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History of the manufacturer  

Sonora Tube Co.; Chicago, IL

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Name: Sonora Tube Co.; Chicago, IL    (USA)  
Abbreviation: sonoratube
Products: Tube manufacturer
Summary:

Sonora Tube Co.
220 S State Street, Chicago, Ill.

Ad in Radio News; 11/1924, p.785: 5 types offered: 199, 12, 200, 202, 201A;
Also mentioned in Tyne, Saga...p.363 - but we think that an other company made them and they were labeled Sonora only.

Arcturus in any case was the producer of the DE-1 (127), RA-1 (AC48), RE-1 (180), RE-2 (181), SO-1 (AC40) and SO-2 (150) etc. in 1927/28. But Arcturus made also tubes for Crosley, Sparton (686) and Wunderlich.

Production: 1924 -
History:

This manufacturer was suggested by Otto Frosinn.


[rmxhdet-en]

Further details for this manufacturer by the members (rmfiorg):

Radio News November 1924tbn_sonora_rn_nov_1924.jpg
Sonora advert. undated and unsourced. c. 1929tbn_sonora_loud_speaker_shop_display_c._1929.jpg

  
rmXorg