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pedroeb,

It looks like mine is going in the opposite direction, that is, the positive pointing in the direction of the signal flow. It seems like that should be the correct way.

ozzy

my mid-fi has daily battles with stray electrons in my electrical system and these little buggers like to backfeed low voltage thru my Amazon USB cable that carries signa lfrom my MacBook Pro to my SU8 DAC, so I wasn't expecting much. I started by strapping on a battery, maybe dead I didn't check-  near the USB end that goes into my Re-Clocker on the SU8 DAC. hmmmm.... it does sound a bit more defined and separated... found another battery and velcro-ed that missing link to the speaker end of an XLR...hmmm.... by the way do these batteries have to be charged? ima gonna follow up on this...

I'm still a little confused on the orientation for the batteries (it seems like I'm not the only one).  If a key part of this tweak is to orient the weak electromagnetic field from the batteries to mirror the current flow in the signal cable shouldn't the Negative "-" terminal on the battery point towards the destination?  I thought that electrons have negative polarity and flow from - to +, However, for whatever reason way-back-in-the-day the labeling convention was established that depicted the flow as being + to  -, hence the markings on batteries today.  Can someone clear that up for me?

steakster

Audio signal cables are Direct Current (DC).

It isn't clear what you're saying here. An audio signal is AC. You definitely have a problem if you have DC in your audio signal.

A cable itself is neither AC or DC. It's just an electrical conductor.