Shunyata Research Sigma 1.5M USB Interconnect Cable
Award-winning USB cable with Ohno copper and VTX geometry eliminates skin effects and phase noise for superior digital audio transmission clarity.
I own Bliss Hifi, a high-end audio boutique and this Shunyata Sigma USB digital interconnect is being listed as a passthrough consignment sale on behalf of one of my clients. It is in very good cosmetic condition and works flawlessly.
The item comes in its original Shunyata Research padded case with all original paperwork and packing materials.
Check my stellar feedback and buy with confidence. This item includes free insured shipping across the CONUS. As this is a passthrough sale that I am brokering on behalf of my client, I can only accept payments via PayPal F&F, Venmo Gift, or personal check.
Happy to answer any questions. Thanks for your consideration.
More on the cable:
The Shunyata Research Sigma USB cable represents a major advancement in USB audio transmission, earning The Absolute Sound’s 2019 Product of the Year award and recognition as potentially the company’s single greatest achievement. Built around Shunyata’s exclusive SR-USB-Cable architecture, it employs their highest grade ArNi wire featuring pure Ohno single-crystal copper formed in VTX virtual hollow tube geometry, effectively eliminating skin effects and eddy current distortions that compromise digital signal integrity. The cable utilizes fluorocarbon dielectrics with exceptional electrical characteristics typically found only in aerospace applications, providing extremely low dielectric absorption and superior heat resistance that significantly reduces transient energy storage and phase noise. Precision Matched Impedance (PMZ) construction ensures manufacturing tolerances for conductor surface, dielectric extrusion, and braided shield precision are maintained to minute variances through processes run at quarter speed.
Critical to the Sigma USB’s exceptional performance is its innovative TAP (Transverse Axial Polarizer) technology, which modifies the behavior of electromagnetic waves surrounding the signal cable by blocking longitudinal-oriented waves while passing transverse-oriented waves, effectively reducing sonic glare like polarized sunglasses reduce reflected light. The cable features dual CMode filters designed to improve performance by modifying electromagnetic wave behavior, while completely separate DC power wiring minimizes signal transmission interference. Massive silver-plated copper braided shields provide comprehensive protection from external RFI/EMI, and custom-engineered SR-USB connectors feature large diameter head-shells with exceptional strain-relief systems and high-conductivity gold-plated copper contacts. Each cable undergoes four days of continuous KPIP (Kinetic Phase Inversion Process) treatment and maintains a precise 90-ohm characteristic impedance throughout. Handcrafted in Shunyata’s Poulsbo facility, the Sigma USB consistently delivers significant improvements in soundstage openness, dynamic contrasts, and textural liquidity that have made it a reference standard among discerning audiophiles.
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