Tube-number record
3JP-A
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BrandDu Mont
ClassCathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeElectrostatic Focus and Deflection
EnvelopeJ26
Base MaterialMedium Shell Diheptal
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage2000 V
Plate Dissipation6 W
Grid 1 Voltage-200 V
H-C Voltage180 V
Audio Performance
Key Features
- Electrostatic focus
- Electrostatic deflection
- Low pattern distortion
- Close controlled tolerances
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 3000V Post Accelerator | 1500 V | — | — | — | — |
| 4000V Post Accelerator | 2000 V | — | — | — | — |
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