Gene, I suspect a big reason I heard such a difference is because the USP-1 replaces the weakest part of my system, which is the Pioneer 56-TXi receiver. The rest of the system is significantly higher quality. Most people probably wouldn't hear as big a difference. Also, the source material is...
The last several years as movies have taken over my audio system, I've often wondered how much the sound quality has suffered when listening to music. I used to make a point of having as pure as possible a way to listen to music. The best setup I'd had was using a pretty decent Nakamichi CD...