Originally Posted by
johnaec
An EQ won't get rid of undesirable room nodes, so if you compensate for them at one location with EQ, you'll have an unwanted effect at other locations. Acoustically treating these nodes in a room generally is aimed at fixing the bad spots without having an effect on the good spots, so you end up with a better overall setting to start with. That's why recording studios are always physically optimized first. If it didn't make a difference, people would just leave all the walls hard, etc., and just fix it with EQ. It doesn't work that way...