On the wall huh? That would make it easier on my bad back when working on these darn things!:D
Finally spend some time on the couch and adjusted the levels. I find that they work best when they shake at about the same level as my Tempest is already shaking the room!!
If you have a sub that...
Finally got two of mine installed. They are "Y"'d off the sub output, into an extra 20W/Channel receiver I had laying around. They are connected in parrellel to only one channel of the receiver. I have not had much time to play with them, or adjust them in. Here are a couple of pics.
***Cut...