Interesting. I had to tune two D's (one 1917, one current C&A) and a C3 together for a three-piano concert. TuneLab saved the day for me. I measured iH on all three pianos (A's from A1 to A6), then went home and tried various bass/treble octave styles to see where A0 and C8 wound up. After finding a few close matches, I then looked closer, to get the best fit for A2, A6, and A8. The best fit overall was 3:1 twelfths in bass and treble. I still have the data somewhere if anyone's interested. --Cy Shuster, RPT-- ABQ, NM -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/caut.php/attachments/20080929/9eb013f3/attachment.html
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