8DP4
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BrandSYLVANIA
ClassTelevision Picture Tube
BaseB6-158
Filament6.3V @ 0.6mA
Construction
Primary TypeRectangular Glass
EnvelopeJ67-1/4A
SectionsSingle
Filament / Heater
Heater NotesHeater current tolerance: +/- 5%
Absolute Maximum Ratings
Plate Voltage8800 V
Grid 2 Voltage330 V
Grid 1 Voltage-110 V
H-C Voltage200 V
Audio Performance
Key Features
- 8” Direct Viewed
- Rectangular Glass Type
- Spherical Faceplate
- Gray Filter Glass
- Electrostatic Focus
- 90° Magnetic Deflection
- Single Field Ion Trap
- External Conductive Coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Drive Service (8kV) | 8000V | - | - | - | - |
| Cathode Drive Service (8kV) | 8000V | - | - | - | - |
Application Notes
X-ray radiation shielding may be necessary if tube is operated higher than 16,000 volts. External conductive coating must be grounded.
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