Keith says, <<I fail to see how having the damper stop rail too high would in any fashion mess up the dampers, and/or the operation of the sostenuto system.>> Greetings, If the underlevers are allowed unlimited upward travel, a strong blow can send them over the top of the engaged sostenuto rod. This doesn't happpen with the unsprung sos. tabs, but the later models will allow the underlever tab to go above, and when it does, it stays up there! Regards, Ed Foote RPTs
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