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Interconnects, speaker wire, power cords. Ask the Cable Guys.

RE: Does this make sense to you ?

There are seeming contradictions in the video. If the dielectric carries the signal at 78% of the speed of light (?, IIRC), and is faster than the conductor, then it sort of ignores the rational scientific basis of resistivity of materials, which ranks silver as #1 closely followed by copper. Most plastics are not even close.

I firmly believe that Cardas had something else in mind, otherwise why bother with the conductor and simply use the dielectric instead.

Empirically I know that dielectric material can affect the conductor , and some very detrimentally, particularly those dielectrics which use carbon as the coloring agent. Carbon itself, although used by such luminaries as A.J. Vandenhul, has very high resistance, indicating that it should have a noticeable group delay.

Perhaps he was visualizing the conductor and insulation interface as being a waveguide, factoring some air space, which can carry signal, particularly the highs( the bundled litz construction of the Cardas designs would lend itself to being sensitive to this artifact).

The interviewer, though, never asks the obvious questions.

The inductors he mentions for the phone lines can be seen in MIT and Transparent and Monster products, although I am sure they are adjusted for different frequencies. Brisson once said the boxes on his cable desings were to adjust for the differences in the three wire gauges used in his cable construction.

FWIW and YMMV


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