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  1. #136
    parasite's Avatar
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    Re: Wire Comparison

    Quote Originally Posted by Bassballer150 View Post
    on the rf wire it has pc or pure crystal ofc what does that actually mean?
    i found this explanation:
    PC-OFC (Pure Crystal Oxygen-Free Copper) Conductors:
    Just as any other raw material found in the Earth there are many grades of copper. PC-OFC is the
    highest grade (lowest impurity) of copper without undergoing an extremely costly impurity removing
    process. PC-OFC has the longest crystals of copper with the least amount of breaks due to fewer
    impurities, resulting in a smooth channel for the electrons to flow through the conductor.

    but i also found this;
    C10100 - also known as Oxygen-Free Electronic (OFE). This is a 99.99%pure copper with 0.0005% oxygen content. It achieves a minimum 101% IACS conductivity rating. This copper is finished to a final form in a carefully regulated, oxygen-free environment. Silver (Ag) is considered an impurity in the OFE chemical specification. This is also the most expensive of the three grades listed here.
    C10200 - also known as Oxygen-Free (OF). While OF is considered oxygen-free, its conductivity rating is no better than the more common ETP grade below. It has a 0.001% oxygen content, 99.95% purity and minimum 100% IACS conductivity. For the purposes of purity percentage, silver (Ag) content is counted as copper (Cu).
    C11000 - also known as Electrolytic-Tough-Pitch (ETP). This is the most common copper. It is universal for electrical applications. ETP has a minimum conductivity rating of 100% IACS and is required to be 99.9% pure. It has 0.02% to 0.04% oxygen content (typical). Most ETP sold today will meet or exceed the 101% IACS specification. As with OF copper, silver (Ag) content is counted as copper (Cu) for purity purposes

    The high-end speaker wire industry markets oxygen-free copper as having enhanced conductivity or other electrical properties that are significantly advantageous to audio signal transmission. However, conductivity specifications for common C11000 Electrolytic-Tough-Pitch (ETP) and higher-cost C10200 Oxygen-Free (OF) coppers are identical.[8] Much more expensive C10100, a highly refined copper with silver impurities removed and oxygen reduced to 0.0005%, has only a one percent increase in conductivity rating, insignificant in audio applications.[8] OFC is nevertheless valued by some for both audio and video signals in audio playback systems







  2. #137
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    Re: Wire Comparison

    shok comp is around 280 shippedf for a 50ft spool




  3. #138
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    Re: Wire Comparison

    Thanks for the write up ... great info!




  4. #139
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    Re: Wire Comparison

    great info thanks for the post.




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