A turntable in a corner is NOT a great idea. It's not even a mediocre idea. You don't want to put such a device where standing bass waves tend to migrate. This is a recipe for.., well you know the story...
What you need is here:
http://www.machinadynamica.com/machina25.htm
I used this on the highly sprung floor of my old house with my Spacedeck. NO floorborne vibrations WHATSOEVER when your table sits on this thing. I recently moved into a house with a slab floor (see system pics) and I thought I would no longer need this device. Wrong. It still improves the sonics when footfalls aren't even an issue.
Oz
What you need is here:
http://www.machinadynamica.com/machina25.htm
I used this on the highly sprung floor of my old house with my Spacedeck. NO floorborne vibrations WHATSOEVER when your table sits on this thing. I recently moved into a house with a slab floor (see system pics) and I thought I would no longer need this device. Wrong. It still improves the sonics when footfalls aren't even an issue.
Oz