Yeah I like setup #2 as well. Look's more sonically sound & having the screen @ a 90deg. angle to a door/opening/window is preferable (helps minimalise glare). The big question though is how high will the screen be over the fireplace? You don't wanna break anyones neck :D
Ah good'ole Murphy's law strikes again! I had to get a warranty replacement on a mid-bass driver & tweeter for a QX6 & 8 (Neice dented the tweet, woofer just fizled out after a couple of weeks). I'm fortunate enough in that I live only a 5 minute car ride away from the Dahlquist factory...
Is the Dahlquist warranty only 1 year on the Orbits? I know the warranty period for my QX series is 5yrs. Something you may wanna doubble check. As for the sub...yeah it does sound like the amp is toast. If you live around Toronto you could always bring the unit in for servicing. Just...
I wonder if it isn't picking up some sort of interferance from something? Have you unpluged it from the receiver to rule that out? Maybe try another subwoofer cable or electrical outlet. You can also contact Dahlquist & see what their suggestions might be. I've found them good to deal...