What stand does you Turntable sit on?

I use a Mana Reference stand under my Walker Audio tt. Lots of weight on plate glass, but it works.

No matter how I've mass weighted, isoloated,
or whateverated a turntable stand, I find
a wall-mounted shelf to be far superior.
After all, it's bolted to just about the heaviest
thing around you - your house!
The bracket is solidly mounted to the wall,
and the shelf sits on points to help isolate it
from any airborne vibrations (from the speakers).

I had concrete pillars poured into the foundation of the house. These rise through the flooring and support each turntable that i own. The sheer mass of these is nearly immovable, so i need only worry about air-borne vibrations. Sean
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My Alex Mk IV sits on a MDF panel which is suspended from the ceiling with 4 vinyl coated wires. Horizontal motion is restricted by small wire loops between the wall and the MDF panel, but the apparatus is in free suspension when playing, since the loops do not touch the wall at that time.

Certainly solves the footfall problem!

Sean, actually now you also have to worry about earth borne vibrations! You now have a seismograph, albeit somewhat isolated by the TT suspension, but not the low frequencies vibrations that precede and accompany earthquakes.