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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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17FP4 / 17FP4A vacuum tube outline illustration

Tube-number record

17FP4 / 17FP4A

0 archive entries

17FP4 / 17FP4A is a tube type in the TubeDatabase archive (class: Cathode Ray Picture Tube). Recorded specifications: brand Tung-Sol, year 1953, construction Rectangular Glass, base Plastic, socket Duodecal, and maximum plate voltage 18000 V. The archive does not yet hold a photographed example of this type.

BrandTung-Sol
ClassCathode Ray Picture Tube
BaseDuodecal
Filament6.3 V @ 600 mA

Construction

Primary TypeRectangular Glass
EnvelopeGlass
Base MaterialPlastic
SectionsSingle

Filament / Heater

Heater NotesAC or DC

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Standard TV Operation12000 V———0.1 mA

Application Notes

The 17FP4 and 17FP4A are identical except for the external coating; 17FP4 has a partial coating while 17FP4A has a complete external coating.

Filters

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Manufacturers

Brands

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    Plate Voltage18000 V
    Grid 2 Voltage410 V
    Grid 1 Voltage-125 V
    H-C Voltage150 V

    Audio Performance

    Key Features
    • Electrostatic Focus
    • Magnetic Deflection
    • Unipotential Cathode
    • Grey Filter Faceplate
    • External Single Field Ion Trap