Tube-number record
12WP4
0 archive entries
12WP4 is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: brand Lansdale Tube Company, construction Triode, socket Noval (B9A), and maximum plate voltage 12000 V. The archive does not yet hold a photographed example of this type.
BrandLansdale Tube Company
ClassCathode-Ray Tube
BaseNoval (B9A)
Filament— V @ 600 mA
Construction
Primary TypeTriode
EnvelopeGlass, gray tinted
Sections1
Filament / Heater
Heater NotesHeater current: 0.6A ± 10%
Absolute Maximum Ratings
Plate Voltage12000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Direct View Television | 10000 V | — | — | — | — |
Application Notes
Specifically designed for low cost television receivers. Features a standard 9-pin miniature stem. Uses a triode ion trap gun with a single field ion trap magnet.
Datasheets
Datasheet: 12WP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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