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Questions about dielectric

OK I'm trying to understand this new to me term "Dielectric" if some one can give me a couple paragraphs of what this is and how it effects my (in this case) Speaker cables I would be grateful.

I also have a question based on what little I do know.

in the following example

16ga OFC fine stranded wire

Wrapped with Teflon plumbers tape using a 1/4" overlap (resulting in
basically two full layers of tape)

Does any type of insulation out side of the Teflon tape cause a problem with the Dielectric properties of the cable?

Would having an air gap between the Teflon tape and any other type of insulation be an improvement?

I'm just starting to try to understand some of these terms and methods with the goal of being able to DIY a couple of different Speaker cable ideas I have.

Any help (yes I know about the Home Depot extension cords)will be greatly appreciated.



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  Michael Percy Audio  


Topic - Questions about dielectric - Mark W. 09:22:44 12/16/06 (3)


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