Replacement Cable For AKG K141 K171 K181 Q701 K702 K271S K271 MKII K271 MKII K240S K240 MK2 Pioneer HDJ-2000 HeadphonesThe 7N OCC single crystal copper sound is neutral and less sound-stained. The musical instrument features clear images, and the human voice is fine and rich. The sound field is deep and wide. Monocrystalline copper (OCC) is used for the production of audio cables. It is a major breakthrough in the audio wire manufacturing industry in recent years. Scientific experiments show that single crystal copper is a high-purity copper with a purity as high as 6N or more. The N mark represents purity. For example, 4N OFC is 99.99% oxygen-free copper, and 7N OCC is 99.99998% single crystal copper. The UP before UPOCC is an abbreviation of Ultra Pure. OCC is a proper noun and stands for Ohno Continue Casting. This is a technology invented by Atsumi Ohno of the Chiba Institute of Technology in Japan. With a specially designed metallurgical heat mold, continuous casting at ultra-high temperatures can significantly lengthen the metal crystals and reduce the size of the metal. The gap between metal crystals [(the entire copper rod consists of only one or a few crystal grains, there is no “grain boundary” or few “grain boundary” between grain and grain (the “grain boundary” will The signal is reflected and refracted, resulting in signal attenuation), and thus has a very high signal transmission performance.
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