14NP4 / 14NP4A
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BrandWestinghouse
ClassTelevision Picture Tube
BaseSmall Shell Duodecal 6-Pin (B6-63)
Filament6.3V @ 0.6mA
Construction
Primary TypeRectangular Glass
EnvelopeJ112A1
Base MaterialPlastic
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage14000 V
Grid 2 Voltage500 V
Grid 1 Voltage-180 V
H-C Voltage180 V
Audio Performance
Key Features
- Electrostatic Focus
- Magnetic Deflection
- Spherical Faceplate
- External Conductive Coating
- Metal-backed screen (14NP4A only)
- 90° Deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 10kV Operation | 10000V | - | - | - | - |
| 12kV Operation | 12000V | - | - | - | - |
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