David Ilvedson wrote: > So stretching or maybe deforming of the piano wire itself is not involved in the pitch loss? Find out for yourself. You can be a hero. Corner yourself a 25 cents+ flat piano. Pull one string of all the C unisons above pitch according to the overshoot recommended (dictated?) by your ETD. Wait 15-30 minutes. Measure all the Cs to see if they're now on, or within a couple of cents of, target pitch. If it's strings stretching, they will be. If not... Let us know what you find. Ron N
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