Hi Richard, I have seen the "A" of FACs change from 6 to 9.5 one one of my "D"s. That is significant in terms of the end result of the tuning. OCtaves are a little over stretched for my sense. SO yes, the change is significant to upset my tuning values. Now, someone asked about stored tunings. Those are not effected of course but the piano seems to sound the same whenever tuned. Why, I have no real idea. The problem is doing and storing a super tuning is such a super pain in the arse that I only do such in desperation and because I will be tuning the piano for every performance in a busy hall, of which I had six with nine pianos. Newton
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