Well,you learn something every day. My Posiedon sits on a Townshend Seismic Sink with the SCD 025 on top. My silver Tellus and Atlantis Tellus sit on a suspended wooden floor. As does my recent second Posiedon purchase(alas only grounding the RI 100 ATM). I have a second identical stand dismantled. My task this weekend is to re assemble the stand and fill it with Entreq boxes. It will certainly take some air in those tubes to carry the weight of that little lot! I will have a listen and report back next week.