Call it the Jedi mind trick, but I found spikes made more tactile bass. So much so, that I used spikes with metal disks on my hardwood floors to keep that mechanical link to the ground that the rubber seeks to limit, without damaging the floor. could be crazy, but I like the spikes.

Panny 3000 PJ, 118" Carada, Denon 3300, PS3, Axiom QS8, PSB 5T, B&W sub, levitating speaker wire