The AudioQuest Brave Heart Full-Range Speaker Cable delivers exceptional power, resolution, and noise control at a breakthrough value. Designed by AudioQuest, Brave Heart features solid Perfect-Surface Copper+ (PSC+) conductors with nearly one-third more copper than previous models for lower impedance, improved damping factor, and a stronger grip on bass performance—especially with low-impedance or ported speakers. ZERO-Tech eliminates characteristic impedance for unrestricted current transfer and enhanced transient response, while the 72v Dielectric-Bias System (DBS) reduces dielectric noise and linearizes RF noise dissipation. Upgraded polypropylene insulation, carbon-loaded PVC, a graphene layer, and 4% silver shield drain wires further minimize distortion and external interference. Positive and negative conductors are housed in separate round constructions for reduced interaction and improved clarity. Finished with cold-welded, gas-tight red copper spades or banana plugs, Brave Heart offers dynamic authority, expansive soundstaging, and refined detail for high-performance two-channel and home audio systems.
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DESCRIPTION
The AudioQuest Brave Heart Full-Range Speaker Cable delivers exceptional power, resolution, and noise control at a breakthrough value. Designed by AudioQuest, Brave Heart features solid Perfect-Surface Copper+ (PSC+) conductors with nearly one-third more copper than previous models for lower impedance, improved damping factor, and a stronger grip on bass performance—especially with low-impedance or ported speakers. ZERO-Tech eliminates characteristic impedance for unrestricted current transfer and enhanced transient response, while the 72v Dielectric-Bias System (DBS) reduces dielectric noise and linearizes RF noise dissipation. Upgraded polypropylene insulation, carbon-loaded PVC, a graphene layer, and 4% silver shield drain wires further minimize distortion and external interference. Positive and negative conductors are housed in separate round constructions for reduced interaction and improved clarity. Finished with cold-welded, gas-tight red copper spades or banana plugs, Brave Heart offers dynamic authority, expansive soundstaging, and refined detail for high-performance two-channel and home audio systems.
FEATURES
ZERO-Tech (No Characteristic Impedance): The only way to prevent characteristic-impedance mismatch-effects between a cable and its attached source and load circuits is for the cable not to have a characteristic-impedance. ZERO-Tech accomplishes this by eliminating any electrostatic field between the cable’s high and low signal conductors — enabling uncompressed current transfer. All-important transient current is unrestricted, and RF-Noise Dissipation is linearized (consistent octave to octave).
Solid Perfect-Surface Copper+ Conductors (PSC+): High-purity PSC+ conductors prevent strand interaction, a major source of ear-fatiguing transient intermodulation distortion. The astonishingly smooth and pure PSC+ further eliminates harshness and greatly increases clarity compared to OFHC, OCC, 8N and other premium coppers.
Level 7 Linear Noise-Dissipation: The Earth is permeated with RF-Noise from satellites, cellular, WiFi, etc. Brave Heart’s Graphene+Carbon Mesh-Network, ZERO-Tech, direction-controlled metal, 72v DBS, and silver-plated shield drains effectively minimize damaging RF-Noise.
72v Dielectric-Bias System (DBS) with RF Noise-Trap: Insulation is also a dielectric that acts like a shunt-filter. Biasing the dielectric both minimizes dielectric-noise and linearizes the filter, significantly improving wide-bandwidth dissipation of induced noise.
4% Silver Shield Drains: Significantly aid in the efficient dissipation of RF-Noise.
Cold-Welded Red-Copper Spades or Bananas: Cold-Welding avoids the introduction of heat and distortion-causing materials like solder. The bare parts are submerged (hung) in silver instead of tumbled in a lower-grade solution. Speaker breakouts and plug casings are synthetic, not metal, to avoid inducing RF Noise into the conductors.
Directionality: All 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. A fundamental aspect of AudioQuest’s multifaceted Noise-Dissipation technology, Direction-Controlled Conductors ensure induced noise is dissipated and drained properly.
