Audioquest NRG Z3 power cord

[zoran_pavlovic]

+1 in Z3 crew
I was reading this discussion yesterday, and it made me interested does Z3 really makes any difference(s) in Devialet Sound.
I went to the store and took one. Well, don't know is it a placebo effect or not, but seems to me that I hear much more details now especially in highs and treble are more defined. As for bass, seems to me that is somehow tight - not relaxed. But let's see in the next 5-6 days what will happen.
BTW, I was a non-believer that cable in this price range can make any considerable difference. But, I was wrong.
The next tweak might be Niagara 1200. I'm not sure it doesn't kill the dynamics in case it needs to deliver a lot of current in peaks? I heard that this shall not be the case, since Niagara 1200 utilizes passive filters.
How's about your experience with Niagara 1200?
my speakers are Dynaudio Evoke 50. 

thanks