I have some fairly large KEF floorstanders in a large room on a suspended timber floor. I found the sound very much improved when I hung them from the ceiling with motorbike clutch cable. It is fairly easy to experiment with height and well worth the effort. The only hard part is fixing to the speaker, I put four small screws in the bottom.
speaker/stand, couple or isolate?
I've read a lot about floor standing speaker interaction with the floor and whether or not isolation or coupling might be the right approach depending on the type of floor, e.g., concrete, suspending wood floor, etc. I suspect the same rules apply to the speaker and the stand as a unit but what is the common wisdom about how should standmount speakers be placed on the stand, especially the larger/heavier speakers on 4 leg sand/rice filled heavy stands where tip over is not much of a concern. Thanks.