Dual or single entry is still something I'm concerned about, so if anyone has any more thoughts or experiences, I'd be glad to hear about them.
I wouldn't be concerned about the "delay" of the audio signal reaching one ear after the other because there is an extra foot or so of cable between the ears. That seems ridiculous to me. But there are two reasons why single entry headphones raise slight red flags in my mind:
The first is that, in general, speaker cables of all kinds should be kept about even length. I've heard a rough figure that the cables should be within 50% of each others length or so. But I would imagine with higher fidelity and more precise application, you'd want them closer in length. I had the idea it was more about electrical factors and any interference that might be introduced on one channel and not the other. (Balancing interference and magnetic waves between wires and channels seems to be important, since it is the reason so many better cables are braided, so the different elements are equally exposed).
The second reason I worry about single entry is that we're paying good money for a higher quality cable than the manufacturer provided to get to the left ear. But for some reason, we trust the manufacturer cable to get to the right ear? I don't know if this is true or not, but one post somewhere said the k702 just has steel rods with all the problems introduced from low grade conductivity? I worry that upgrading the cable for single entry headphones would be like going all out on a top of the line box-spring but still using a dumpy mattress that's 30 years old. Well, something like that.
Does anyone, k702 owners or not, have any thoughts on dual versus single entry?
And do any k702 owners have experience modding them to be dual entry and if there were any sonic differences?