I have responded to this thread before, but every time I see it, I am amazed that anyone could be THAT freaking stupid. To think......there are self proclaimed contractors out there that not only give the rest a bad name, but are complete idiots. It is amazing also to me that the guys that put this system in are still alive. I would think they would have walked off a roof by now or drowned in their bath tubs.
They should be charged with attempted homicide, or committed for incurable retardation.
Sound installation practices is the key to success. Equipment is only as good as the person installing it.
If I can't fix it, it ain't broke.