19DUP4
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BrandPhilco - Lansdale Division
ClassTelevision Picture Tube
BaseCRT base (B7 family)
Filament6.3V @ 450mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Glass
SectionsSingle
Filament / Heater
Heater NotesHeater warm-up time 11 seconds
Absolute Maximum Ratings
Plate Voltage22000 V
Grid 2 Voltage80 V
H-C Voltage200 V
Audio Performance
Key Features
- Aluminized screen
- Spherical faceplate
- Non-ion trap gun
- Electrostatic focus
- Magnetic deflection
- HiGm tube
- Banded implosion protection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 16000V | - | - | - | - |
Application Notes
Designed for cathode drive service under low G2 voltage conditions.
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