Time to upgrade or no

I'm using a Pangea ac9 mkll power cord on my 2 channel b&k.I was looking into a morrow map2 power cord as a upgrade would this be a worth while venture?
I went ahead and bought the morrow map 2 pc
i wanna give marrow a try
Get a Purist cable or get nothing as its much better.
What it the best way to break in this cable do u have to run it through a amp or something with just white noise signal
I have a apc15 power conditioner which has a stock power cable if I moved the Pangea over to that would it make a difference?

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