Tube-number record
21EZP4
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BrandLe Cathoscope Français
ClassCathode Ray Tube
BaseCRT base (B7 family)
Construction
Primary TypeElectrostatic Focus, Magnetic Deflection
EnvelopeGlass
Sections1
Filament / Heater
Warm-up Time11s
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage650 V
H-C Voltage180 V
Audio Performance
Key Features
- Electrostatic focus
- Aluminized screen
- 110 degree deflection angle
- Non-ion trap gun
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode drive service | 16000 V | — | — | — | — |
| Cathode drive service | 18000 V | — | — | — | — |
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