Description
AudioQuest Diamond Coax
Digital Audio Cable. Diamond Coax represents AudioQuest’s reference-level coaxial digital cable, featuring extreme-purity Perfect-Surface Silver (PSS) conductors and an advanced Carbon-Based 6-Layer Noise-Dissipation System. Designed to minimise jitter, reduce radio-frequency interference, and preserve precise digital timing, Diamond Coax delivers uncompromising clarity and signal integrity.
This product is made to order at AudioQuest headquarters in Irvine, CA. Expect moderately delayed fulfilment times. Custom lengths and terminations are available through authorised AudioQuest dealers.
Solid Perfect-Surface Silver (PSS) Conductors
Diamond Coax uses Solid Perfect-Surface Silver conductors, AudioQuest’s highest-quality metal. Solid conductors eliminate strand interaction, a major source of dynamic distortion in cables. PSS minimises distortion caused by grain boundaries while maximising linear RF Noise-Dissipation, preserving timing accuracy and digital precision.
Carbon-Based 6-Layer Noise-Dissipation
The advanced 6-Layer Noise-Dissipation System (NDS) uses alternating layers of metal and carbon-loaded synthetics to “shield the shield.” Instead of draining captured radio-frequency interference directly to component ground—where it can distort the system’s reference plane—this design absorbs and reflects RF energy before it reaches the ground-connected layer, maintaining signal purity and reducing distortion.
72V Dielectric-Bias System (DBS) with RF Trap
The integrated 72V Dielectric-Bias System reduces dielectric noise by maintaining a constant electrical bias across the insulation. This linearises dielectric behaviour and significantly improves wide-bandwidth dissipation of induced RF noise. The included RF Trap prevents radio-frequency noise from being induced into the signal conductors from the DBS field elements.
Hard-Cell Foam Insulation
Hard-Cell Foam (HCF) insulation preserves critical signal geometry while minimising energy absorption. Nitrogen-injected air pockets reduce stored and released energy that can introduce distortion. The material’s rigidity ensures consistent impedance across the entire cable length.
Cold-Welded, Hanging-Silver Terminations
Diamond Coax features cold-welded terminations with hanging-silver directly over pure red copper. This solder-free, high-pressure connection method eliminates solder as a potential source of distortion and enhances long-term reliability and conductivity.
Materials & Construction
- Conductors: Solid Perfect-Surface Silver (100% Silver)
- Insulation: Hard-Cell Foam
- Shield: Silver-Plated Braid
- Jacket: Silver on Black Nylon Braid
- Terminations: Cold-Welded, Hanging-Silver Directly Over Pure Red Copper
Manufacturing Details
- Country of Origin: China
- Sold As: Each
KEY FEATURES:
- Solid Perfect-Surface Silver (PSS) conductors
- Carbon-Based 6-Layer Noise-Dissipation System
- 72V Dielectric-Bias System with RF Trap
- Reduced strand-interaction distortion and jitter
- Directional RF noise draining
- Hard-Cell Foam insulation for stable impedance
- Cold-welded hanging-silver terminations
- Made to order with custom options available
