The Optimum is the fourth of IsoTek's high-performance network cables to be upgraded to the new EVO3 (Evolution 3) version. As a consequence, we are faced with a product that incorporates substantial advances with respect to its predecessor, that is, the celebrated GII version, especially highlighting the new arrangement of the conductors, which, in combination with carefully selected materials, has allowed us to obtain a cable power supply with superlative performance. Thus, at the heart of the new Optimum we find three silver-clad OCC (“Ohno Continuous Cast”) copper conductors, which exhibit considerably higher purity levels compared to conventional high-purity copper (OFC). The benefits for audio and video applications are outstanding electrical conductivity combined with improved flexibility, fatigue and corrosion resistance. On the other hand, each of the three conductors used uses a new and innovative square configuration of 40 strands which, in turn, also have a square section. This unique design provides a larger contact surface between strands, further improving electrical conductivity. To all this we must add high quality insulation (Teflon FEP) for each conductor that provides a very low dielectric constant over a wide range of frequencies. Likewise, the three conductors are lightly twisted to maximize the rejection of electromagnetic interference (EMI) and radio frequency interference (RFI), and are then surrounded by a cotton padding that, in addition to increasing internal resistance and reducing microphony, also has superb insulating properties. The EVO3 Optimum is completed with a highly robust heat-resistant PVC outer sheath that provides it with a high degree of flexibility and great mechanical strength.
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