Atlas Ascent S/PDIF Ultra Interconnects

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Ascent Ultra S/PDIF by Atlas Cables is a superb true 75-Ohm digital interconnect cable is a superb cable designed to be technically and sonically superior to competing digital cables currently available at similar prices.

Designed to maintain a true 75 Ohm impedance, the central conductor is made from OCC copper, with insulation via an extremely low-loss PEF (Foamed Polyethylene) dielectric. The tightly woven wire mesh together with an aluminium outer foil provides 100% rejection of RFI (Radio Frequency Interference) ensuring the music signal is free from any external noise. The cable is covered by a soft PVC sleeve and finished in a grey woven fabric.

The Ascent digital cable is terminated with Atlas cold-weld connected wideband Ultra RCA plugs. The result is a smooth, uninterrupted signal path which behaves as one continuous entity, with minimal degradation of the signal compared to soldered connections. This is particularly important in a digital cable, connectors which compress the cable can actually alter the cable’s impedance, which can drop below the 75-Ohm specification by typically up to 50%, reducing accuracy of the signal transfer.

Available Lengths

Ascent Ultra S/PDIF 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!


  • Ultra RCA Connector - The Ultra is a wide-band, OCC copper, constant impedance, self-cleaning, solder-free construction RCA plug.
  • OCC Conductor - Ohno Continuous Casting (OCC) 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.
  • PEF (Foamed Polyethylene) Dielectric - The foaming process uses a blowing agent, of which there are two types. Atlas use the gas-foamed method which creates a more inert, consistent and higher quality product.
  • Coaxial Construction - Central conductor (signal path) surrounded by dielectric material encased within a circular conducting screen which acts as the signal return path.


  • Construction: Coaxial
  • Material: OCC
  • Dielectric: PEF (Foamed Polyethylene)
  • Screen: Braid + Al Mylar™
  • Capacitance: 59.37 pF/m
  • Inductance: 0.473 µH/m
  • Resistance: 0.7311 Ohms/m
  • VOP: 0.81
  • Outside Diameter: 8.5mm

More Information

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Cable Information

Cable Type:
  • Interconnect Cables
OCC Copper



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