Turntable isolation

I can’t think of a single turntable, modern or otherwise, that uses Sorbothane feet. Maybe there is one somewhere.

That's why I am in the basement. Concrete floors 6 inches thick. By choice. My large reception rooms with marble fireplaces lie unused.

I’m not sure that any table can withstand very springy floors. My Linn was horrible in this regard, but totally cured by a wall shelf. My current Basis is better than the Linn, but one would have to tread very, very lightly. Again - wall shelf mounting cured the problem. My point being, if you are having problems with the VPI, you are likely to have problems with almost any table in the same location. IMO. I think the Music Hall tables use Sorbothane between the layers of the plinths, but I’m not sure about the feet. BTW, if you are looking for a better turntable location, try placing a half glass of water on the intended shelf and walk past it. The movement of the water, or lack thereof, is not a bad indicator of how much floor vibration is transmitted to the shelf. Good luck. I really recommend a wall shelf. It makes analog a lot more pleasant when you have springy floors.

Springs or sorbothane can both be brilliant at isolating the turntable from resonances but only within a fairly narrow movement/frequency band. Project and Roksan have both successfully used sorbothane/rubber decoupling for years but neither would work well if the they were used in a car, on a ship, or a plane. You really need to first look at what your turntable is sitting on. In turntable terms it’s probably wobbling like crazy.

As chayro said it’s unlikely any deck can withstand springy floors so a carefully located wall shelf (walls resonate too) may well be the best option. Alternatively, you could try to isolate the table that the deck itself is sitting on.

The good news is that whatever method you chose - tracking performance and hence sound quality - will improve.