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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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Tube-number record

19FEP4B

0 archive entries

19FEP4B is a tube type in the TubeDatabase archive (class: Picture Tube). Recorded specifications: brand RADIO CORPORATION OF AMERICA, year 1966, construction Other / special, socket CRT base (B7 family), and maximum plate voltage 23500 V. The archive does not yet hold a photographed example of this type.

BrandRADIO CORPORATION OF AMERICA
ClassPicture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 450 mA

Construction

Primary TypeOther / special
EnvelopeFilterglass
Sections1

Filament / Heater

Heater NotesHeater warm-up time average

Absolute Maximum Ratings

Plate Voltage23500 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Cathode-Drive Service16000 V———0.1 mA

Application Notes

The grid-No.4 voltage required for optimum focus of any individual tube will have a value anywhere between -100 and +300 volts.

Filters

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Manufacturers

Brands

    0 results
    Grid 2 Voltage60 V
    H-C Voltage450 V

    Audio Performance

    Key Features
    • Pan-O-Ply Type
    • Low Grid-No.2 Voltage
    • Unipotential Focus Lens
    • No Ion-Trap Magnet Required
    • Implosion Protection