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In Reply to: Re: polyurethane posted by Lew on February 14, 2005 at 06:31:51:
That is my impression, also. Probably the reason that round magnet wire air core inductors don't sound worse than they do are the unavoidable air gaps between turns also. Several years ago, I built a small 2-way speaker system using, in the xover, Solo foil wound inductors having polyester insulating tape (which is a better dielectric than polyurethane or nylon, but not nearly as good as, say polypropylene) and I was disappointed in the relatively strong negative effect the insulating tape had on the SQ (lacking air gaps - it hardly sounded better in this regard than round wire air core inductors). So, as soon as I could, I replaced them all with Goertz foil wound inductors which used polypropylene insulating tape, which sounded substantially smoother and more neutral than the Solos.
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- Re: polyurethane - Tom Dawson 08:07:41 02/14/05 (0)
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