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I have to side with the non-directional faction on this issue. Nice explanation, Dean - it makes a whole lot of sense to me. I can buy the argument that electrons might flow more easily in one direction than the other, but they've got to swim in both directions to transmit audio signal, so it's not going to matter which way the cable points. The only argument I could see for having an arrow on your audio cable would be that (correct me if I'm wrong here, electronics experts) on a shielded cable you're only supposed to connect one end of the shield to ground so as to avoid ground loops. So assuming that all of your cables have arrows on them, and all of the arrows are pointing toward the amplifier end of your signal chain, then that would mean that all of the shields are connected at the "downstream" end, like they're supposed to be. Now, I could possibly be convinced of directionality in digital cables, since they're not carrying an alternating current. My $.02, -Hans