I use oratory’s harman preset but I half the bass at 105 hz down from 5.5 to 2.75 and it’s the perfect sounding headphone in my experience. Lifts the veil, adds some punch to the low end, etc. generally the perfect sound for me.

I should note that in this configuration the ananda is actually superior but comfort and durability wise I’m not so sure. And my 600 also had worn pads too, so with fresh pads the 600 would probably still compete

I've found this AutoEQ convolver preset to be much better than oratory's.

Tightens up the sub-bass but leaves most everything else stock.