Shunyata Research Sigma NR V.2 Power Cable 1.75m

Sunny Components Inc,
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Shunyata Research’s new Reference NR Line power cords were developed using the same materials science and technologies that make the Omega QR the market’s ultimate cost-no-object power cord.  The Reference Line power cables are designed to be used with the worlds finest audio components.

There are three levels of performance in the Reference Line starting with the Delta v2 NR and Delta v2 XC models.  The Alpha v2 is a level up from the Delta v2 and represents the best price-to-performance in the lineup.  The Sigma v2 takes top honors in the line for those that must have the best. All three Reference models feature Shunyata Research’s exclusive VTX-Ag conductors that combine an ultra pure silver with a concentrically wound layer of OFE copper.  This provides the speed and transparency of silver with the richness, tonal color and power of pure copper.

Using proprietary conductors and parts developed for the Omega QR, the Reference NR Series delivers pace-setting performance in each product category. Noise reduction technology and Shunyata Research’s own CopperCONN™ connectors propel the Sigma v2 NR cable to previously unattainable levels of performance.

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AWARDS & REVIEWS

The Absolute Sound 2023 High-End Audio Buyer’s Guide

“Shunyata continues to push forward the state of the art in AC power for audio, with the Sigma NR V2 being a prime example. These AC cords incorporate noise filters right inside the connectors, acting as miniature power conditioners to isolate components from noise. The build-quality is outstanding, with all custom parts including the carbon-fiber housing. The Sigma NR bests Shunyata’s previous models by deepening the background, increasing resolution at the lowest levels, rendering textures more realistically, and allowing the rest of your components to sound their best.”

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APPLICATIONS

The Sigma v2 NR is an ideal power cable for source equipment like CD players, DACs, tuners, preamplifiers and it makes an excellent amplifier cable with its high-current conductors and exclusive noise reduction capabilities. The Sigma v2 XC is the ideal mate to the Sigma v2 NR to power your Shunyata Research power conditioner.

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TECHNOLOGY

NR NOISE REDUCTION

Shunyata Research’s exclusive NR (Noise Reduction) technology is a multi-stage filter network that measurably reduces power-line and component-generated noise, producing better purity of tone and clarity. It delivers a stunning background of silence to recordings, allowing the listener to hear into recordings as never before.  Every nuance of meaningful content is revealed, bringing to life music’s most consequential moments as if the performers are in the room with the listener.

DYNAMIC TRANSIENT CURRENT DELIVERY

DTCD™ Analysis is a technique that measures instantaneous current through low impedance electrical conductors and contacts.  Shunyata Research uses it to optimize the design, specification and construction of parts and materials to ensure maximum current delivery performance.  Each part, conductor, noise circuit and material allows for maximum throughput of instantaneous current.

Listeners will experience earth-shaking low-frequency performance from even the highest-current amplifiers as well as dynamic contrasts unheard of outside of a live event.  More than any other design parameter, Shunyata Research’s skill in eliminating resistance and maximizing peak-current delivery is unmatched.

CopperCONN™ CONNECTORS

CopperCONN’s™ internal metals are culled from solid copper and use a high-tension spring-loaded contacts for vice-like grip.  This contributes to a measurable improvement in DTCD™ performance and a correspondingly obvious difference in audible performance.

CopperCONN™ connectors deliver measurably lower-resistance connections that will unlock the performance of any component and system.

ArNi® Conductors

Shunyata Research’s  ArNi^® conductors are designed to be the finest quality wire available for power and audio purposes. They start life using the highest purity copper available – OFE C10100 (or Ohno single crystal). Then they are formed into “virtual hollow tubes” that we call VTX™.  The core of the conductor is completely hollow forcing the current to only travel through the periphery of the conductor, therby eliminating skin effects and random eddy currents.

And finally, every ArNi^® wire undergoes our proprietary KPIP™ process.

VTX-Ag CONDUCTORS

Shunyata's VTX-Ag conductors are the product of a 25-year design progression steeped in credible science and definitive measurement.

VTX-Ag conductors use an outer tube geometry of the purest form of copper, intended to bring out the purest tone and timbres of recorded instruments and voice.  This VTX outer core of pure copper surrounds an inner core of the purest form of silver.  This inner Ag core demonstrably improves macro-dynamics and creates an incredible three dimensional weight and timing in the lower octaves.

OFE Alloy 101

Shunyata Research uses only the highest purity of copper available for the production of its wire products.  OFE Alloy 101 or C10100 is the highest grade of copper with a minimum 99.99% purity and a conductivity rating of 101% IACS. OFE stands for oxygen-free electrolytic and supersedes the term OFHC (oxygen-free high conductivity).  C10100 is the only grade of copper that comes with a written certification of purity.

Certified by ASTM F68 C10100

Fluorocarbon dielectrics are usually only found in wire used in the aerospace industry, satellites and only the most expensive audiophile cabling. It has special electrical characteristics; very low dielectric absorption, high dielectric strength and exceptional heat resistance.  When used in audio and power cables is reduces the perception of dynamic compression and it improves sonic low-level resolution and clarity.

Crystal clear transient detail.

KPIP™ PROCESSING

Shunyata Research’s proprietary Kinetic Phase Inversion Process includes four days of continuous KPIP™ processing to dramatically reduce burn-in time and significantly improve sonic performance, delivering a relaxed and life-like presentation.

 

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SPECIFICATIONS

 

Cable Type: VTX-Ag 06 Conductors: ArNi® / OFE  Dielectric: fluorocarbon Connectors: CopperCONN™ Carbon-Fiber Noise Reduction: > 12 dB @ 1 MHz

HARP Module: NA KPIP Processing: 4-days Standard Length: 1.75 meters Safety Assurance: Continuity and polarity tests – by two technicians HiPOT tests insulation breakdown @ 4,500 VAC

 

OUR ASSURANCES

RELIABILITY

Over more than 2 decades, the reliability and durability of Shunyata Research products has become a legendary attribute of the brand.  Shunyata products are completely non-reactive and run cool to the touch.  They do not hum, vibrate, buzz, or generate heat and do not require any ventilation. Despite heavy-use applications in studios, medical labs, and home environments, Shunyata Research products maintain an almost zero failure rate.

QUALITY

In an era of products that are mass-produced, Shunyata Research invests in training career craftsman who build our products by hand at our factory in Poulsbo, Washington. The exceptional fit, finish, and attention to detail has become a hallmark trait of Shunyata Research products going back to its inception in 1998. Shunyata Research has been building some of the finest power and cable products in the industry for more than twenty years. The commitment to building durable products that are designed to last a lifetime elevates our products to the top of their class.

SAFETY

Safety and quality control is job one at Shunyata Research. Before anything leaves the factory, we test each and every product thoroughly and carefully for safety and quality. This explains the long-term success of Shunyata Research products in the professional recording, medical, scientific, and consumer industries. Shunyata Research’s impeccable product safety and reliability track record for the past 23 years speaks for itself.