Great looking theater!...Love the color and layout...How do you like the center channel over the screen?....the reason I ask is because that's where I'm committed to putting mine, when it's eventually finished.
I was afraid the center speaker would be distracting, but it's not. My other concern was that it would sound displaced (too high above the picture), but that is not a problem either.
The biggest problem was finding a way to mount the speaker. The Fluance AV-HTBs only have a key hole type mount space, and I could not find anything that worked well for hanging from the ceiling. I finally just made a shelf that angles down to direct the sound.
Sound system consists of Fluance AV-HTBs, HK AVR125 receiver, Dayton 10" sub, and cheap (but good) 12gauge speaker wire from Lowes. Total cost for audio was under $500, but I'm thrilled with how it sounds. (Thanks again forum members for lots of great advice!!)
Mike, I first built the stage using 2x8s and leftover plywood. (Aside: I tore out an old wet bar and kept the back shelf area - that's now the DVD rack. The old wood from the bar was in good shape, so I used it for the stage floor.)
Once the stage was done I framed out the two walls on top of the stage. The top of the arch is just a 2x4 screwed into the rafters. The curve of the arch is just plywood and simple framing. (Another aside: I had a happy accident when building the arch - I had already cut the curved step from a 1x10 piece of plywood and had the leftover scrap. The scrap turned out perfect for the arch curve!)
Once framed, I just covered everything with drywall. By bending the drywall slowly, and using cut pieces as necessary, it curved nicely for the arch. The worst part was mudding the edges. I used plastic edging, and it was a real pain to work with. (Remember: putty is my buddy.)
Dave, it is fun. But it took a really, really long time doing everything by myself. I never tackled (and finished) such a big project before, and the sense of accomplishment is great. (Corny, I know, but heck after all that work I'm entitled to a few corny platitudes.)
The arch walls are 16-1/2" x 4-3/4". The archway opening between the walls is 10-1/2 feet. Ceiling is 7'2" from floor. Soffits are 8" deep and 9" tall. (Check on the size of the recessed lights you want to use before committing to soffit size.) The real reason for building the soffits to begin with was for running wire through the room.
Columns are 13-1/2" wide and 8" deep. The space between the columns is 32-1/2" (sufficient for 27" wide posters). Measurements are as finished after using 1/2" drywall.
Screen size is 84" x 48". The outer measurement (with 1x3s) is 89-1/4" x 52-1/4". This is not exactly 16:9, but rather the actual size I got from my InFocus 4805.