AL/1976/1
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ClassCathode Ray Tube
BaseCRT base (B12 family)
Filament6.3V @ 750mA
Construction
Primary TypeDisplay / CRT
EnvelopeAll-glass, Rectangular Spherical Faceplate
Base MaterialGlass
Sections3-gun (Red, Green, Blue)
Filament / Heater
Heater NotesRecommended to regulate supply to 6.3V for maximum cathode life.
Absolute Maximum Ratings
Plate Voltage27500 V
Grid 2 Voltage1000 V
Cathode Current1 mA
H-C Voltage200 V
Audio Performance
Key Features
- Internal magnetic shield
- Steel-Jacket with Lugs implosion protection
- Filterglass faceplate
- Aluminized vertical phosphor stripes
- Push-Through presentation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical CRT Operation | 25000V | - | - | - | 1mA |
Application Notes
Orientation: Tube must be operated with the large tube axis in a horizontal position. The deflection yoke should not be used for supporting the picture tube. Impedance between steel jacket and external conductive coating must not exceed 1 MOhm at 50 Hz.
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