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ID = 77758
United States of America (USA)
Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  SPECIAL TUBE, other or unknown 
  Ca. 1925 up to 1945 no serial production. For instance only development samples. *****
Identical to A-1306B

Base Octal (Int.Octal, IO) K8A, USA 1935

Experimental beam-deflection tube. No info found. Maybe related to the development or the evolution of the 1636 UHF mixer.

The prefix A denotes for RCA an experimental tube.

An article on the operation of beam-deflection tubes as UHF mixer was printed in Electronics, May 1949.

A-1306B: Private collection
Emilio Ciardiello


from Just Qvigstad

Documents about this component
  Beam-deflection mixer tubes for UHF, E.W. Herold and C.W. Mueller, RCA. Reprint from Electronics, May 1949. 778 KB

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