If the vibration of the earth is relevant then you need to isolate yourself from it as well. Stick some podia under the feet of your listening chair.
Boing boing.
$25k speakers, are we there yet?
ASR members walk away. For the rest of us.
These big expensive speakers really do need the stars to align for us to ever reach their potential so when my last speakers didn't do well with the source I had instead of upgrading the source I swapped speakers. What do you need to hear/see/know about your speakers to take the next step and build a 20 year system around them?