I have tried it on my amp and source (phono pre and digital). I like it everywhere. As far as saturation...I don't know. Maybe email Kimber?
Expensive? They claim the R&D costs on this "thing". Anyway. for about $1k list price, it's one of the best and priced in the middle. Used for $650 +/-, they are steal. If you can find one.
I just bought a 2nd...