Absorber Placement in L-shaped Room

Your room undoubtedly IS resonating at that frequency; 71 hZ is the first harmonic of both your height and width's axial modes. One way to verify this is to put your head exactly halfway between ceiling and floor, and exactly 4 feet from the front wall; this should be the minimum effect of the 71 hZ peak. Although more absorption in corners and on walls may help, there's not a lot of room in that size room; perhaps another way would be (if you're up for it) to build two panel resonators 4 feet wide and nearly ceiling high, tuned to 70 hZ - this will pull out much of the room's axial problems without affecting much else. If floor space is REALLY tight, building four such panel traps TWO feet wide by 8 feet long and placing two of them on the ceiling with their long dimension running front to back, and two more on the upper section of wall, also running front to back, can work as well or better. This would affect BOTH of the 8 foot dimensions which are causing the problem. To build these, you can use Ethan's plan for a LOW bass trap with one change - instead of 1/4" plywood for the face, use 1/2" ply instead. This will lower the trap's center frequency to your modal problem range. http://www.ethanwiner.com/BTPlans.gif HTH... Steve

If you've followed this thread, you'd know that I've been working with a small room, and have achieved some success using acoustic treatments. Now, a situation has developed where I could use some advice. Here's the issue: My wife wants to reclaim the space I've been using. She would like me to move to the other side of our finished basement. So, instead of working with an 8' x 11' room, I'd be in a 11' x 22' room with 8' ceilings. This room has a 4' hallway that intersects the room at 8' to 12' from one short wall. I'm not on a computer where I can sketch a diagram, but the room's layout would look like a "T" turned 90 degrees clockwise, with the 4' wide hallway making up the stem of the T. Here are my questions: 1. Should I move or should I stand my ground? 2. If I move, should I position my DAW on one of the 11' walls? 3. Would it be disadvantageous to turn my DAW sideways, and use one of the side walls, preferably one of the shorter walls split up by the hallway? I have several absorbers available: four 2' x 8' four-inch absorbers, four 2' x 6' four-inch absorbers, and several 2' x 4' one-inch absorbers. Thanks again for all the help, Nick