Tube-number record
4DP-
0 archive entries
4DP- is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: brand Du Mont, construction Beam tetrode / beam power, socket CRT base (B12 family), and maximum plate voltage 6000 V. The archive does not yet hold a photographed example of this type.
BrandDu Mont
ClassCathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesCurrent tolerance +/- 10%
Absolute Maximum Ratings
Plate Voltage6000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operating Conditions | 4000 V | — | — | — | 0.025 mA |
Application Notes
The Du Mont Type 4DP- is a dual-beam cathode-ray tube featuring the usable screen area of 5-inch tubes without occupying the space a five-inch tube requires. Common accelerator and post-accelerator connections; independent deflection and grid controls.
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