Tube-number record
14SP4
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14SP4 is a tube type in the TubeDatabase archive (class: Television Picture Tube). Recorded specifications: brand SYLVANIA, construction Display / CRT, socket Duodecal, and maximum plate voltage 15400 V. The archive does not yet hold a photographed example of this type.
BrandSYLVANIA
ClassTelevision Picture Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Glass, Spherical Faceplate
Sections1
Filament / Heater
Warm-up Time11s
Heater NotesHeater warm-up time measured in JETEC test circuit
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 12000 V | — | — | — | — |
Application Notes
External conductive coating must be grounded. Grid No. 1 voltage for cutoff range is -28 to -72 volts dc.
Datasheets
Datasheet: 14SP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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