19ECP4
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BrandGeneral Electric
ClassCathode Ray Tube
BaseB7-237 or B7-208
Filament6.3V @ 450mA
Construction
Primary TypeCathode Ray Tube
EnvelopeGlass
SectionsSingle
Filament / Heater
Warm-up Time11s
Heater NotesHeater current tolerance +/- 23 mA
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage250 V
Grid 1 Voltage-140 V
H-C Voltage180 V
Audio Performance
Key Features
- 19-inch rectangular glass
- Banded type implosion protection
- Non-ion-trap gun
- Aluminized screen
- External conductive coating
- 114 degree deflection angle
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 16000V | - | - | - | - |
Application Notes
The 19ECP4 is a picture tube employing banded type implosion protection. External conductive coating serves as a filter capacitor when grounded.
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