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PS Audio Power Plant 15........

Just got a PS Audio Power Plant 15 that I bought as demo from a dealer. The idea was to upgrade from Audioquest Niagara 1200. 
As soon as I hooked it up to my system ( Auralic Altair G1, Pass Labs Int-60, Audio Note J-Spe Speakers) I was robed of my beautiful midrange and the soundstage that was open and 3D holographic became 2D and receded to the back of the front wall. 
Did several a/b tests and it became ever so clear.
What could be going on? Obviously, changing from a 1K unit to a 7K unit one expect an improvement.
Thoughts and comments are appreciated.
bbenzaquen6343
dchang05
62 posts
 
I purchased BHK preamp, M1200, and P15 together three weeks ago. The first week they sounded flat and dull, but now they are phenomenal. It may well be PS Audio designed their gears to match well with their power plants. P15 may not give as much improvement to other brands as to their own.

Another huge improvement was adding an Audioquest Thunder AC cord to P15. It made a dramatic improvement too.
reven6e
44 posts
 
I think “huge” is an overstatement. I had a Pass Int250 with a dCS and in my opinion there were some subtle improvements - PS Audio gives you a more rounded sound and a blacker background but I can understand why in some systems the leaner sound  without a PP would be preferred / work better. 
barts's avatar
barts
765 posts
 
@hilde45

+1
barts's avatar
barts
765 posts
 
To the OP,  If you haven't already tried this I would as a test only plug source components in to the PP.  Leave the amp out, then if no improvement plug it all into the wall (no conditioner at all).  Also, go back to the dealer and have them plug it into a system and notice the change if any.  Good luck.
curlyhifi
158 posts
 
I would send it to PS Audio for Eval.You should be enjoying the upgrade
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