Dear John, The height of the sharps will be somewhat driven by the dip the action requires. On Steinways (for instance) with the 15.5 mm knuckle placement (Renner USA calls this the "original dimension" and Steinway the "pre-1984" dimension) you may be able to get by with the 12 mm sharp height. On actions with the 17 mm knuckle placement (called either the "Hamburg" dimension or the "Improved" dimension), you may need a 1/2" height to maintain proper sharp clearance above the adjacent naturals when the sharps are depressed. Regards, Charles >What height do folks prefer on sharps? Although I've seen 1/2" is >common, this feels just a bit too high for my liking. Some pianists will >find "something" they just don't quite like about the 1/2", but they don't >know exactly what the problem is. I prefer just under 1/2 at 12mm, or >slightly higher than 15/32" > >Comments? > >John Minor >University of Illinois -- Charles Ball, RPT School of Music University of Texas at Austin ckball@mail.utexas.edu
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