GIK Acoustics or Real Traps are both great people to deal with and will assist with your issues/problems/questions.
SuperChunk will work a little better than air behind. Ethan has stated this many times.
Another solution to cover more area is, instead of straddling the corner, have two 4" panels on each side wall going away from corner.
SuperChunk will work a little better than air behind. Ethan has stated this many times.
Another solution to cover more area is, instead of straddling the corner, have two 4" panels on each side wall going away from corner.