Atlas Equator Tonearm Achromatic RCA

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Atlas Equator Tonearm Achromatic RCA

An ideal upgrade to the ’starter‘ grade cables frequently supplied with even quite expensive tonearms, this new Atlas Equator cable is based on Atlas' consistently award-winning Equator Achromatic RCA. Sophisticated, involving sound and exceptional value for money.

Available with both 90° (‘right-angled’ cable entry) and 180° (‘straight’ cable entry) versions.

The Equator Achromatic Tonearm cable is fitted with Atlas' Achromatic non-magnetic RCA plug. The low-mass Achromatic connector features a precision calibrated cold-weld connection, creating a coherent, continuous signal path.

The signal conductor is high purity OCC (Ohno Continuous Casting) copper encased with a superbly constructed double screen to provide maximum resistance to RFI (Radio Frequency Interference), which can raise noise levels in a poorly shielded cable.

The result is a beautifully balanced interconnect which offers a large three-dimensional soundstage and fine levels of resolution without any sense of exaggerated ‘detail’ which is superficially impressive but quickly fatiguing to listen to.


Achromatic Plugs

Atlas’s expert electro-mechanical knowledge has led to the innovation of the next generation of RCA plugs. Known as the ‘Atlas Achromatic RCA plug’, Atlas has focused on improving both performance and appearance to create a higher performance starting point for their RCA cables as well as eliminating variability in performance. This has been achieved by refocusing on materials and the assembly processes.

Atlas has made 4 key changes with the Achromatic RCA plug. Firstly, the barrel of the Achromatic plug features a high stability ABS material. This is strong, stable, and of superlative surface quality. There is also an improvement to the Achromatic plug’s contact geometry, aiding the contact properties of the plug and the self-cleaning wiping action to ensure contacts are in optimal condition and to maximise signal transmission. The third change Atlas made was around the rifling of the RCA pin. This improvement self-aligns the conductors during the cold weld processing, ensuring a superior stable connection. Finally, there is a reduction in the overall mass of the RCA plug by 8% which has shown to improve signal transmission. The above changes mean a solder-free, low mass, self-cleaning, recyclable RCA plug with a non-conductive body.

OCC Copper

The Ohno continuous casting method re-heats the extrusion as the molten copper is forced out of the mould and very slowly and gradually draws the grain or crystal down the conductor length, creating a ‘single-crystal structure.’ Actually, because no copper is 100% pure, there will always be a few boundaries produced by impurities. The frequency of boundaries created are quite insignificant. A typical crystal in a copper conductor drawn to 0.3 mm diam. using the OCC process is 125.00 metres long! The benefits are obvious, with almost no crystal boundaries, the audio signal is no longer impeded down the copper wire and more information and detail is delivered faithfully to the receiving equipment.



Construction Co-ax (Double Screened)
Material OCC
Dielectric PEF (foamed PE)
Screen OFC, 95% (double OFC braid)
Capacitance 74.36 pF/m
Inductance 0.497 µH/m
Resistance 0.0776 ohms/m
Impedance 78.25 Ohms at (1MHz)
Outside Diameter 7.0mm