Atlas Mavros Grun Ultra interconnect cable

RCA interconnect cable

99.9999% pure OCC conductors

Grun system

Made in Scotland

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Manufacturer : ATLAS CABLE

2 290,00 €

Shipped within 3 to 5 working days Available within 1 or 2 weeks

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The Atlas Mavros Grun Ultra is a more affordable version of the Atlas Asimi. The conception is almost identical, except for conductors which are made of pure copper and not silver.


The Mavros Grun Ultra is equipped with copper ULTRA RCA plugs with a silver plating on contact areas. These low-mass wide bandwidth connectors are seamless.

The conductors are crimped on the plug. This results in less discontinuity in the signal path and therefore less signal degradation as well as increased neutrality. They use PTFE (Teflon) sleeves having similar characteristics to the dielectric used on the conductors themselves. They are self-cleaning as well.

The very high-quality balanced conductors used on the Atlas Mavros Grun Ultra are manufactured with a solid core OCC (Ohno Continuous Casting) copper core surrounded by 12 high-purity OCC copper multi-strand “satellite” conductors. The “speed” characteristic of analogue cables is primarily determined by the insulator’s dielectric performance. 

Around conductors, Atlas has applied microporous PTFE dielectric covered by extruded polyethylene foam.

Two balanced drain wires (each attached to 180° segments of the plug) are inserted between a 100% OFC copper/Mylar foil and a shield.

The outer sheath is made of PVC and is in turn covered by a black cotton braided sleeving.


The Atlas Mavros Grun Ultra is equipped with the “Grun” system. This process connects to the screen a cable which is itself connected to the ground via an optional cable, the Grun 1:2 Adapters. This cable helps make the protective screen even more immune to noise and pollution caused by RFI (Radio Frequency Interference).

The effect is more or less effective and audible depending on your environment and system quality.


The Atlas Mavros Grun Ultra is part of the interconnect cables which have an immediate effect on reproduction quality when connected to a source or between a preamplifier and an amplifier.

Playback becomes instantly softer and more pleasant. Any aggressiveness and unpleasant sibilants seem to have disappeared. We are immersed in a highly analogue world!

This cable may reconcile many with digital sources. It works wonders on a CD player or a converter (DAC).

This Atlas cable favours sumptuous timbres with a splendid soundstage. That doesn’t mean it adds colours. Substance and instrument sections are clearly audible, but the cable doesn’t “block” reproduction! On the contrary, the level of transparency is excellent and, above all, perfectly spread across the entire spectrum. It’s surprising to have this amount of details without the need to artificially increase mid-range and treble like many of their competitors do.

These Atlas Mavros Grun Ultra interconnect cables have the surprising ability to offer fast and held transients at the same time, while focusing on fluidity and nuance. As you probably guessed, these cables impressed us a lot…

Would recommend +++


Hi-Fi News - Editor’s Choice

Hi-Fi World - Outstanding


Principle: unbalanced coaxial

Connectors: Full Ultra RCA plugs

Assembly: seamless, assembled by crimping

Conductors: OCC 6N (99.99997%) deoxygenated copper

Type: multi-strand double conductors

Sheath: FPE (Flexible Polyethylene)

Dielectric: Microporous PTFE


Capacitance: 48.92 pF/m

Inductance: 0.7256 µH/m

Resistance: 0.0181 ohm/m

VOP: 0.81

Outer diameter: 9.8mm

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Atlas Mavros Grun Ultra interconnect cable

Atlas Mavros Grun Ultra interconnect cable

RCA interconnect cable

99.9999% pure OCC conductors

Grun system

Made in Scotland

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