I'm just finishing my first LLT build and had to share my excitment! After a LOT of reading here (and pressure from my speaker engineer friend
) I finally built a LLT sub... ok actually two LLT subs
The two subs were built with a total of 8 10" woofers in a 25ft^3 box, tuned to 16hz (8 4"x32" ports).
It mounts in the garage directly behind our entertainment center. Two 11"x41.5" holes were cut in the living room (had to do that while the wife was on vacation
) behind the enterainment center. The nice thing is that you cant see anything unless you look behind the enterainmnet center.
Based on the computer modeling, the plan was to use some slight EQ'ing to get the response flat down to 18hz. After the first test of the system, I'm so blown away that I'm having second thoughts about wanting any more low bass output! Things at the opposite end of the house are rattling
Once I figure out how to get consistant results from REW, I'll post the in room results. I just used REW for the first time a couple of days ago... still in the learning curve part.
If you are interested in some pictures, they are here-
http://home.comcast.net/~jhidley/Subwoofers/index2.html
If you happen to notice the uneven mounting strips, the local hardware store ran out of metal. Also, the tan boxes under the subs are my old 10" sealed sub boxed that I was using until this project.
I also wanted to thank everyone here who has posted there sub building projects. I probably wouldnt have made the commitment to cutting holes in the living room if it wasnt for all of the happy sub stories!