An OCC copper USB cable specifically developed to meet the requirements of USB as a high-end audio interface.

Our first high-end USB cable, featuring the Grun Coherent Earthing System, designed to maximize performance from file-based audio sources.

It’s become evident in recent times that noise is frequently a major issue limiting the performance of file-based replay via USB connections.

Computers are notoriously problematic in this respect, although there exists a new generation of dedicated music server designed with an emphasis on designing good sounding USB outputs by minimizing their electrical noise leakage.

This "noise" is typically not directly audible as hiss or interference — but it does have an impact on a DAC’s clock accuracy and error correction circuitry, compromising tonal accuracy and dynamic range. While it’s not easy to hear while present, it becomes easy to hear the difference when it’s removed or minimized.

It’s become evident that hardware alone can’t fully address the issue.

Our Mavros USB utilises our Grun Coherent Earthing System as an integral part of maximizing performance from USB sources, by draining this noise away to an independent ground.

The Grun connection can be made via the supplied Grun lead with optional spade tag (connect to your amplifier’s chassis or earth terminal), or for optimum performance, via a Grun mains adaptor connected to a power socket or mains block.

There are, of course, additional critical factors in designing a reference-class USB cable. Atlas set out to minimize reflective losses in high-speed USB cables by improved termination methodology, higher purity conductors (OCC copper) and improved screening.

Construction of the Mavros USB is meticulous, with particular attention paid to minimising the effect of impedance variations, dielectric losses, intra-pair skew and skin-effect issues.A combination of these elements typically adds "jitter" generally regarded as the primary ‘performance killer’ in digital audio systems.

Mavros Grun USB is available in USB type A/B and A/B micro versions.

The Mavros Grun USB features OCC (Ohno Continuous Casting) copper data and power conductors combined with low loss foamed polyethylene dielectric, innovative screening around individual conductor pairs and gold-plated contacts. The twisted conductors are identical in length with a constant distance maintained between the two.

The MAVROS GRUN USB features improved screening via an improved shielding regime. This is augmented the direct external Grun connection, which routes all interference to ground.

The skin effect (when higher frequency signals travel closer to the surface, where the effective resistance is higher) and dielectric loss are combated by the use of the high-purity OCC Copper and a new, highly stable and improved low-loss foamed polyethylene dielectric.

We control and manage the twist ratios within the cable, ensuring every individual internal conductor is a matched length.

Geometry: Multi-core

Conductor: OCC Copper data & power

Dielectric: Foamed PEF

Screen: OFC, 85%

Shielding Al Mylar™ (100%), OFC (90%) with Grun grounding connector

Outside Diameter: 3.8mm x 7.6mm

Processing & Shipping Times

Atlas is distributed in the USA and Canada by VANA Ltd. We keep a small subset of standard lengths in stock in our New York warehouse. Online orders are processed within 2 business days. Orders than can be fully or partly fulfilled from our stock will usually ship within 3 business days. You can also inquire about inventory with your local Atlas Cables dealer. 

Custom orders and lengths that are not currently in stock will be made to order in Scotland and drop-shipped to your door. These typically ship within a week and arrive to their North American destination within 2 weeks.

Note: Fulfillment times for custom may currently be longer due to the COVID pandemic. Please contact us for an estimate if your order is time-sensitive.