I stained the grates that flank my Dif-Sorber panels but went with paint for the others both for practical and sanity-maintaining reasons. I used them to fill voids in my coverage that would break up reflections without deadening the room. This allows me to record in virtually any location of my space without fear of large parallel surfaces. In combination with the other panels, they make the space feel much larger than it truly is.
The Acoustic Grates
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