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Antique Radio Technical Forum
Do-All tube tester

Posted by John on 04/30/2010 10:13

Anyone know the setup to use to test a 247 tube on a Do-All Model 808A?

IPAddress: ***.169.188.225


Do-All tube tester 
John 04/30/2010 10:13 
Norm Leal 04/30/2010 11:52 

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