@kosst_amojan How should a chef measure the flavor of a meal? How does a nice young las who receives a bouquet of roses from her beau measure the fragrance? How do you or anyone else measure the incredibly complex process that is an individual's hearing? Are everyone's ears the same? Does everyone's brain process sound the same as everyone else? If so, is that a constant from which we can discern from your measurements that we all hear exactly the same?
Come on... your religion of "All things are measurable" is well... your religion. Does that make a tape measure or sound pressure meter your god?
Again...I sympathize that you can't hear cable differences or component burn-in etc. Truth be told, I would not process the smell of those roses well as my sense of smell is not nearly as acute as most folks I encounter. Wonder how we can measure that?