Tube-number record
11AP4
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11AP4 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand General Electric, construction Display / CRT, socket CRT base (B7 family), and maximum plate voltage 15000 V. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassCathode Ray Tube
BaseCRT base (B7 family)
Filament6.3 V @ 450 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Glass
Sections1
Filament / Heater
Heater NotesWarm-up time 11 seconds
Absolute Maximum Ratings
Plate Voltage15000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode-Drive Service | 11000 V | — | — | — | 0.15 mA |
Application Notes
The 11AP4 is designed for operation at an intermediate Grid No. 2 voltage for use in cathode-drive circuits. Protective resistance in Grid No. 2 and focusing circuits is advisable.
Datasheets
Datasheet: 11AP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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