Is a down-firing sub into carpet OK?

I have a down-firing sub and it is firing right into carpet? Is this ok or should I get something for the sub to sit on like a slab of marble?

matchstikman08-01-2005 10:44pm

chadnliz Details Discussions Posts This discussion Message User 3,736 posts 08-02-2005 at 03:07am Copy Comment URL Report Comment Edit Delete My HSU VT12? sounds great with 3 inch spikes onto carpet