I've tried the speaker cable and it very good but very stiff. My only objection was the lowest of low notes were very muddy. The mids and the highs were very uncolored otherwise.
I just replaced all my Cardas Golden Reference with SC3. I found them more extended top and bottom. I don't found lower notes muddy but bass runs deeper and not as dynamic as the CR. For you, It might be room reaction as there is more bass extension. The CR have tube like mids and more punch in mid-bass. System depended as to which is better.
I previously owned the Cardas Golden Reference interconnect and speaker cable and still own the JPS Superconductor 3 speaker cable. I agree with Luna's impressions of both on every point. I feel the Superconductor 3 is an excellent sounding cable top to bottom. See if you can audition it in your home system.
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