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Cable Geometry Question

I notice a lot of interconnect cables use 3 wires instead of 2, with 2 of those 3 wires from ground rather than signal. What's the advantage of doing this versus a twisted pair aside from lower inductance? Does it sound better this way? Kimber, for example, does this, but I believe some of their designs use 2 for signal rather than 2 for ground. And why use 2 of the 3 wires for ground rather than signal?
greg7
oldhvymec
5,101 posts
 
XLR or RCA or both.

Shielding for one, and noise canceling for the other on XLR (hot, cold, ground and shielding). I been using a multi conductor weave. 4 - 16 count.. DEAD quiet too.. RCA 4-8 wire weave. XLR 4-16 multi conductor weaves..

I like um!!

Regards
ebm
9,311 posts
 
This means nothing try Purist,Tara Labs,Furutech or MIT.Jump on one of these ASAP!!
fuzztone's avatar
fuzztone
5,600 posts
 
Didn't notice.
kijanki's avatar
kijanki
4,428 posts
 
Twisted pair reduces pickup from electric and magnetic fields, by exposing both wires to field evenly.  I works great as long as the pitch of the twist is much shorter than wavelength of the interference signal.  I'm not sure about 3 wires, but Benchmark uses 4 wires in Quad-Star configuration.  It suppose to expose wires evenly as well and in addition it is twisted:

  https://benchmarkmedia.com/blogs/application_notes/116637511-the-importance-of-star-quad-microphone-...
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