Levels of electronic design perfection had a cost corresponding to each level ...
Levels of acoustic controls had a cost too in money and in studies and experiments ...
Optimal acoustic satisfaction threshold exist at a very high cost in price and in time and acoustics understanding ...
Minimal acoustical satisfaction threshold experience exist also.... At a lower price but with the same time cost in consuming studies and experiments in acoustic ... If not by yourself homemade, it cost 100,000 bucks to give the job to a pro by the way ....Few costly panels is not acoustic control of a room ...