Scott that is almost the same size as my room which was 17' 8" x 15' 1" before the inner walls went up. I ended up making two decisions becuase of the length one I went with in wall speakers and two I went with theater rockers for the back row. Both worked out great for us and we have been happy with the theater. I look forward to following your build.Long time lurker, first time builder of a single-purpose room. I have had two theaters, both open to other spaces and not as perfectly tuned as I would like. I am looking to build a more permanent installation and have spent a lot of time planning for a larger room in my house that we have now agreed would be better not to alter, which leaves me with a smaller space. It is not the smallest discussed here, certainly, but I am struggling with positioning. I'm not ready for a build thread yet, so let's call this my questions thread.
The new space is a max length of about 17'3" (probably a liitle less after refinishing walls) and a width of about 15 feet, depending on exactly where I place the new divider wall. I am planning for making it as close to 15 feet exactly as possible to ensure room for a centered door on sidewall to open inward without hitting seating and to have not much less than 30 inches per side to walk to the back row. There is a little bit more width available but I plan to use that for a dramatic entry way. The final dimension is also a disappointment as I lose the 98inch height of the original room, all the way down to 91", which makes riser height a concern.
I suspect I will not have room for a false wall and perf screen, so have been assuming I'd have a solid screen fairly close to the wall with speakers below. I've not had a perf screen before and I frankly am not sure I can localize voices below the screen anyway, but perhaps visitors could. The projector throw will become a problem if I bring the screen too far into the room. Do I need to reconsider the screen?
At 17 feet, I am not sure about seating placement. I envision two rows, ideally 4 up front and 5 in back for nine total. which will seat my kids, their cousins, and the parents all at once. First guess: eyes/ears somewhere around 9 feet and 15 feet, but that puts the front row smack in front of the door and close to the centerline, which is an acoustic concern. Suggestions? I originally considered a bar in the back of the room in my first design, but that would have been a 3rd row in the other space. Can a bar be done comfortable enough to be a valid second row?
I did the riser calculations for my larger space but it has been so long I will have to start over on interpreting my spreadsheet for riser height. At 91 inches I wonder if I need to give serious thought to cutting into the slab to lower the center of the room. I did see a DIY on that, but I think my wife will want that done by a contractor, more for speed than quality.
Any thoughts on this space?