>Is there an optimum height for a bridge (or recommended minimum and maximum >height) in terms of sound production? Not that I'm aware of. >Does it vary depending on the >section of the piano? Not that I'm aware of. The required bridge height, and therefore stiffness and mass, depends on the soundboard assembly, which depends on the string scale. More ribs and a stiffer soundboard assembly means you can get away with a less stiff bridge and still get a desired effect. Fewer ribs and a more flexible soundboard assembly will need a stiffer bridge (taller, wider), to get a similar desired effect. Mass is important in the treble, while stiffness is more critical in the bass. The height of the bridge is meaningful only in context with everything else. It's a system. Ron N
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