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Re: Dielectric Absorption

Whether better dielectrics are snake oil is in the eye of the beholder. If one is driving a long interconnect cable with a high source impedance, for example (like from a passive line stage), the dielectric does have a bearing on HF extension due to cable capacitance, all other physical parameters being equal. A better dielectric like Teflon will lower cable capacitance per unit length, and in the case of a high source impedance driving the cable, it can make a measurable difference in HF extension in frequency response.

I personally think dielectrics impact the sonics of wire. Unlike the metallurgy, where I do not necessarily consider silver superior to copper, I've consistently preferred wire with either a PE or Teflon dielectric over wire with a PVC dielectric. If you think this perception is in my head (due to lack of measurable substantiation), oh well...
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  • Re: Dielectric Absorption - Todd Krieger 00:02:53 04/30/04 (0)


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