Originally Posted By rrlev
Ok I’ll bite ... how did you ever figure out a filter and stuffing would do any thing
Did you hold up different objects and determined that by trail and error ...
Did you test the lady at Fannys fabrics first or did you go straight for the pillow stuffing? Did any animals get harmed in these tests?


I did some math and physics. If you look at it closely by clicking on the thumbnail, you'll see it's a combination diffuser/absorber. I also did testing with human subjects and they were not harmed. The depth of the imaging, particularly in the centre, is significantly improved.

Having furnace filters like that on the wall looks kinda cool. I'd like to paint them but I can't find paint with the right acoustical properties.

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated