Because we want to minimize the transmission of noise or vibration if you will to the floor itself.
Isolate speakers from floor.
Whatever the reason plenty of people place their audio speakers on the floor.
This elevates it let s say 12 inches off the floor.
Or maybe you re going for a college chic aesthetic with everything from your mattress to your tv on the floor.
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.
However far better results can be obtained by removing the speakers away from the table top completely and mounting them properly on solid heavy stands placed directly on the floor.
If you then need to isolate the speaker mass system from the floor some very soft springing thin soft rubber foam or a type of air suspension under the mass.
Looking for a cheap diy solution to isolate them from the floor thinking of sitting the speakers on a piece of slate and something rubbery underneath between that and the floor hopefully.
So we put a structure underneath it.
Maybe you re scared your pets child will knock them down and damage your precious speakers.
A large mass under the speakers to which the speakers are spiked will stabilise the speakers and reduce movement of the cabinet caused by driver movement.
Maybe you hate the way audio speaker stands look.
We have to isolate from the floor with our speaker cabinet correct.