jcmusic Posted July 10, 2021 Share Posted July 10, 2021 What tool is used to adjust the bias on the Yaqin amps? Quote Link to comment Share on other sites More sharing options...
Edgar Posted July 10, 2021 Share Posted July 10, 2021 Search for "Yaqin amp bias tool". Back when vacuum tubes were all that was available, my father had screwdrivers made of fiberglass for precisely this application. Quote Link to comment Share on other sites More sharing options...
jcmusic Posted July 11, 2021 Author Share Posted July 11, 2021 Thanks Edgar, I found a video looks like it is a star type head.. Quote Link to comment Share on other sites More sharing options...
Edgar Posted July 11, 2021 Share Posted July 11, 2021 1 hour ago, jcmusic said: I found a video looks like it is a star type head.. Nothing quite like making a dangerous job extra-difficult! 1 1 Quote Link to comment Share on other sites More sharing options...
Steve. Posted July 11, 2021 Share Posted July 11, 2021 Quote Link to comment Share on other sites More sharing options...
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