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Ansuz Acoustics Ansuz Sortz

Ansuz has added to its collection of noise reduction and resonance control devices by introducing the new Ansuz Acoustics Ansuz Sortz termination plugs.

As a termination plug for open input and output sockets, the Ansuz Acoustics Ansuz Sortz has been designed to “audibly reduce disturbing noise that infiltrates any audio component through the open input/output sockets or through the ground connection”.

Ansuz Acoustics Ansuz Sortz termination plugs, this is the flagship Sortz Signature in a BNC connection.


Ansuz Sortz has integrated two technologies, the Tesla Coil technology which reduces the ability of any audio component to pick up disturbing noise, and the Anti Aerial resonance coil technology which reduces the actual noise level. The brand explained how these work:

“Ansuz Anti Aerial Resonance Coil technology (AARC). The principle of this technology is to ensure that the signal path has no final length so that it can no longer act as an antenna. This prevents airborne RF/EMI (radio frequency radiation /electromagnetic interference) noise from being absorbed in the circuitry and then bleeding into the audio system as annoying ‘white noise‘”.

“Ansuz Tesla Coil technology (TC). Ansuz Tesla coils are constructed as double inverted coils. So, when these dual coils encounter a voltage spike, a counter-spike is developed in the counter-wound section of these coils to eliminate the disturbing voltage spike”.

Ansuz Acoustics Ansuz Sortz Supreme 


The Ansuz Sortz are made with a zirconium bar and come with housings in three finishes. The Ansuz Sortz Signature model is the premium quality version. Its housing features an acoustically optimized supreme coating and has an additional layer of zirconium as a top coating. The coatings are applied to the housings in a particle accelerator to create the finest and most uniform layer and consists of zirconium and tungsten, followed by a layer of aluminium titanium nitride. Finally, the discs are applied with a layer of Zirconium.


All three versions of Ansuz Sortz undergo a Cryogenic treatment which is claimed to increase their conductivity. Ansuz says that: “When metal components undergo cryogenic processing, they are subjected to extreme cooling temperatures of about -321°F (-196° C ). In the course of this process, the crystal structure of the metal contracts more and more. Alloying elements are displaced from the grain structure of the metal, which now becomes very similar to a monocrystal. These structural changes in the metal have profound effects on its audio properties, resulting in a 6-8% increase in conductivity”.

Ansuz Acoustics Ansuz Sortz XLR Female version

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