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Help Building an Audio Room

Hi All

I have been allotted a 15x15 x 10h room in the corner of my basement by the wife.
While I’m very happy to have a dedicated audio room, I have some questions and concerns. I’m hoping you all might be able to help. 

1) Three of the walls are poured concrete.  The space has crazy slap eco already and the 4th/back wall is not even closed in yet.

I am having the walls framed in, insulated, electrical, drywall etc. I am thinking of having them frame and build one wall an additional distance off the cement wall some amount so the room is not a square

Is that a good idea?  If so, how much out of square does it need to be to benefit from not being 15x15? Is 15x14 enough? Should I go for 15x13?  I can set up the speakers about any way I would like. 
 

2) Next question.  Should I have them install a certain type of insulation behind the drywall?  Money is an object, but now is my chance to build the room the best way I can within reason and to offset the square room I’m starting with. 
 

3) Anything else I should consider before/as they begin to frame, etc? 
 

Thanks very much!
 

jo1mtb

Showing 1 response by johnnycamp5

johnnycamp5's avatar
johnnycamp5
124 posts
 

Yes a rectangle is better than a square shape for your room.

But what’s better again is no “parallel” walls (no square corners).

Why not make the front wall (speaker wall) 13’ wide and back wall 15’ wide?

Now the the left and right side walls are not parallel to each other which is better still.

It would likely be visually unnoticeable …

Also the resilient channel is invaluable. Please don’t consider skipping it even though it’s a bit pricey, it makes a huge difference in bass response in any room. Or isolation clips which are better still. 

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