>Could this have anything to do with the positioning of the bridge? > >Kristinn Leifsson, Hi Kristinn, Sure does, and the speaking lengths, and the wire sizes, and the wrap sizes and maybe the strike point, but I'm not sure about that. With measurements of all the speaking lengths, wire diameters, wrap diameters, and a scaling program or spreadsheet, it's easy to look at the graphed inharmonicity curve and match the graphed discontinuities to what you aurally find in the piano. At least you get to see *why* you can't tune it the way you'd like, even if you can't fix it without tearing the piano apart. Ron N
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