LessLoss DIGITAL CABLE

Introducing C-MARC™. A new generation of high performance wire and cable, well-equipped to deal with today’s over-polluted electro-magnetic environment. 

C-MARC™ is a new type of Litz wire. C-MARC’s noise reduction is based on the bucking coil method using two counter-polarized coils. Every strand's clock-wise turn aligns with a corresponding counter-clockwise turn of exactly mirrored diameter and step. The two resulting counter-polarized coils are mutually superposed. A second-scale fractal replication of the already bucking coils is then repeated. Through electrical cancellation of the induced noise, C-MARC™ provides an enormous signal-to-noise ratio in today's demanding environment. 

C-MARC™ stands for Common-mode Auto-rejecting Cable.

C-MARC™ is unlike any other hookup wire or cable currently being produced. It is based on the bucking coil method of noise reduction, used most famously in twin coil pickup designs first developed in the mid-1930's to silence hum from electric guitars. 

This type of guitar pickup was called the Humbucker because it 'bucks the hum,' i.e. noise, out of the desired guitar signal through phase cancellation of two counter-polarized inductors. When the inductors both induce a common signal, it is induced in opposite polarities by each coil. These opposite polarities then mutually cancel when the two counter-polarized noise currents are combined through simple electrical summation. Humbucking coils are also used in some microphone designs as well as in sensitive sensor technology where induced stray noise is not acceptable and the highest signal to noise ratio is desired. 

LessLoss designs a new type of wire around the Humbucking principle

C-MARC™ wire is a special type of Litz wire. It features all of the known benefits of traditional Litz wire without Litz wire's disadvantage of being formed as an elongated coil (inductor). 

Traditional Litz wire has these advantages over normal 'naked' multi-stranded wire and solid core wire: 

• Litz wire has a greater ratio of surface area to cross sectional area, resulting in less phase smearing between lower and higher frequencies.
• Litz wire creates no distortions due to so-called “strand jumping” or diode effects resulting from loosely contacting oxide layers of adjacent naked strands.
• Litz wire is more flexible, practical and safer than solid core wire of the same large cross sectional area.

C-MARC™ wire shares all of the above advantages of traditional Litz wire, and advances the art with these additional unique benefits: 

(1) Traditional Litz wire is bunched and then twisted in only one direction, leading to the formation an elongated group of uni-directional coils (inductors) of differing diameters, in structure resembling elongated overstretched springs of different sizes. 

"Type 7" Litz

Some manufacturers offer braided Litz wire. This wire also is formed from initially bunched and mutually twisted strands before braiding. This type of wire is often referred to as Type 7 Litz wire and is compressed after braiding the twisted bunches into an overall rectangular shape before tape wrapping and over-extrusion.] 

How C-MARC™ is profoundly different

In contrast, C-MARC™ wire goes down to the very fundamentals in a completely mirrored, balanced geometry. It aligns every Litz strand's clock-wise turn with a corresponding counter-clockwise turn of exactly mirrored diameter and step along the length of the wire. These two resulting spirals are mutually superposed in counter-braided fashion. Noise is thus induced in exactly opposite polarities and in exactly mirrored amplitudes, while the good signal is common to both spirals. The two counter-polarized noise signals mutually cancel when the two counter-polarized currents are combined through simple electrical contact at both ends of the wire. Thus, through auto-rejection of opposing electrical phase through summation at the ends, C-MARC™ wire perfectly counters the noise induction, whether from external sources or self-induced, which normally pollutes every other twisted Litz wire assembly. In this way, C-MARC™ wire achieves signal transfer which is corrupted substantially less than the industry has been able to achieve through other means. 

C-MARC™ Litz schematic layout. The clockwise and counter-clockwise spirals are mirrored in diameter, step and wire gauge, while at the same time being superposed in relation to one another. This results in opposite phase induction within the very structure of a single polarity line. While production speed is substantially slower, the silence of operation of C-MARC™ wire is far superior to standard Litz structures.] 

(2) This is not all. LessLoss C-MARC™ wire features two-scale "fractal" replication of the aforementioned mutually superposed counter-twisted layout. This mirrored and nested structure further enhances the mutual cancellation of counter-polarized inductive twists, while at the same time allowing enlarged overall cable cross-sectional designs which serve to further lower resistance without at all sacrificing signal fidelity or flexibility. 

What this means

C-MARC™ is intrinsically the most silent wire on the planet and provides pure transmission of signal. The degree of silence of the working solution is in direct proportion to the degree of superposition of the counter-polarized twists as well as in the degree of their mirrored equality in terms of turn radius, step and resistance. The idea being that in the best of worlds, both opposite "polarities" of a single lead of C-MARC™ wire induce the exact same noise, and a perfect summation to zero will result at both ends of the line. 

(3) Because the individual enameled wires which make up the unique Litz structure of the C-MARC™ wire are so small in diameter (0.125mm), this further enlarges the ratio between total surface area and total cross section for even better phase relationship along the entire spectrum. 

(4) This structure further enhances flexibility and ease of bed on any axis, especially for large cross section cables, without unnecessarily enlarging the entire cable assembly. 

(5) The strands used in C-MARC™ wire are covered with thinnest technically possible colorless enamel. They are solderable once tinned in a soldering pot. 

(6) There is no plastic throughout; instead, C-MARC™ wire and cables are insulated with tightly braided 100% natural, gassed and macerated cotton fiber with double coverage for added protection. This results in a very lightweight, highly flexible, naturally sounding product with today's best performance characteristics for delicate audio applications with an enormous signal-to-noise ratio.
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