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More claims. No proof.

"RF is very sensitive to impedance."

I have to assume you mean radio frequency currents driven by radio frequency induced voltages (since the only thing that is 'sensitive' to impedance is current).

"By manipulating specific electrical characteristics to purposely alter impedance in a controlled manner, the susceptability to picking up external RFI and / or conducting existing RFI already on the line can be drastically reduced and / or negated."

Excellent. Now explain how and we're done here. A mathmatically model is usually best for explaining this electrical stuff.

"The same can be said about EM fields to varying extents."

That's funny because "EMI" and "RFI" are the same thing. What causes RFI? Is it not an EM field resulting in induced voltage (transformer action) in cables that drives a current commonly referred to as noise? Does not an induced "noisy" voltage drive a "noisy" current?

Again, we're seeing much "this is how it works" with no mathmatical models behind it. Your "explanations" are more thesis statements than explanations - they offer no explanation at all, they merely state a theory.

Proof may be in the pudding with listening tests. But not in engineering. Proof is in the math. Feel free to post some of the many measurements you have taken to demonstrate your claim in the bold typeface above, if you feel that would help demostrate your theory.

In fact, until you step up to the plate and define WHICH electrical characteristics you are manipulating, how you are manipulating them, and how this directly (or indirectly) affects RFI conductivity, there is nothing to prove or disprove here because nothing has really been said.

Cheers,
Presto

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