Tube-number record
7BAP
0 archive entries
7BAP 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 base (B12 family), maximum plate voltage 2750 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 base (B12 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
Envelope4x6-Inch rectangular
Base MaterialMedium Shell Diheptal
Sectionsdual beam
Filament / Heater
Heater NotesHeater current 0.6 A ± 10%
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Post Accelerator Operation | 2000 V | — | — | — | 0.025 mA |
Application Notes
The electron gun structures are so designed as to require no appreciable focusing current. Post acceleration is used to obtain maximum deflection sensitivity.
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