AudioQuest Diamond USB-A to USB-B High-Definition Audio Cable
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Product Overview & Specifications
The AudioQuest Diamond USB-A to USB-B is a flagship digital audio interconnect designed for reference-grade computer audio setups, high-resolution music servers, and standalone digital-to-analog converters (DACs). By eliminating timing jitter, phase delays, and strand-interaction distortion, the Diamond USB delivers uncompromised dynamic range, precise soundstage imaging, and ultimate digital signal purity.
Constructed with 100% Solid Perfect-Surface Silver (PSS) conductors, the cable provides an ultra-smooth metal surface to maximize high-frequency transmission efficiency and eliminate grain-boundary distortion. Signal integrity is maintained via AudioQuest's patented 72V Dielectric-Bias System (DBS) featuring an integrated RF Trap to polarize insulation molecules and eliminate non-linear phase shifts. Supported by nitrogen-injected Hard-Cell Foam (HCF) insulation and a Carbon-Based 3-Layer Noise-Dissipation System (NDS), the cable prevents radio-frequency interference (RFI) from compromising the receiving component's reference ground plane.
KEY FEATURES & PROPRIETARY TECHNOLOGIES
- Solid Perfect-Surface Silver (PSS) Conductors: Pure 100% solid-silver conductors completely eliminate electrical and magnetic strand-interaction distortion while maximizing linear RF noise dissipation.
- 72V Dielectric-Bias System (DBS) with RF Trap: Creates a continuous electrostatic field across the insulation to polarize dielectric molecules, eliminating timing errors, phase delays, and soundstage smearing.
- Carbon-Based 3-Layer Noise-Dissipation System (NDS): Alternating layers of metal and carbon-loaded synthetics "shield the shield," absorbing and reflecting RFI before it can modulate the component ground reference.
- Hard-Cell Foam (HCF) Insulation: Nitrogen-injected rigid foam dielectric creates inert air pockets to maintain strict signal-pair geometry and stable characteristic impedance.
- Direction-Controlled Conductors: Grain-oriented conductors are listening-tested to ensure induced RF noise is systematically drained away from sensitive receiving audio circuitry.
SPECIFICATIONS
| Product Line | AudioQuest Diamond Series Digital Interconnect |
| Connector Termination | USB Type-A to USB Type-B (USB-A > B) |
| Conductor Metallurgy | Solid Perfect-Surface Silver (PSS) (100% High-Purity Silver) |
| Dielectric-Bias System | 72V DBS Battery Pack with Integrated Niagara Series RF Trap |
| Dielectric / Insulation | Nitrogen-Injected Hard-Cell Foam (HCF) Insulation |
| Noise Dissipation System | Carbon-Based 3-Layer Noise-Dissipation System (NDS) |
| Directionality Control | Direction-Controlled Signal Conductors |
| Primary Application | Reference Music Server / PC / Streamer to High-End DAC Connection |
| Manufacturer | AudioQuest (USA) |
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AudioQuest Diamond USB-A to USB-B High-Definition Audio Cable
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