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History of the manufacturer  

Sound Inc., Chicago

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Name: Sound Inc., Chicago    (USA)  
Abbreviation: sound
Products: Model types
Summary:

Sound Inc., 221 E. Cullerton St., Chicago 16, Ill

see Sam's Photofact 11/47 Set 28 Folder 4718-31

History:

This manufacturer was suggested by Egon Penker.


Some models:
Country Year Name 1st Tube Notes
USA  47 MB7E3 6SQ7  The Sound Inc. Modell MB7E3 is a AC Operated 2 Channel Public Adress System. 
USA  47 5R2 12SA7GT   
USA  46 Inter Sound 12SL7GT  Intercommunication system. 
USA  48 MB6P6 6SA7   
USA  48 MB6P3 6SA7   
USA  47 MB7E8 6SQ7   
USA  48 MB6R4 6SA7   
USA  48 MB6P30 6SA7   

[rmxhdet-en]
  

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