Two problems with existing cable elevator systems:
Preventing vibrations from entering audio cables and disturbing the signal has become a popular tweek. Understandably, some cables are more microphonic than others, some surfaces will vibrate more than others, and some cable configurations and environments will be more prone than others. Still, all systems can benefit from CVPs.
It is difficult to quantify how perceptual this is, and every situation will vary, but we do know that neither is not good for the integrity of the signal.
CVPs can be applied to and benefit all cables, including AC cables. The CVP recommended hierarchy is; interconnects, speaker cables, AC.
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