AudioQuest Digital Coax Diamond

The Digital Coax Diamond is a digital coaxial cable from AudioQuest, designed to connect a source device, such as a player or transport, to a digital-to-analogue converter (DAC) or any other equipment fitted with a coaxial S/PDIF input.

Its design aims to minimise distortion across a wide bandwidth, an important consideration for the transmission of a digital audio stream. Unlike file transfer or HD video, where speed is measured in data throughput, the notion of speed for this cable concerns the preservation of the timing relationships within the digital stream. These timing relationships determine the faithful reconstruction of the analogue waveform at the DAC's output: jitter, meaning a temporal alteration of the signal, can result in sound perceived as flat and lacking depth rather than spacious, or as harsh and hazy rather than smooth and clear.

This cable is intended for users wishing to cleanly connect a digital source to an external DAC, within a system where the quality of the digital link contributes to the final sound reproduction.