The WEL Signature power cable uses extremely pure PSS (Perfect-Surface Silver) solid silver conductors. All conductors are solid core to avoid strand interaction, a major source of distortion. Surface quality is critical because a conductor can be considered a rail-guide for both electrical and magnetic fields; the extraordinarily smooth and pure Perfect Surface eliminates harshness and greatly increases clarity compared to OFHC, OCC, 8N and other coppers. The extreme purity of PSS further minimizes distortion caused by grain boundaries that exist within any metal conductor.
Hard-cell foam Nitrogen-Injected Insulation is used exclusively on most of AudioQuest’s digital audio and video cables. Similar to Foamed-PE, the gas pockets are created by injecting nitrogen. The “hard” foam is used because the stiffness of the material allows the cable’s conductors to maintain a stable relationship along the full length of the cable, thus ensuring consistent impedance.
While shielding always plays an important role in the design of any cable, the shield for coaxial digital interconnects is even more significant because in addition to its protective function, it also serves as the return conductor. For this reason, AudioQuest pays particular attention to the metal quality and manufacturing techniques used for the shield, as they can affect both sound and picture.
All insulation slows down the signal on the conductor inside. When insulation is unbiased, it slows down parts of the signal differently, a big problem for very time-sensitive multi-octave audio. AudioQuest’s DBS creates a strong, stable electrostatic field which saturates and polarizes (organizes) the molecules of the insulation. This minimizes both energy storage in the insulation and the multiple nonlinear time-delays. Sound appears from a surprisingly black background with unexpected detail and dynamic contrast. The DBS battery packs will last for years. A test button and LED allow for the occasional battery check.
Eric
Great product, gorgeous sound once broken in (100 to 200 hours needed).
Too bad the Diamond range is no longer in the catalog!
Comment from 1 February 2026 — Experience from 20 January 2026
