Originally Posted by mfogal9
Trust me, I've gone back and forth on this a number of times which is why I was curious what other people think. I'm leaning towards taking the closet out and building a false wall at the front to do an AT setup because that is probably the best for long-term use. We have a 2nd baby due in August, so chances are in 3-4 years I'm going to wish I had the extra space. With the closet out, I could have a false wall 3 feet out to allow for rear access, and still have 20 feet of room to fit 2 rows of seating with a good sized screen. Thanks for your input!
Just to challenge your thinking....if you want more space enough that you'd take out the closet, why would you want to build a false wall that is essentially the same depth (if not more) than the closet you'd be taking out? Sure, the equipment needs to go "somewhere" but that seems like taking from the left hand in putting it in the right.
If space is your primary concern, why not get rid of the closet and put the rack in the wall on the other side (as you mentioned earlier) and keep the 3 feet of space in the front, giving you plenty of room for a comfortable second row?
Also, one of the things we haven't discussed is how big a screen you are considering.
There's a few schools of thought about where the sweetspot should be, and they don't necessarily work together.
It was mentioned earlier that for audio, you should be at 2/3 of the room length for the best bass response. True, but sometimes we don't have the luxury of doing things the most ideal way. Rooms, needs, and priorities all factor in. Maybe your 2nd row is at 2/3rds of the way back. Maybe you just try to get close enough to it.
But video also plays a big part. Just like the 2/3 of the room audio recommendation, the video recommended distance is to sit roughly 1.5x the size of the screen. But THX and SMPTE have different recommendations anyway. For a 120" screen, their recommendations for viewing distance are 4' apart from each other! And thats a pretty reasonable screen size for most dedicated theaters. Take a look: http://thehometheaterbook.com/home-t...wing-distance/
Take a look at this post as well, which has very similar dimensions to yours. https://www.projectorcentral.com/pro...r&entry_id=784
Here's a great calculator for you to play with: https://www.projectorscreen.com/proj...en-calculators
All of this comes down to personal preference as well. I sit just about 12' away from a 110" 16:9 screen with 4k. For me, thats plenty close. For others, they want an even more 'immersive' experience. For my wife, she'd prefer to sit another foot or two back. Check the comments in that thread I shared. You'll see there's some pretty significant differences in what people prefer.
You need to do what is best for you, your room, and your family. Don't worry too much about being a few inches - or feet - off from an "industry standard" if it isn't feasible for your very-real-world use.