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<DIV>The better quality full sized uprights and studio pianos probably would not improve much by this. The spinets and consoles might be improved a lot by adding some weight to the back of the keys. Most of them got none when they were built. Not long ago I added weight to an old Acrosonic spinet that made a big improvement. It was a piano that they could not replace with a better one because of family attachment. The increased downweight makes it easier to play with better control, softer or louder, and the keys return quicker too.</DIV>
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<DIV>Bruce Dornfeld, RPT</DIV>
<DIV><A href="mailto:bdornfeld@earthlink.net">bdornfeld@earthlink.net</A></DIV>
<DIV>847-498-0379</DIV>
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