^ No, not the same ball. check out the descriptions for the 2 balls on the Penn site:
Originally Posted by zapvor
easy. i bounce the ball on the ground like a basketball. very easy to tell how hard something is. try it
This doesn't make any sense -- don't get what you are trying to say. Are you saying that you are bothered by the sound
of the Dunlop balls on the strings or the ground?
If you are talking about the way it feels, then it is (mechanical) shock & vibrations, my friend. Pure & simple.