Originally Posted by
dirty_bass
With EQ you are essentially building a jigsaw out of all the sounds. Making them fit together.
With Subtractive eq you remove the frequencies that you don`t want, on each sound, rather than boosting the frequencies you want to emphasise.
It`s how all professional mixes are done.
It makes a tidier, cleaner mix, and sounds more natural to the human ear.
There are many articles on the net about it, really, anyone serious about producing needs to know about and perfect this side of production.