Axiom Home Page Forums General Discussion Home Theater Speakers fading in and out

16 gauge wire will not have any negative effect until approaching 50' into 8 ohms. It certainly would not have such an obvious effect.

Setting the mains to +5 and the center to -5 is pretty bizarre. If you don't have too many other things set up you may want to just try a factory reset to get rid of any strange setting you may have somewhere.