I don't remember what brand, but I have also noted new tuning pins that are not round. But how do you conclude that slight imperfections in roundness contribute to pin jumpiness? Terry Farrell On Sep 21, 2010, at 6:38 PM, Roger Gable wrote: > Noah, > I would advise you to consider the Diamond pins for the following > reasons: The Denro pins can vary in diameter by as much as .004". > That's enough to produce an irritating difference in pin torque. > Also, ( this is a big one) the Denro pins aren't always round, which > contributes to jumpy pins. > Roger Gable > P.S. I just bought a set of Diamond Pins. The current price is $164.00 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100928/72a4b521/attachment.htm>
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