Am i missing something without a power conditioner?


I need your advice on power conditioners. I know there is alot talked about with power conditioners. But let me explain my situation and what i have. First and foremost i upgraded all my stock power cords. I am using and have a Krell FPB 600 amp with a Shunyata Research Sigma HC power cord. I am using and have an Audio Research Ref 6 preamp with a Shunyata King Cobra Helix CX power cord. And have a Rega ISIS cd player with a Shunyata Sigma digital power cord. I have 1 dedicated 20 amp line with a 4 plug 20 amp wall outlet that my amp and preamp plug into. My question is with these high quality power cords do i still need a power conditioner? 
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Showing 2 responses by stringreen

you probably should try one.....only with the ability to return it.   I tried many, they always changed the tonality with an increase in something wrong.  You'll only hear the bugs after listening for awhile.
AudioTroy.....Richard Grey was the worst component I've ever had in my system....  Ruined the sound...couldn't wait to get it out.  (Ayre/Vandersteen)