Mass and vibration cancelling on top of CD player?

How many use the mass effect on top of your player?
Results?

ptss10-28-2013 7:27am

mesch Details Discussions Posts This discussion Message User 3,530 posts 10-31-2013 at 07:28pm Copy Comment URL Report Comment Edit Delete I use low weight cast iron barbell weights (2.5, 5 lbs) to which I glued 1/8" cork on underside.