1DH
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BrandPhilips
ClassCathode Ray Tube
Filament6.3V @ -mA
Construction
Primary TypeCRT
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Grid 2 Voltage500 V
Audio Performance
Key Features
- High brightness
- Specific screen radius requirements
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Test Conditions | - | - | - | - | 0.01mA |
Application Notes
Comparison with E.T.L. tubes indicates better center line width but worse edge astigmatism. Raster distortion (barrel) is higher than E.T.L. types.
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