20HP4-A/20LP4
0 Tubes in archive
BrandGeneral Electric
ClassCathode-Ray Tube
BaseSmall-shell Duodecal 6-Pin (B6-63)
Filament6.3V @ 600mA
Construction
Primary TypeRectangular glass
EnvelopeGlass
Base MaterialPlastic
SectionsSingle
Filament / Heater
Heater NotesHeater current 0.6A +/- 10%
Absolute Maximum Ratings
Plate Voltage16000 V
Grid 2 Voltage500 V
Grid 1 Voltage-125 V
H-C Voltage180 V
Audio Performance
Key Features
- Low voltage electrostatic focus
- Magnetic deflection
- 17- by 12 3/4-inch picture
- Gray faceplate
- Ion-trap gun
- External conductive coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 14000V | - | - | - | - |
Application Notes
An external conductive coating serves as a filter capacitor when grounded. If operated above 16kV, x-ray radiation shielding may be necessary.
Showing 1 to 0 of 0 results