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History of the manufacturer  

Echotron (tubes); (where ?)

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Name: Echotron (tubes); (where ?)    (USA)  
Abbreviation: echotron
Products: Brand
Summary:

Echotron
(where ?)

This manufacturer not listed in Tyne's "Saga of the Vacuum Tube" but several tubes with the name have been located.

History:

This manufacturer was suggested by Fin Stewart.


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