Tube-number record
14QP4-A
0 archive entries
14QP4-A is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: brand General Electric, year 1955, construction Display / CRT, base Small-shell Duodecal, socket Duodecal, and maximum plate voltage 11000 V. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassCathode-Ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialSmall-shell Duodecal
SectionsSingle
Filament / Heater
Heater Notes0.6 Amperes +/- 10%
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 9000 V | — | — | — | — |
Application Notes
The 14QP4-A is a 14-inch rectangular all-glass picture tube which provides an 11-3/4 by 8-1/4 inch picture for direct-view television applications. Protective resistance in the grid-No. 2 and focusing electrode circuits is advisable to prevent damage.
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