What got me thinking about this was the fact that many people that I listen with have great equipment and just basic speaker cables. I was hearing things on their systems that I was not hearing on mine. It got me thinking, how can these systems sound so great with home depot speaker wire?
Simple: everything matters. Come listen to my system with lamp cord, patch cords, and freebie rubber power cords. I will pull them out of my junk drawer and put them in special just for you. You will be floored how good it will sound. Because if that is all you hear that is all you know, and you will be impressed. Just like with your friend's systems.
Then I will change just the speaker cable and your jaw will drop. Then I will change the interconnect. You will not believe it. Finally the power cords. It will be a whole new system. Each time. By the time we are done your mind will be boggling how anything could ever sound so good.
It's because of those wires you think don't matter.