Tube-number record
3ABP-
0 archive entries
3ABP- is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: brand Du Mont, construction Display / CRT, base Medium shell diheptal, socket CRT / special base, maximum plate voltage 6000 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.
BrandDu Mont
ClassCathode-Ray Tube
BaseCRT / special base
Filament6.3 V @ 1200 mA
Construction
Primary TypeDisplay / CRT
EnvelopeAJ24-X1
Base MaterialMedium shell diheptal
SectionsTwo separate electron-guns
Filament / Heater
Heater NotesBoth Units
Absolute Maximum Ratings
Plate Voltage6000 V
Plate Dissipation6 W
Grid 2 Voltage2000 V
Grid 1 Voltage-200 V
Audio Performance
Key Features
- Flat-faced
- Double electron-gun
- Post-acceleration
- Tight-tolerance
- Zero focusing anode current
- Electrostatically shielded deflection electrodes
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Post-Accelerator Operation | 4000 V | — | — | — | 0.025 mA |
Application Notes
Used in applications requiring a two-beam presentation with high deflection sensitivity and good tracking accuracy on a short three-inch cathode-ray tube.
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