May I be so bold as to implore you gentlemen for some assistance? Ahhhhhhh, seriously, HELP! I’m getting muddy bass between 80 and 45hz (I think). I say this only because it is most apparent in music. Details: My theater is almost complete (everything but carpet & seating / I’m currently using a futon) but being an impatient American, I already installed my speakers. Unfortunately, the bass isn’t what I expected. I’ve begun to read up on room modes, peaks, nulls, frequency response and all the other things that influence the sound of a room. Prior to construction I did confirm that my room measurements would not create a HUGE problem. I was hoping that someone could point me in the right direction so that I can find a “quick fix” while I read up on room acoustics and find the “best fix”. So, here is my non-technical description of the problem. My room dimensions are 16’ 8” long x 11’ 8” wide x 7’ 6” tall (w/ a soffit - 6” deep by 13” wide). My fronts are full range speakers (Axiom M60s) and I have two 10” subs to compliment the fronts. Mids and Highs are very clear and accurate although I’m sure I need to address some reflection points. The bass however, is loud and muddy at certain frequencies. When the bass guitar dips down low, the bass increases in volume and becomes muddy. It is so prominent that it nearly cancels out the mids and highs. One thing I have noticed is that the corners of the room amplify the base. I knew this could happen but I never realized it could be so extreme (bass is nearly doubled in the corners). I should mention that my sub is in the corner and my mains are pushed to the sides of the room pretty far too (about 1.5’ from the wall). I should also note that the problem occurs with 2 channel and 2.1 channel music. LFE effects during movies sound good and are powerful enough to shake the couch. The problem seems to only occur when listening to music. So, any suggestions or links would be greatly appreciated. Quick edit: I should also add that my walls are staggered stud construction w/ 5/8" fireboard. They are extremely, extremely solid.