Quote:
Originally Posted by Normandy74
I have an enclosed basement room. I have created a 8x8 booth with full height rockwool base traps, moving blanket/ foam walls etc.
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That's your biggest issue. Four equal length walls makes for a terrible recording environment. On top of that, it's a small room. You likely have all kinds of standing wave issues that are building up amplitude due to the room being square.
There's no easy fix for that and you can't dig yourself out with better equipment. You might be able to make it a bit more tolerable but you're going to need thicker rockwool traps and plenty of them. Moving blankets and foam are useless for the problems a square room creates.
If busting out a wall and extending the room a few feet isn't an option, the only thing you can really do is add more traps. The low end buildup in a square room is going to be significant. I'm guessing, but I think you'll need to go with 8" thick traps in the corners and 4"-6" traps everywhere you can fit them. And even if you do all that, it's likely not going to solve all the issues. It will be better, it may even be minimally suitable, but that room is never going to be well suited for recording.
I know that's not what you wanted to hear but square rooms come with an elevated set of acoustical problems compared to other rooms.