<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1106" name=GENERATOR></HEAD> <BODY bottomMargin=0 leftMargin=3 topMargin=0 rightMargin=3> <DIV> </DIV> <DIV>Wim</DIV> <DIV> </DIV> <DIV>Have you thought about the  Duplex  Scale ??</DIV> <DIV>Do any of you out there ever think about that in stabilizing your "= concert" tunings ??</DIV> <DIV> </DIV> <DIV>I have found in many grands I tune with those VERY unstable unisons = you question, Wim,</DIV> <DIV>tuning the duplex scale ( equalizing tension )  can be  MOST= stabilizing for any</DIV> <DIV>concert situation or for ANY tuning elsewhere.</DIV> <DIV> </DIV> <DIV>Try it.   The extra few moments it takes to do that,  = the more tunings it will save you from </DIV> <DIV>having to do later.</DIV> <DIV> </DIV> <DIV>Danny Tassin, RPT</DIV> <DIV>Piano Technician</DIV> <DIV>Jackson State College</DIV> <DIV>Blair School of Music (Asst.)</DIV> <DIV> </DIV></BODY></HTML>