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Couple of weeks ago I changed my surround speakers and discovered
a discoloration in the wire inside the clear plastic coating.
Is this normal or does it alter the signal (degrade it) in any way?
Thanks
Helier
Follow Ups:
Thank you both for your replies, it seems that I'll be climbing the attic soon. Well at least it's "winter" in S.Florida so the temperature in the attic should not be more than 90 or so.
The wire in question came from Home Depot (it was labeled audio wire)
and is 12 gauge. Since it is a rather long run, do you folks have any
recomendations?
Regards
Helier
They claim their 2 Flat, 4 Flat and Flatline Gold wire's Teflon coating is impervious to the elements. That way you won't be back up there for a long time, if ever . . .
If it's long and you are running it through the attic, put a twist in the wire about every 6". The will ensure that the wire does not become an antenna.
The discoloration is due to exposure to air and oxidation taking place. Theorectically the sound is degraded by the oxidation, but if you do not detect it, don't worry. Also, considering that this is wiring for the surround speakers is another reason for you to not be too concerned.
I had some cheap copper wire that discolored very quickly (less than 2 years). Evidently the wire was cheap (not OFC) and the dielectric aided to the degeneration of the wire (clear jacket). I replaced the wire and noticed a significant difference.
...Paul
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