Yesterday I received a new Bolder Cable linear power supply for my 2011 Mac Mini which was modded by Wayne by removing the stock internal switching power supply and installing a female, barrel style connector for the new PS.
After installing in my system and a brief warmup, I listened for three or four hours. I must say that out of the box the linear supply made a startling improvement in SQ-- deeper, tighter bass, more air/ space between performers, more detail and a black, totally silent background. Just more musical and hard to believe I was listening to a computer.
This upgrade is not a minor tweak. The Bolder Cable linear PS has made a major, significant improvement to my system. Thank you Wayne!