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Chord Company Major new ARAY technology heralds the launch of the GroundARAY
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Four years in development, Chord Co.’s proprietary ARAY noise-reduction tech is now available for all

Chord Company has announced a major new development of its proprietary ARAY noise-reduction technology with the introduction of its GroundARAY family of grounding devices. The GroundARAY is a next-generation high-frequency-noise-reduction device that connects to unused sockets on A/V equipment providing a low-impedance route for HF noise to pass through, directly improving the noise floor of the ‘host’ product.

The GroundARAY is a cylindrical design made from precision CNC-machined thick-walled aluminium; the thick walls themselves stop the device from contributing HF noise. Available in six termination options, including USB A, RCA and XLR, for a wide range of digital and analogue A/V devices, the GroundARAY benefits from five separate noise-reduction systems, all working across different HF noise ranges and operating in parallel to convert undesirable HF electrical noise into heat.

The advanced technologies provide a very low-impedance, high-bandwidth route for HF noise to pass into, effectively ‘pulling’ noise from the signal ground of the host equipment.

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GroundARAY: built from the ground up

Each GroundARAY is painstakingly built by hand at Chord Company’s Wiltshire factory, including the system components themselves. The GroundARAY comprises a number of absorption devices, attached with a highly advanced double ultra-high-bandwidth connector system. The connectors are made to a very high standard, demanding time-consuming hand-assembly by factory technicians.

Each GroundARAY cylinder is filled with a carefully chosen material to deaden noise. The final assembly is then locked into place to reduce any effects from acoustic vibration.

GroundARAYs are most effective when used across several devices in an A/V system. The devices simply plug into existing empty sockets and can be used individually, or in multiples, such as across left and right outputs etc. With DACs and streamers, GroundARAYs can be used with unused digital inputs; projectors and screens can also benefit from the noise-reduction effects, too.

Commenting on the new GroundARAY’s, Doug Maxwell, Chord Company’s Sales Director said, “After four years of research and development, I’m thrilled to see our latest generation of ARAY noise-reduction technology in production. The GroundARAY project has been fascinating for us as a company and gives us the ability to further reduce noise in our customers’ systems as the technology complements our TunedARAY and SuperARAY cable technologies. Best of all, GroundARAY improves the equipment we already own and brings noticeable improvements across all manner of A/V devices; everything can benefit.”

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GroundARAY development background

For years, Chord Company has been developing proprietary technologies to reduce both low- and especially high-frequency noise, many of which, such as shielding, can be found in its cable ranges today. In 2012, Chord Company introduced a solution to reduce damaging HF noise present in the equipment itself: the company’s proprietary TunedARAY mechanical tuning system. Successive and more advanced variations, such as SuperARAY followed, but the ARAY designs were always specific to the cable they were working with, limiting the technology due to space and other design factors.

In 2017, Chord Company started to prototype a next-generation ARAY system, one that would work over the widest range of high frequencies possible, with very high efficiency. This ARAY was designed from the ground up, without any of the limitations imposed with cable design.

The next-generation ARAY system was designed to operate independently from cables, but work with them in helping to reduce HF noise on the signal ground. This new group of devices became known as GroundARAYs and in order to work with different types of A/V equipment, needed to have a selection of different plug adaptors: RCA; DIN; BNC; RJ45; USB Type-A and XLR male and female.

Price and availability

GroundARAYs are available now priced at £550

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