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Shunyata Research Sigma Phono Cable

Exclusive to the Sigma line is another Gabriel micro-distortion squashing invention he calls TAP. TAP stands for “transverse axial polarizer”, a patent-pending innovation implemented as a clear elongated glass bulb holding a series of discs, with the cable running through the middle. I’ve seen active circuitry boxes on cables, but I’d never seen anything like this. for review.


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