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DYI diffuser kits/plans

Hello,

I am long overdue for room treatments. Does anyone know of any plans for creating diffusers and/or absorbers? I have searched the archives and did not see anything. I have also checked other sites. The kits that you can buy seem to be about $100 for a 24X24 panel (diffuser). I am hoping to make my own. Also, Room Tunes, is it possible to build something like these?

Thanks, Paul
pmwoodward
herman
1,974 posts
 
I have also searched for info on this but this is the best I have found.

There is enough here to build some but it doesn't give details on how to calculate the upper and lower cutoff frequencies, just some examples.
mrderrick
291 posts
 
Look for the "Master Handbook of ACOUSTICS" at your local bookstore. I picked up a copy at Borders Books for $35.00. Have fun!
jdombrow
371 posts
 
Try this:
http://www.audioasylum.com/audio/tweaks/messages/1725.html

Also see John's website, although I'm not sure this article is posted there:

http://www.geocities.com/jonrisch/index2.htm
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