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Message: [QUOTE="anotherscott, post: 216244, member: 2157"] Gradedness is a whole different issue. There are indeed hammer actions that are not graded (Yamaha CP73 and Montage 8, and I think all the hammer action boards from Nord and Kurzweil, among others); and though less common, there are non-hammer actions that are graded... Yamaha has a GST (Graded Soft Touch) action they have used in a number of boards. Even among graded actions, there are significant differences in implementation... some may alter the weighting with every single key as on a real piano, some may split the board into, say, 4 or 5 regions that have different weights. [/QUOTE]