>What does plate compression have to do with pianos going out of tune? I was referring to a large pitch change. The 'musician' in question told everyone I was a conscientious tuner because I retuned (gratis) the piano a week later after 'tuning' it not-so-well. At the time I was under the impression that sound board deflection resulting from the increased tension was what caused instability on a pitch correction. SO without a sound board... no deflection... hence no problem... The guy was such a jerk that I never bothered to explain pitch change instability. That was a live and learn situation. That was the last time I ever placed a tuning hammer to one, next one will be a sledge hammer. Now I explain the instability of pitch correction multiple times to a customer but it still seems to cause their eyes to glaze over. -- Regards, Jon Page -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20070521/6745e972/attachment.html
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