Hey, this weekend I was using my new Schroeder 1210L, and had my 6 space rack on top. At one point, the 1/4" plug from my wireless popped out just enough to stop the signal flow. Once I pushed it back in, all was well. What I'm wondering is, would putting an Ampwedge inbetween my cabinet and my rack help with any vibration? I don't want to have that happen again. I know I could put my rack somewhere else, but it's pretty convenient where I had it. It would also be nice to have it slightly angled for better viewing of my rack-mounted tuner and such. Thanks for any helpful comments.