or try the B+M addis drainer mat things - you'd be very suprised just how effective they are, and no marks. I use em on my Mission 751's and they are better than spikes soundwise - can feel less energy is passed into the stands. Used with the B+Q "bumpers" suggested early in the thread - never got round to trying the harder "bumpers".
I stumbled onto this incredible upgrade a few weeks ago when I began experimenting with interfaces that might reduce the amount of energy going into the floor from my Tannoys. Among a few things I tried were pieces of Addis sink mat protection stuff (see pic below). Not only did placing...
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