Perhaps the most notable was "component isolation". I was a skeptic of most tweaks, etc, like most people start off. It’s just hard to believe that some of this stuff works. Many years back I read about pumice stone under a CD player @ TNT audio(?). I hate guessing about something. The tweak was $3 worth of Pumice stone from a dept. store. OK, That’s cheap enough. So lefts try it. I bought 2 pumice stones and cut each in half. My mind was telling me that I could put an end to this ridiculous idea by disproving it. So, under the cdp it goes and...........................................................WHAT? Huh? It didn’t take long and I was hearing a bigger soundstage, and more air. The music floats on air rather than being cast or shot out from the speakers. (Hey, I ain’t no reviewer. I don’t know the fancy words to describe it. Said another way, "It sounded noticeably different and better.. From there I found a recipe for DIY roller blocks. These are even better.
From there I moved up the $$$$ scale to an Oyaide R1 power outlet @ $175. I felt really foolish spending my $$$ on this with NO $$$ back return offered. When I heard the difference IT made, I felt like someone was playing tricks on me. How could this be? I hate things which don’t make sense to me