Many of the Belden cables featured in this line are made with high-conductivity copper conductors. They are ETP cables, created with the Electrolytic Tough Pitch process which creates a 99.95% pure copper conductor. Because the level of copper is so high, its conductivity increases enough to make it “high-conductivity” per ASTM B115. The high-conductivity copper audio cables perform similarly to oxygen-free copper cables.
Allied's selection of Belden Speaker Wire also includes Low-Cap Oxygen-Free High-Conductivity (OFHC) Speaker Cables. They have a twisted, jacketed construction and are approved for direct burial. White and black jacketed parts are sunlight resistant. With the exception of some 16 AWG cables, these speaker wires are for audio use only. 10, 12, 14, 16
High Flex Bi-Amp and Tri-Amp Speaker Connections are also available from Allied. They are available in 10 and 14 AWG versions and in plenum and non-plenum rated constructions. These cables are used in more advanced speaker wiring to boost the sound quality of the speaker system.
Be sure to choose speaker wire gauge sizes carefully. You must account for the resistance between low impedance speakers and amplifiers because more resistance means less power reaching the speaker. This ultimately leads to poorer sound quality. Larger cables are recommended as a means of balancing performance with cable cost before attempting to minimize power loss by other means.
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