Rigidity of Theatre Dimensions - AVS Forum
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post #1 of 6 Old 08-14-2012, 07:12 PM - Thread Starter
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I'm currently planning a basement for a new house. I have a 9' house but due to the layout of the main floor I'm having a time avoiding a width of 18'. I'm of course trying hard to avoid a common denominator but it's a challenge.
Should I try to avoid 18' by a full foot? What about 17'6"? What about 17'11"? I know it sounds ridiculous but it's been the worst game of Tetris to try and fit everything in! Thanks!
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post #2 of 6 Old 08-14-2012, 07:29 PM
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I wouldn't give up a foot of length or width just because on paper you think it will be a 9 ft ceiling. By the time you add furring to work around that gas pipe running smack down the middle of the room, and you add soundproofing clips and channel that room might end up being 8 1/2 ft. Get the house built and you can always adjust a basement wall later.
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post #3 of 6 Old 08-14-2012, 07:56 PM
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There are NO golden ratios. Don't worry about modal issues at the moment. Make your dimensions the largest you can afford. Square footage is leaps and bounds more important than modal issues.
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post #4 of 6 Old 08-15-2012, 08:43 AM
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Admittedly, SMB and DC possess agreat skill set and a significant amount of experience, and they are vastly more experienced than myself in this area. But I do think it's prudent to proceed as you suspected,...with an eye on potential dimensional issues. Isn't it true that finished surface dimensions that are multiples of one another (16x24x8), should be avoided if there are options?

Yes, there are methods and approaches to mitigate an otherwise "un-golden" ratio'ed room. Extreme example; One could fill an entire boundary will loose-fluffy, scrim it off with AT fabric, hang diffusor/scattering stuff on the AT fabric faux surface,...the system "sees" the bigger, well damped acoustic, the listener experiences the two halves of the Schoeder freq differently. Yes, extreme, just sayin cool.gif it's what I'd do with blank slate and deep pockets.


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post #5 of 6 Old 08-15-2012, 09:12 AM - Thread Starter
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Quote:
Originally Posted by SierraMikeBravo View Post

There are NO golden ratios. Don't worry about modal issues at the moment. Make your dimensions the largest you can afford. Square footage is leaps and bounds more important than modal issues.

Thanks very much this is my first built house and theatre, appreciate the advice!
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post #6 of 6 Old 08-15-2012, 02:04 PM
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Quote:
Originally Posted by killswitch1968 View Post

I know it sounds ridiculous but it's been the worst game of Tetris to try and fit everything in! Thanks!
I think that is a pretty good analogy.

I am right there with you on trying not to screw something up that you may have control over. In some ways, it is almost better to have some hard physical constraints instead of a blank sheet of paper. At least with the constraints, you can say "I did the best with what I had."

I am currently asking my own Noob questions in a different thread ....
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