How to diy a diffusion board?

[bmpa]

How to diy a diffusion board?

Any information about diy acoustic treatment

 

[pinkmouse]

If you do a search you can find loads of stuff, try this link for a start:

http://www.diyaudio.com/forums/showthread.php?s=&threadid=24519&highlight=

 

[sonyacer]

What wood do I need ?