19ALP4
0 Tubes in archive
BrandWestinghouse
ClassTelevision Picture Tube
BaseB7-208
Filament6.3V @ 300mA
Construction
Primary TypeRectangular Glass
EnvelopeJ149
SectionsSingle
Filament / Heater
Warm-up Time18s
Heater Notes300 mA +/- 5%
Absolute Maximum Ratings
Plate Voltage22000 V
Grid 2 Voltage700 V
H-C Voltage200 V
Audio Performance
Key Features
- 114° Magnetic Deflection
- Electrostatic Focus
- Aluminized Screen
- Gray Filter Glass
- Short Neck Length
- No Ion Trap
- Spherical Faceplate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 14000V | - | - | - | - |
Application Notes
Operation with anode voltage less than 12000 volts is not recommended. Protective resistance in the grid 2 and grid 4 circuits is advisable to prevent damage to the tube.
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