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BrandFerranti
ClassCathode Ray Tube
BaseB12A (Duodecal)
Filament6.3V @ 300mA
Construction
Primary TypeTriode
EnvelopeGlass
Base MaterialPlastic
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage25000 V
H-C Voltage200 V
Audio Performance
Key Features
- High resolution
- Optically flat face
- Metal-backed screen
- Triode gun
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 20000V | - | - | - | - |
Application Notes
X-ray shielding may be required if anode voltage exceeds 16kV. Screen resolution measured at center by shrinking raster method.
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