The diffusers I use are foam version of RPG's. A hot wire cutter can slice these from the pattern of your choice. Mine were built by a local guy and cost was VERY low.
Here is a link to them in my system. Click the image to make larger so you can see a little more of it.
http://cgim.audiogon.com/cgi-bin/vs.pl?vaslt&1022712214&viewitem&o6
Here are the originals:
http://www.rpginc.com/projects/inst.htm
Here is a link to them in my system. Click the image to make larger so you can see a little more of it.
http://cgim.audiogon.com/cgi-bin/vs.pl?vaslt&1022712214&viewitem&o6
Here are the originals:
http://www.rpginc.com/projects/inst.htm