Atlas Ailsa OCC XLR Interconnects

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Ailsa OCC XLR by Atlas Cables features an unusually sophisticated specification for an interconnect at this price point. The result is a beautifully balanced, open, accurate, natural sound, which we think defines a new performance standard at this level. It is an ideal upgrade choice.

The Ailsa OCC XLR is a wide-bandwidth interconnect designed to maximise the performance of high-performance audio systems using the increasingly popular XLR connectors. It incorporates the precision dd (dual-drain) system.

A symmetrical interconnect featuring four central multi-core conductors of ultra-high purity OCC (Ohno Continuous Casting) copper encapsulated within a microporous PTFE dielectric. Termination is with our aluminium alloy dark Chrome XLR connectors with silver-plated OCC copper pins.

Atlas based the dual-drain configuration on techniques originally developed for the top-of-the-range Mavros and Asimi interconnects. Twin symmetrical drain wires connect the screen to the cable return/plug interface, allowing cable termination without distorting, twisting or mechanically stressing the precision-laid screen. Typically, screened cables suffer from screen distortion when prepared for production. Cutting and twisting the screening braid has a measurable impact, effectively changing the impedance and, therefore, the cable’s performance.

The benefits are maintaining a constant low impedance load to the plug and total 360-degree screening against noise and signal degradation caused by RFI (Radio Frequency Interference).

Available Lengths

Ailsa OCC XLR is available in the following lengths:

  • 0.50 metres
  • 0.75 metres
  • 1.00 metres
  • 1.50 metres
  • 2.00 metres
  • 3.00 metres
  • Custom lengths available - please call us!


  • OCC XLR Connector - Atlas XLR combines a lightweight aluminium alloy body with precision-fit OFC/OCC connectors and solder-free construction.
  • OCC Copper - OCC (Ohno Continuous Casting) process was developed by Professor Ohno, from the Chiba Institute of Technology, to manufacture a very high purity single grain copper or silver. There are only a handful of companies in the world manufacturing via this method.
  • Microporous PTFE - Microporous PTFE (Teflon) is a unique, low density dielectric material, phase stable at room temperature, which offers significant performance improvements over solid PTFE (Teflon) dielectric designs.
  • 4-Core + Screen Construction - Individually matched conductors (one pair for signal path, the other pair acts as the return conductor) enclosed within a protective woven screen. Combined with the dual-drain system which avoids distortion of the screening braid during assembly, which can change the RF impedance of the cable and adversely affect performance.


  • Construction: Coaxial
  • Material: OCC
  • Dielectric: Microporous PEF
  • Screen: Braid + Mylar 100%
  • Capacitance: 133.9 pF/m
  • Inductance: 0.332 µH/m
  • Resistance: 0.0238 Ohms/m
  • Outside Diameter: 10.0 mm

More Information

Delivery and Returns

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Please be advised that we may upgrade your delivery to a better service if we deem it appropriate to designated destinations at no additional cost. Please view our returns policy.
*Quoted delivery times are estimates and apply to normal working days for in stock items.


Try In Store:
Cable Configuration:
  • Stereo XLR

Cable Information

Cable Type:
  • Interconnect Cables
  • XLR Cables
OCC Copper


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