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Originally Posted by weissguy  I have another question in the treatment of this room. I have just painted the room and have six 4" traps, four 6" traps and three 2" traps ready to go. I also have a bunch more IIG minwool, fabric and leftover auralex ready for more DIY traps.
The back wall will have one wall-wall corner with two 6" traps, the other wall-wall corner will have two 4" and it will not be straddling because of the closet door. The ceiling wall will have a 6" trap. Right behind me for the reflections I have the window and radiator to deal with.
My idea is to use two empty vintage Silvertone speaker cabinets. One of them is the 15" speaker with the head compartment, the other is a six-10" speaker cabinet. I was thinking I could fill them with the 8lb minwool and stack them on the radiator.
1. I bought a LOT of IIG minwool, so I wanted to know if I put two 4" layers of the 8lb minwool and placed it 8" from the wall and window - would this work okay or is it too dense? Would I be better off going and getting more 2" minwool and making a 6" layer.
2. Am I correct in assuming the "shiny" fabric reflecting doesn't apply to the old speaker grill, because it is speaker grill and should be acoustically transparent? I haven't taken it apart yet, but I think the baffle board is separate from the actual grill, so I'm hoping this will be totally open except for a small frame - otherwise I'll make a frame. |
The asymmetry of 6" traps in one corner and 4" traps in the other is probably not a good idea. Better to go with 4" on both sides and 6" on the back wall and wall/ceiling corners. Maybe do 2 on the wall, 1 at the wall/ceiling corner and another at the wall/ceiling corner above your monitors. You really should go floor to ceiling with the 4" traps, but you only have 6...you're going to make two more, right?
The Silvertone idea, while novel, won't work well. You'll be better off just using the 6" traps for the back wall.
8" of 8# mineral wool is too dense. 6" is about as much as you should go. If you have it in 4" thicknesses, then just stick with 4" unless you'd rather buy more in 2" thicknesses.
Frank