The think the real issue is what type of floor is present in your listening room, I have a dedicated room with wool carpet over concrete and I can see no reason in this case to do anything other than drain the energy by coupling.
+1
same here
Rel Does Not Recomment Isolation Stands
This came as a surprise. I had just assumed that it should be isolated. Then I discover I was wrong. after doing some research for isolation for mine. Even though I am NOT electronics engineer I think this is an interesting subjet idea. Pardon my utter ignorance. I should have known there was an opposing view. Always is. Just didn't think of it