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<blockquote data-quote="kross" data-source="post: 3353825" data-attributes="member: 577729">Actually I&#039;ve never noticed a difference between OFC and regular copper.&nbsp; But silver, yes.And yes, those things do affect sonic quality.&nbsp; Do you agree that an audio signal is an AC signal?&nbsp; Do you agree that all cables have a measurable inductance (L), capacitance ©, and resistance ®?&nbsp; And that these properties change with frequency?&nbsp; Do you also agree that changing any of those values will have an effect on the AC signal being passed through said cable?&nbsp; Insulator does affect the capacitance of a cable, PVC is especially bad because it doesn&#039;t have an equal dialetric coeffecient across the audio spectrum, it&#039;s higher at lower frequencies, causing it to attenuate higher frequencies, giving the cable a warmer sound.&nbsp; It also has a rather high dielectric absorbtion rate, which tends to &quot;smear&quot; the sound. Teflon has a very flat dialetric coeffecient across the audio spectrum, as well as polyethylene.&nbsp; Teflon also has the lowest DA rate.&nbsp; Cable geometry affects inductance.&nbsp; Usually you trade capacitance for inductance with changes in geometry. Much research has been done, there are countless technical documents published.And I don&#039;t buy speaker cables, I usually make my own, for much cheaper than can be bought.But for subwoofers, as long as you use a large enough gauge, you can&#039;t hear any differences at those frequencies.&nbsp; Use whatever is cheapest.</blockquote>

[QUOTE="kross, post: 3353825, member: 577729"] Actually I've never noticed a difference between OFC and regular copper. But silver, yes. And yes, those things do affect sonic quality. Do you agree that an audio signal is an AC signal? Do you agree that all cables have a measurable inductance (L), capacitance ©, and resistance ®? And that these properties change with frequency? Do you also agree that changing any of those values will have an effect on the AC signal being passed through said cable? Insulator does affect the capacitance of a cable, PVC is especially bad because it doesn't have an equal dialetric coeffecient across the audio spectrum, it's higher at lower frequencies, causing it to attenuate higher frequencies, giving the cable a warmer sound. It also has a rather high dielectric absorbtion rate, which tends to "smear" the sound. Teflon has a very flat dialetric coeffecient across the audio spectrum, as well as polyethylene. Teflon also has the lowest DA rate. Cable geometry affects inductance. Usually you trade capacitance for inductance with changes in geometry. Much research has been done, there are countless technical documents published. And I don't buy speaker cables, I usually make my own, for much cheaper than can be bought. But for subwoofers, as long as you use a large enough gauge, you can't hear any differences at those frequencies. Use whatever is cheapest. [/QUOTE]

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