A vacuum is the best dielectric? Since this is not pratical would air be the next best dielectric or would there be a better sounding dielectric like cotton? Would there be a difference for speaker wire or interconnects? Thanks
Silversonic/DH Labs has a dielectric on their Air Matrix Cable that is a Teflon material that is actually 70% air. Think of it as a less dense Teflon foam.
I believe Chris Sommovigo of Black Cat Cable/Stereovox/Stereolab and Kimber designs etc. used a braided foamed aeron material as well in his later Lectraline series, again lots of air for the dielectric present!
Some reasons to admire a design such as Anti Cables are (1) no dielectric, (2) no jacket, (3) no shielding, (4) high purity copper and last but not least, (5) directional ARROWS.
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