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EC-1
EC1-Sch_rotated
  DSC06091.JPG - The 21th Dec. 2015 Raoul Tholl (a specialist in old valve radio repairs) and my self (Francis Massen) tried to repair the EC-1. Surprisingly all valves were still good. This view shows the two transformers and the OA2/OB2 valves for current regulation and stabilization.  
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The 21th Dec. 2015 Raoul Tholl (a specialist in old valve radio repairs) and my self (Francis Massen) tried to repair the EC-1. Surprisingly all valves were still good. This view shows the two transformers and the OA2/OB2 valves for current regulation and stabilization. Download
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