Ac cords or power conditioning first?

Gmahler2u, dedicated line is one power source from your electrical panel directly to one outlet. Nothing else shares this line in the house. Look at the isolation transformers too. Hospital grade Tripp-Lite transformers. I have two dedicated lines but still use these coming off the two lines. Re-generators may be better but I could not afford to keep the Exact Power EP15 that was loaned to me. If I could not run dedicated lines and had to start all over it would be transformer or re-generator, Oyaide outlet and then power cord. The power conditoners I used dulled or closed the sound. The transfomers also have surge protection.

One more Jp1208. I just got power strip call "Noise Trapper" and I use it as audio dedicated line. Is this as isolated power line?

Thanks for your input

Harmonic transients are going to pass through a power strip. Usually will not stop ground loop like a transformer can. If you can afford power regulation or regeneration with a good isolation transformer then go that route but I think for the money these Tripp-Lites are a good buy. I also have a Kleen-Line isolation/regulation transformer that I use on the T.V. and cable box etc..
Side note: I have two JL Audio F113's and they are plugged directly into the wall of course.

dedicated ac with good receptacles first.....depending on your equipment then try some power cords and do conditioning last if needed. get as many dedicated ac as you can get. for whats it worth I have 4 dedicated 20 amp circuits and they made the most difference in my system. also don`t forget room treatments the second most important next to dedicated ac.