Tube-number record
14QP4-A
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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
Plate Voltage11000 V
Grid 2 Voltage500 V
Grid 1 Voltage-180 V
H-C Voltage180 V
Audio Performance
Key Features
- 14-inch rectangular
- Aluminized screen
- Ion-trap gun
- Spherical gray faceplate
- External conductive coating
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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