????In my opinion this is not the problem, it is the same old?is the problem of Compression crowning.?Asking soft flat sugar pine ribs to stay flexed for a lifetime is one thing but tight grain Sitka spruce ribs.....Uh uh,negatory. SO no crown...?? hmm lets lower the plate & crush it further. It just doesn't work ? ?I have seen many 30-40 year old Japanese pianos with flat sound board with the strings off. In this case there was a fair bit of truly bad technician-ing?possibly sprinkled with?other questionable decisions & character traits.? ? I'm baaaack. ???Dale ? > The soundboard is negative crowned. I think: soundboard originlly dried? for Japanese market, in renovation at SAP Poland extrmely dried out, > restrung with to much downbearing and finally collapsed negative, any? other thoughts about why a soundboards becomes negative crowned? > Custommer payed 15.000 EUR for this instrument,? ? > Should he accept the fact of negativ crown? Will the board get even more > negativ figures in the future? Any experience how negativ crown > influences the sound and why?? ? -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20080622/832f9a33/attachment.html
This PTG archive page provided courtesy of Moy Piano Service, LLC