Hi Jeff, The soundboard is a transducer. It does not amplify. No energy is "added". One form of vibration (the strings) is changed to another (the soundboard). At 12:08 AM 5/8/2009 -0400, you wrote: > >By the way, it is not necessary to add energy to amplify. Consider the >soundboard. >Jeff 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://us.geocities.com/drpt1948/ 3004 Grant Rd. REGINA, SK, S4S 5G7 306-539-0716
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