Tube-number record
OM 1138
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BrandCompagnie Générale de Télégraphie Sans Fil (CSF)
ClassCathode Ray Tube (CRT)
Base6-pin
Filament6.3 V @ 600 mA
Construction
Primary TypeElectrostatic Focus, Magnetic Deflection
EnvelopeGlass
Base MaterialPlastic/Metal
Sections1
Filament / Heater
Heater NotesTolerance +/- 10%
Absolute Maximum Ratings
Plate Voltage16000 V
Plate Dissipation6 W
Grid 2 Voltage770 V
Grid 1 Voltage-200 V
H-C Voltage180 V
Audio Performance
Key Features
- Aluminized screen
- High definition
- Semi-flat face
- Reinforced military structure
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard operation | 15000 V | — | — | — | 0.005 mA |
Application Notes
The tube must be handled by the bulb, never the neck. Shielding with Mu-metal is recommended to protect from electromagnetic fields.
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