I back grannyring here!, cables, mmmm, well lets see, I will give a small example, The effect is more so with speaker cables, also, this depends on the model and brand of cables, we all know, all cables are not the same, I have a pair of 10 inch Tara labs omega jumpers that I use on a pair of JBL L-7 speakers that I have modded, underneath the speakers, and using these jumpers, First off, These jumpers are one of the most profound up-grades over anything else with cables, as far as I am concerned!, These jumpers did not take long at all to break-in, makes sence because they are 10 inches long, I reversed the jumpers, my wife was in the next room at the back of the house, not even a whole song went by, she come running into the listening room, she said, what did you do?, Of course, I knew, and could hear a huge diffence!, so I said, what do you mean?, she thought the system blew somthing, she asked me to put the jumpers back the same signal direction, wala!, very magical sounding to say the least., cheers.