I first posted on spot mats back in 2006.
Here's a search of my AK posts on the subject.Start at the bottom to track the evolution of this method through my system changes:
http://audiokarma.org/forums/search.php?searchid=7925813
Here's couple of photos of the cork/foam combination on the plinth of my Yamaha PX-2.
I still use the combination of cork/foam spots used in conjuntion with the Boston Audio Mat 2,on my Yamaha GT 2000.
Here's a search of my AK posts on the subject.Start at the bottom to track the evolution of this method through my system changes:
http://audiokarma.org/forums/search.php?searchid=7925813
Here's couple of photos of the cork/foam combination on the plinth of my Yamaha PX-2.
I still use the combination of cork/foam spots used in conjuntion with the Boston Audio Mat 2,on my Yamaha GT 2000.