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Re: Groove diameter

Posted by Dick Hosmer on Thursday, 14 August 2014, at 2:44 a.m., in response to Re: Groove diameter, posted by Jerry Ipsen on Thursday, 14 August 2014, at 2:35 a.m.

I'm not clear - the high points occur on the same diameter, though the edges are oriented oppositely. You do need to be sure you have the mike opening EXACTLY on the edge(s). Fudge it, and you WILL be off.


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