DIRECTION OF SIGNAL FLOW VIA INTERCONNECTS

Some IC manufacturers use a ground on the shield of the IC to dissipate any stray electrical interference. They will often show which direction to use the IC based on which end of the shield is grounded. I can't hear a difference. I don't have much RFI but I do have EMI from power cords and AC lines. Either I don't have sensitive enough ears, a sensitive enough stereo system, or it just doesn't matter. Swap the direction and see if you can tell any difference for yourself.

Tgrisham--great point!

If you look at some of the cable recipes out there, there are differences in terms of whether the shield is connected to ground, and if so, at one or both ends. As I understand it, grounding the shield at only one end provides a drain path for any interference trapped by the shield. This construction method certainly creates an "end differential" for some cables.

This excerpt from Jon Risch's Web Site is where I first learned of this. In this example, he is refering to cables that have dedicated hot and a ground conductors, plus a shield (in other words, NOT a coax cable, where the shield is also the ground):

". . .the outer conductive sheath known as the shield should only be hard grounded at one end, typically the low impedance signal source end. The other end can either be left unconnected, or connected to ground via a 0.01 uF ceramic disc capacitor to aid in RFI suppression. This can be one of the basis for "one way" or "unidirectional" cables."

Whether or not this method of construction applies in this case is not known, but I hope this helps.

Yes - as others have already said - arrows should point away from the signal source.
JPS Labs put arrows on their cables and interconnects. I am so dyslexic I have to really pay attention or will get it backwards. Don't know if it makes a sonic difference or not - haven't tried them reversed but since the mftr. seems to think it matters - I figure why not just go with it? I suspect I wouldn't be able to hear a difference either way - but there's lots of other things to do before we conduct that experiment!

it is entirely possible, even if it hasn't happened yet, that one using a "shielded cable" installed incorrectly, could find very loud any transmissions of a CB user driving past.
Ouch!
the shielding send that kind of RF away. Think: Destination-downstream when it comes to arrows. Or anti-salmon stream. :)

spiro

Many cables ARE directional, and they will not sound right (Cardas case in point) if they are going the wrong way - I have tried it and you really have to have the arrows going in the direction of the signal path (as stated above by others).