    • 7 1/2" neck length
    • Electrostatic focus
    • Magnetic deflection
    • Aluminized screen
    • Rectangular glass envelope
    • Automatic focuses
    • Elimination of ion spot blemishes