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Advice on dedicated room

Hi everyone ,

I am going to start building my dedicated listening room in the basement soon and need some input. My ceiling is just under 8’ so would 2x4s be adequate for strength or would 2x6 be better? Second , I read an article where Robert Harley was building a new room and used the ISO wall system from acoustic sciences and was wondering if anyone here has used it and liked it. I will at the least use 2 layers of drywall and green glue. Lastly my space available is 15’x16 1/2’. I know that is too square and I can shorten the 15’ direction if needed but if we’re to put a 45 degree angle on two corners ( one corner is needed for access to another area) would that negate the “too square” aspect? Thanks for your input 
ronboco
ronboco OP
850 posts
 
@mike_in_nc  
Thanks for the first hand experience advice it is very helpful. I will add a system to my page when it’s all done. Ordered my speakers today ! 
@millercarbon 

I will probably be adjusting for a better ratio and the DBA is on my list too. I have Robert Harleys book and am reading it now in my limited spare time. I will go to the modes section and learn about it. It’s a fantastic book! Thanks for the advice. 
mike_in_nc
1,157 posts
 
Regarding bass: I agree with the suggestion to use a DBA. My main system has two JL Audio F112 subs, and I was delighted by the improvement when I added a third (a small B&W ASW 610) as proof of concept. That improvement went up another notch or two when the B&W went back to my desktop system & was replaced in the main system by an SVS SB-3000.

Just FYI, my room dimensions = 20.1 ft L × 12.5 ft W × 7.0 ft H. Calculated modes don’t agree terribly well with measurements. The effective dimension is not always at the interior wall surface, it seems.
baylinor's avatar
baylinor
1,424 posts
 
You can take a look at my system in my house of stereo. It includes construction pics and details in the comments section that may be helpful to you. Have fun with the process. Be patient.
mickeyb
581 posts
 
Home builder for 35 yrs.. 2x4 studs with closed cell foam on exterior walls. Open cell in ceiling. This is what I do in basements here in the Midwest to control temp and sound through the ceiling to first floor. Good luck. 
ronboco OP
850 posts
 
@baylinor and @mickeyb 

Thank you for the advice. I’ve received a lot of great input from everyone.  
@mickeyb 

Does the closed cell foam go between drywall and stud or in the space between the studs? 
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