Power plant and power cords upgrades a real wow?

I concur with the recommendations to have AC house wiring installed that is dedicated to the stereo system.

Concerning power cords, in addition to the brands that have been mentioned another maker of good quality sensibly priced cords, which I and many others here have been pleased with, is Signal Cable.

In comparison with stock cords, that kind of modest investment will get you quality shielding (minimizing coupling of electrical noise both from and to the connected components), heavier gauge/lower resistance, and perhaps improved contact integrity. Perhaps also some very minor degree of improvement in responsiveness to abrupt changes in demand for current, although that would have little or no applicability to your system since you are using an amplifier which is Class A, and therefore has minimal fluctuation in its current draw.

For a surge protector/outlet strip/line filter, consider this Brick Wall unit, which I and a number of others here have been pleased with.

I also second Brownsfan's caution against generalizing about this stuff. IMO investing significantly greater amounts of money than the cost of the modestly priced products that have been suggested is unlikely to yield commensurate (if any) benefits. While I generally don't question the perspicacity of those who claim to have realized significant additional benefits at higher price levels, differences in component designs, as well as variations in AC characteristics at different locations, IMO introduce way too many technical variables and unknowns to allow extrapolation of those findings to other systems.

Regards,
-- Al

I have two dedicated 20 amp lines into my dedicated room. They made a nice improvement. I also have Porter Port outlets. The single best improvement however came from by BPT balanced power conditioner.

This as been my experience with each home and system I have listened to music with. I think the BPT Signature 3.5 is close to jaw dropping in what it does.

Serious money into cords/conditioners without dedicated 20A lines is like hauling bricks in a Ferrari. Sure you can do it, but not the best way to spend your money. Get two good lines, good plugs like Furutech or Oyaide, etc., and then think of cords. Don't use wimpy cords on big power amps. Bigger isn't always better. Good quality connectors cannot be underestimated. Jallen

Always, if you are seriously trying to clean up your electirc, have two dedicated lines for your amp and digital. Jallen is on with the plugs. A weak spot in your electric pathway will have a deleterious/contaminating effect on your electric journey to your components. This is what I suggest. Start dedicated, plug in a quality (do not go crazy, you'll find something used under three feet for $300 or so)power cord that will plug into a passive high quality power conditioner such as an Audio Magic or of that ilk. Then (very important) very high quality power cord to your source (first) and the rest of your components if $$ are there. Your sound will bloom. Major investment will stay with you longer that your speakers...lol...If $$ are a major issue? DEDICATION = the best bang for the buck.

IMO, wait for a used Audience AR6 (non-teflon) power conditioner to come up for sale and grab it. Yes, the teflon version is quieter, but the stock AR6 is outstanding for the money. You might even find an AR12 for very close to what you wanted to spend. Obviously, the degree of improvement depends on the amount of filth in your power now, which is impossible to know, but I've yet to see someone here say they got rid of an Audience because it was better without it. I'm not saying it never happened, I'm just saying I haven't seen it.