ksgoh, trust me.
I used to have a set of AudioControl EQTs in my set up and I tuned the system using RTA to get as flat a response as possible.
Then fine tuned using my ears.
It sounded good, no doubt about it.
One day I came across a set up in a Cefiro with bare basic set up with quite high end equipment.
Then I found something missing in my set up, the NATURAL SOUND.
The natural sound means we hear what we are supposed to hear, not those with salt, pepper and ajinomoto added.
I hope you get what I meant!! ;)