Tube-number record
HIGH RESOLUTION DISPLAY TUBE
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BrandFerranti
ClassCathode Ray Tube
BaseDuodecal
Filament6.3 V @ 300 mA
Construction
Primary TypeMagnetic focus and deflection
EnvelopeNon-browning glass optically flat face
Sections1
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage30000 V
Grid 2 Voltage600 V
H-C Voltage250 V
Audio Performance
Key Features
- High light output
- Metal backed screens
- Optically flat face
- Magnetic focus
- Magnetic deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 25000 V | — | — | — | — |
Application Notes
When operated at anode voltage in excess of 16kV, X-ray shielding may be required. Neck has external conductive coating.
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