Hi Allan, The bottom cover does improve response to stability, and provides some help to the action. Add a string cover, keep the fallboard cloased and the action benefits a lot more. At 11:36 PM 6/23/2010 -0400, you wrote: >Thank you Don, > >In a grand, the action and pinblock still are not helped with regular DC, >true ? Even with the under cover.... >Release Date: 06/23/10 12:35:00 Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T. Non calor sed umor est qui nobis incommodat mailto:pianotuna at yahoo.com http://www.donrose.ca/ 3004 Grant Rd. REGINA, SK, S4S 5G7 306-539-0716
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