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QK411A

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ID = 55396
       
Country:
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, MA
Developer: Raytheon Mfg. Co.; Cambridge, MA 
Tube type:  CRT (cathode ray tube, picture tube) 
Identical to QK411A
Similar Tubes
Multiple differences or of other kind:
  QK464A

Base Diheptal (14 pin glass U14)
Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect
Description 3" recording-storage tube, capable of retaing stored images for many hours and even after more than 30k readings. 600 lines minimum resolution. Similar to QK464A, but for electrostatic focus and deflection. 
Information source - - Manufacturers Literature   


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