turntable isolation feet

The Vibrapod Cones work very well with the points facing up. The addition of Vibrapods below the cones can help, but the results are variable. I use CD "coasters" between the base of the cones (or the Vibrapods) and the surface to provide the ability to adjust for level.

Make sure to use paper between any of the Vibrapod products and the surface against which they rest since the black material can interact with surface finishes.

Turntable sitting on 3 feet made up of a brass plumbing bushing ring sitting on a granite sample block. 2 at the back, 1 at the front. You could also place 3 of the rings under each block. Almost free and very effective.

Noromance (funny name)
Can you be more specific regarding the brass bushing rings you used. I searched but everything looks like a pipe fitting...

Yeah... they are small brass compression rings. Ideal as they have low mass but are rigid and have relatively sharp edges. And they are brass which can sound good.

After 20+ years of trial and error with over 15 TTs owned I've come to the following conclusion, 3 adjustable brass cone footers sitting on top of a sandbox. I made my own sandbox for $22.00 and I currently use Dyton Audio adjustable brass cone footers that I bought on eBay for $35.00 including s/h.