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2530C9

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ID = 37730
       
Country:
United States of America (USA)
Brand: DuMont Labs, Allen B., Inc.
Tube type:  CRT (cathode ray tube, picture tube) 
Identical to 2530C9
First Source (s)
Feb.1942 : Electron Tube Registration List

Filament Vf 6.3 Volts / If 0.6 Ampere / Half indirect
Description 9" short-persistence blue fluorescent CRT intended for oscillographic high-frequency applications. Electrostatic focus and deflection. 11-pin magnal base.
Typical operation: 2000V on A1, 6000V on A2, -125V grid cutoff. 
Information source -- Original-techn. papers.   Electronics, Apr. 1942
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