What is the best material to put under the speakers? I've got some B&W Nautilus 803's and I can buy Sound Anchor stands for them. I've read that putting BDR IV cones under the Sound Anchor stands is an improvement.
Perhaps putting a 2' x 2' sheet of granite, tile, hardward would be better?
Perhaps putting a 2' x 2' sheet of granite, tile, hardward would be better?