Tube-number record
19CUPU
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BrandPhilco
ClassTelevision Picture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 450 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
SectionsSingle
Filament / Heater
Heater Notes11 seconds warm-up time
Absolute Maximum Ratings
Plate Voltage22000 V
Grid 2 Voltage80 V
H-C Voltage200 V
Audio Performance
Key Features
- 19 inch rectangular
- Aluminized screen
- Spherical faceplate
- Non-ion trap gun
- Internal shielding
- Electrostatic focus
- Magnetic deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 16000 V | — | — | — | — |
Application Notes
Designed for cathode drive service under low G2 voltage conditions.
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