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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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23FMP4 vacuum tube outline illustration

Tube-number record

23FMP4

0 archive entries

23FMP4 is a tube type in the TubeDatabase archive (class: Picture Tube). Recorded specifications: brand RCA, year 1964, and construction Rectangular Glass. The archive does not yet hold a photographed example of this type.

BrandRCA
ClassPicture Tube
Filament6.3 V @ 450 mA

Construction

Primary TypeRectangular Glass
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesHeater current tolerance is +/- 20 mA

Absolute Maximum Ratings

Audio Performance

Application Notes

The 23FMP4 is the same as the 23ETP4 except for the heater current specification.

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    Key Features
    • PAN-O-PLY—INTEGRAL IMPLOSION PROTECTION
    • Aluminized screen
    • 110° magnetic deflection
    • No ion-trap magnet required