What type of diffuser goes on the back wall? - Home Theater Forum and Systems - HomeTheaterShack.com

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post #1 of 14 Old 03-10-16, 10:42 AM Thread Starter
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What type of diffuser goes on the back wall?

What type of diffuser goes on the back wall? In other words, what frequencies will I build for, low to high?

http://www.mh-audio.nl/DiffusorCalculator.asp

The front wall is 3" rockwool, sides will be with rockwool as well as ceiling. 1/2 of the back wall is 3" rockwool.

Dimensions of room, 8 ' ceiling, 12 feet wide, 20' in depth.

Thanks!
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post #2 of 14 Old 03-10-16, 10:53 AM
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Re: What type of diffuser goes on the back wall?

What is the room going to be used for? HT? 2 channel? Studio? I assume HT?

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post #3 of 14 Old 03-10-16, 11:52 AM Thread Starter
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Re: What type of diffuser goes on the back wall?

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post #4 of 14 Old 03-10-16, 11:56 AM Thread Starter
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Re: What type of diffuser goes on the back wall?

Diffuser will go at the top of the garage door.
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post #5 of 14 Old 03-10-16, 11:57 AM
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Re: What type of diffuser goes on the back wall?

Up there it's more for flutter echo so I would build for higher frequencies.

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Last edited by bpape; 03-10-16 at 03:52 PM. Reason: Spelling
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post #6 of 14 Old 03-10-16, 12:03 PM Thread Starter
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Re: What type of diffuser goes on the back wall?

Quote:
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Up there is's more for flutter echo so I would build for higher frequencies.
What's considered higher frequencies?

Also, would it be a better idea to move the absorption panel to the top and put the diffuser at the 2/3rd's spot? If so, would I build diffuser for different frequencies?
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post #7 of 14 Old 03-10-16, 12:16 PM Thread Starter
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Re: What type of diffuser goes on the back wall?

How far behind my AT screen should my speakers be? 2"? 6"?
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post #8 of 14 Old 03-10-16, 01:14 PM
 
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Re: What type of diffuser goes on the back wall?

Are you leaving the garage door as functional? We stuffed ours with insulation, and screwed it together to stop it from vibrating. We also built a fake wall up in front of it and stuffed it with insulation.

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post #9 of 14 Old 03-10-16, 01:55 PM Thread Starter
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Re: What type of diffuser goes on the back wall?

Quote:
ellisr63 wrote: View Post
Are you leaving the garage door as functional? We stuffed ours with insulation, and screwed it together to stop it from vibrating. We also built a fake wall up in front of it and stuffed it with insulation.
Yes, it will be functional.
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post #10 of 14 Old 03-10-16, 02:33 PM Thread Starter
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Re: What type of diffuser goes on the back wall?

Quote:
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Up there is's more for flutter echo so I would build for higher frequencies.
What do you consider "higher" frequencies? Is it 500 to 20K?
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