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About this product:AudioQuest NRG FireBird Power Cable (20Amp) Lets Music Soar to Great Heights, Ideal for Amps and Powered Speakers: Reference Design Also Functions as a Noise-Dissipation SystemAlternating Current (AC), is a far-from-perfect power source. AC power technology is well over a century old and was never designed to meet the exacting standards of todays high resolution audio-video components. AC noise is present at the utility source, and is then exacerbated by radio frequency noise that is induced (picked up by the AC power cord) and coupled to the component power supplies and to circuit ground. This creates distortion and low-level signal losses via the masking effect. Further, power amplifiers can require immense reserves of transient current for their power supplies to react to and then stabilize during dynamic audio passages. Most AC power cords and power conditioner-regenerators, though helpful to a point, are simply not up to the task.Power amplifiers present a real challenge for any AC power source, as the transient current requirements (though short in duration) can be many times that of the average (RMS) current consumption. Power amplifiers are also unique from all other components in that the current draw is dynamic, not constant, and it changes with volume and audio signal content. Though many AC power cords may feature low DC resistance to allow for some of this requirement, the characteristic impedance of the AC cable is equally responsible for assuring uncompromised performance. Many premium AC cords constrict or compress the audio transient as their characteristic impedance restricts the transient current.Quiet Backgrounds and Minimal Electronics MisbehaviorDue to a more sophisticated Noise-Dissipation System (US Patent # 8,988,168), Storm Series AC cables accomplish what AudioQuest engineer Garth Powell’s magnifi cent Niagara power products do: lower the noise that both smothers fine detail and ambience, as well as noise that causes active circuits to su ffer transient-intermodulation distortion (TIM) and otherwise misbehave, causing a flat, forced-through-a-screen-door e ffect.Optimal Insulation Electrical CharacteristicsThe effectiveness of AudioQuest’s Dielectric-Bias System (US Patent #7,126,055) (DBS) at reducing non-linear distortions caused by temporary energy storage in a cable’s insulation is evident across all types of AudioQuest cables. In Storm Series, DBS is applied more strategically than ever. Reducing dielectric-noise takes a back seat to DBS extending the bandwidth and e fficiency of all-important RF noise-dissipation.No Strand Interaction, Minimal Grain Junction DisruptionDue to the sue of solid conductors, there is no contact between strands and thus, none of the distortion such architecture entails. Due to superior metals, less grain junctions within the conductors minimize distortion, aUncompressed High-Current TransferWith current capacity of 15 amps RMS @ 125VAC 50/60Hz (16 amps RMS @ 220-240VA 50/60Hz), FireBird can withstand current transient peaks many times its continuous (average) RMS rating. This makes Firebird/High-Current ideally suited for a wide assortment of AC power conditioners, power regenerators, AC isolation transformers, and AC battery back-up devices, as well as any power amplifier, powered subwoofer, powered loudspeaker, powered receiver, or integrated amplifier.Ground Noise-Dissipation TechnologyAC Ground wires provide protection from current-wiring faults, but they also act as antennas. Thus, they are subject to induced radio frequency (RF) noise. This RF noise bypasses component power supplies and is typically coupled directly into a systems most sensitive audio-video circuits. AudioQuests patented Ground-Noise Dissipation greatly reduces this distortion, yielding unprecedented levels of noise dissipation across the widest bandwidth (range) of radio frequencies possible. The unique circuit-topology utilizes a common-mode phase-cancelling array, in concert with proprietary dielectric materials which provide additional differential linear filtering.Dielectric-Bias System (DBS; US Pat #7,126,055)By creating a constant dielectric field for the cables primary capacitance field or dielectric, DBS assures extended bandwidth and more evenly filtered noise dissipation, eliminating the distortions and ringing that plague other cables even after years of use and so called run-in time. In addition, DBS assures that the RF Noise-Dissipation System works as linearly as possible.Controlled for Correct DirectionalityAll drawn metal strands or conductors have a non-symmetrical, and therefore directional, grain structure. AudioQuest controls the resulting RF impedance variation so that noise is drained away from where it will cause distortion. Warranty: None, final sale. Whats Included:The cable and original packing Notes: 9/10 Condition with no signs of damage or abuse. All functions tested successfully. Specifications:Solid Perfect-Surface Silver (PSS)/Perfect-Surface Copper+ (PSC+) ConductorsOptimized For Source ComponentsGround Noise-Dissipation Technology (US Patent # 9,373,439)ZERO: No Characteristic ImpedanceDielectric-Bias System with Radio Frequency Noise TrapDirectionally Controlled Conductors Shipping Policy: If you require shipping to Alaska, Hawaii, or Puerto Rico, please contact us first before making an offer.
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