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AudioQuest's Diamond is the top of its coaxial digital range. Its conductor is solid Perfect-Surface Silver, AudioQuest's highest-quality metal, with no copper beneath. A Carbon-Based 6-Layer shield wraps it, and a 72-volt Dielectric-Bias System with an RF Trap sits on the cable.
AudioQuest says solid conductors prevent electrical and magnetic strand interaction. Perfect-Surface Silver, in its words, minimizes distortion caused by grain boundaries and maximizes linear dissipation of radio-frequency noise. Where the rest of the range plates copper with silver, Diamond is silver all the way through.
Hard-Cell Foam insulates the conductor. AudioQuest injects it with nitrogen to form air pockets, and says nitrogen neither absorbs nor releases signal energy. Its stiffness holds the conductor at a fixed spacing, which AudioQuest says produces a stable impedance character along the full length.
Around the conductor sits Carbon-Based 6-Layer Noise-Dissipation, one layer more than Carbon and Coffee. AudioQuest says the alternating metal and carbon-loaded layers shield the shield, absorbing and reflecting most radio noise before it reaches the layer attached to ground.
The 72-volt Dielectric-Bias System adds an RF Trap on Diamond. The pack puts a steady charge on the insulation, which AudioQuest says improves wide-bandwidth dissipation of induced radio noise. The battery carries no load, so it lasts for years, and a button and light let you test it.
Diamond ends in a cold-welded RCA plug at each end, plated with Hanging-Silver directly over pure Red Copper. RCA is the single-pin plug on the coaxial digital output of most CD players, streamers and DACs. AudioQuest joins plug to wire under high pressure with no solder, which it calls a common source of distortion.
Plug one end into the coaxial digital output of your CD player, transport or streamer and the other into the coaxial digital input of your DAC or receiver. Then choose that input on the DAC and let it lock to the signal.
Then listen. Other and longer lengths available. Call for prices.
A digital cable is one link in a digital chain. It usually joins these categories.
AudioQuest's highest-quality metal. It says the extreme-purity solid silver minimizes distortion caused by grain boundaries within the conductor and maximizes linear dissipation of radio-frequency noise.
A battery pack that holds 72 volts on the insulation. AudioQuest says insulation acts like a shunt filter, and biasing it minimizes dielectric noise and linearizes that filter. The batteries carry no load and last for years.
AudioQuest's heavier shield. Layers of metal and carbon-loaded synthetics alternate six deep and, in AudioQuest's words, shield the shield, catching most radio noise before it reaches the layer tied to ground.
AudioQuest's name for the plating on this plug. Silver is deposited directly over a pure copper base without the usual nickel layer beneath, so the contact carries the signal through better metal.
A limited lifetime warranty to the original owner, for cables bought from an authorized US dealer. AudioQuest will repair or replace a defective cable that has not been abused. Keep your proof of purchase.
Not in the AudioQuest coaxial digital range we carry. Diamond is the top of that ladder. If you want to go further, call us and we will talk through the whole chain.
Want to learn more about digital audio, DACs, or streaming? Visit our Learning Center for guides, tips, and expert advice.
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