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In Reply to: RE: is there a better DIY speaker cable than the Jon Risch twisted CC 89259 speaker cable posted by mitch2 on August 09, 2015 at 06:04:12
As opposed to solid PEP Teflon and solid PE, foamed/cellular FEP Teflon such as VH Audio's propriety AirLok dielectric is the most transparent material I've experienced, while foamed/cellular PE adds a level of warmth which may be considered to sound more euphonic rather than that of a more transparent sonic signature, IME. YMMV
Follow Ups:
I agree with what you hear Duster.
As Jon Risch pointed out years ago, the foamed stuff sounds better than solid dielectrics.
I actually like that bit of warmth from foamed PE and find that Teflon adds a slight harshness to my ears, or maybe that is in contrast to the warmth from the foamed PE I am used to hearing.
In the past couple of years, I have found that my favorite is typically good copper in cotton, which I find to natural sounding with a really nice tonality.
Bare copper with a cotton dielectric is prone to oxidization and corrosion. A design like that won't bode well in the long term...
I believe the oxidization and corrosion issue is a bit overblown when using high quality copper in a (usually dry) home environment. The oxidation thing became a panic when folks like Monster Cables used crappy plastic coverings that reacted with their copper and caused it to turn green.
I have been making ICs with some 6/9's copper in cotton that is at least 10 years old and shows absolutely no signs of corrosion...it is as shiny as any brand new copper I have ever used. The cables sound outstanding and, so good in fact, one audio manufacturer replaced his $3K reference cables with a set and we have spoken about supplying some of his clients.
For added protection, the cables I make do use a spaced away (outside of the dielectric zone) layer of teflon tape as a moisture barrier, as well as adhesive lined heatshrink at the connectors.
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