wall?

My HT is in my attic above my garage. While we have AC to it from the house (2 ducts) and an air return, it still gets warm. It's totally insulated BTW. In fact I think it's so well insulated the PJ heats up the room. I'm thinking of installing a window AC unit into the wall because the...

So, having lived with my Elektra N8 screen for a few months, its finally time to frame it. The screen is ~110"W x 62"H. I just ordered some Royalty 3 Velvet in black from JoAnn's using a 50% off coupon to force me to get started on the frame. I am looking for advice on how to best mount it...

I already have some treatments behind my front speakers and in one corner but they are just very poorly made 3 inch thick panels (good fiber but very bad diy). I want to add some bass traps in the future but really only have room along the ceiling If you could only put bass traps in corners...

I was playing around with how my speakers are positioned in our theater room. Is there a spacific guidline as to how far away a rear ported tower speaker should be placed from a wall behind it? My speakers are Mission 765's (two 8" drivers and a silk dome tweeter) they have a frequency responce...