AC Regenerator


Does anyone who has a hi end system use a AC regenerator?
If yes, how much (%) the sound becames really better?
Worth?
Which is the best brand? 

Thanks a lot,


sacresta

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hifiman,

Sorry if you think I'm angry. It's a matter of haste.  All contribuitions are wellcome. 
But somethimes the discussion goes so far from the topics that the objectivity is lost.
If you observe, this is the third time I ask about.
And I need a consistent feedback for an eventual decision, nothing more.

Thanks
If you want to BUY a NEW regenerator, there really is only one. PS Audio brand.   
Lots of folks are selling older ones.                
I own a PS Audio P600 I paid $1000 for it seven years ago.Yes it improves the sound. Like anything audio, the cost is not equal to the improvement.    
I also own a Furman REF20i/ Is one better????
I suggest buying it from someplace which you can return it if you do not like it.