Tube-number record
14AP
0 archive entries
14AP is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: brand Du Mont, construction Display / CRT, base Glass, socket CRT base (B12 family), and maximum plate voltage 4000 V. The archive does not yet hold a photographed example of this type.
BrandDu Mont
ClassCathode-Ray Tube
BaseCRT base (B12 family)
Filament2.5 V @ 2100 mA
Construction
Primary TypeDisplay / CRT
EnvelopeC107Z3C
Base MaterialGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage4000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Operation with E3=4000V | 2000 V | — | — | — | — |
| Operation with E3=8000V | 4000 V | — | — | — | — |
Application Notes
The shape of the glass bulb has been specially designed to withstand stresses induced by atmospheric pressure, and it is tested in production under a pressure greater than three atmospheres.
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