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Coppercord

Designed & Handcrafted by Yannis Tomé.  
Pure, solid OCC copper phono cable - Cotton & Teflon dielectric - double shielded - Starquad geometry. 

Coppercord internal - new vers.

COPPERCORD is a line of handmade, pure OCC copper cables in starquad geometries. Coppercord cables feature a unique combination of cotton and PTFE (Teflon) as  their primary and secondary dielectric.  These innovative designs  deliver a consistent signal transfer across the audible frequency range, with very low dielectric involvement. We have taken advantage of the  full potential of cotton and Teflon by designing and producing insulated conductors that overcome typical, mechanical limitations associated  with these two materials. Despite their minimal appearance which allows us to keep he price of these  cables at low levels, their finish is elegant, very flexible and user  friendly while their internal structure is maintained accurately by a  solid and durable construction

Coppercord consists of four solid copper cores individually suspended inside  cotton fibers and sealed in solid Teflon.. The application of cotton  fibers allows a very good degree of dimensional stability with a  predominantly air dielectric, preventing the movement of the copper wire inside the Teflon tubes. On the other hand the use of thin, solid PTFE  as an outer layer maintains a fixed proximity among the cable conductors and ensures a perfect sealing factor preventing moisture to reach the cotton  insulation and delivering an extremely efficient degree of electrical  isolation with stable values across a wide range of frequencies and  temperatures. The result is a largely air based dielectric with minimal  impact, excellent suspension of the metal conductor and elimination of  the aging and moisture absorption character of cotton.

The design is further topped with a lower density layer of PTFE serving as  bedding insulation between the signal conductors and the cable shield.  The cable is fully shielded from one end to the other using two layers of dense OFC  copper braids of very high optical coverage . Finally, the cable is finished with a soft and extremely flexible silicone rubber  jacket to enhance the mechanical characteristics of the cable as well as provide overall protection to the entire assembly.



For more details on this cable and an image gallery you can vistit:
COPPERCORD Website (opens a new window)

RCA CONNECTOR OPTIONS:


For an overview of various RCA connectors that we use on our cables you can visit: - RCA Connectors -

If you wish to add a certain customization to your order, please contact us at info@back-promo.co.uk .
  

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SILVERCORD & COPPERCORD LINES OF ANALOGUE INTERCONNECT CABLES

The Coppercord & Silvercord lines of cables feature low capacitance, handmade, solid core cables. The cables offered in this series, follow a similar geometry and share many design ideas. However, there are significant variations regarding their conductor material, dielectric and shielding. A wide selection of connectors is available for all the variations across this range of cables.

The Coppercord & Silvercord series is designed to offer outstanding sonic performance, by a professionally constructed and finished cable assembly. At the same time, these cables have a minimal, ‘no frills’ appearance which allows us to offer them at very competitive prices despite the high quality of their materials.

All of our handmade cables are researched, designed and produced by ourselves in our workshop in Wales using raw materials. We do not use off the reel cables or pre-insulated conductors and all the cables are made on order to our customers’ specifications. We are responsible for all production and distribution so that our selling prices are free from any marketing and distribution overheads

Back In 2014 we decided to design a line of analogue audio cables which could deliver very similar performance to our CLIO cables but it could also be offered at an even more affordable price. A year later we launched Silvercord cables followed by Silvercord Plus. In this line of pure silver cables we also added our Coppercord cables (2016), featuring similar principles but using OCC copper instead of OCC silver as their signal conductors. In 2021 we also introduced the Silvercord Duo24 phono and line level interconnect cables. .

All of the phono cable designs in the Silvercord & Coppercord lines share some common principles: Very low capacitance, high purity continuous casting silver and copper conductors, insulation with very low dielectric involvement, heavy shielding using a minimum of a silver plated OFC copper braid with 98% optical coverage (this is one of the finest shielding braids available in the market, by far exceeding the standards of the shields used on audio cables) and a minimal but elegant appearance with an outer silicone compound cable jacket.

The challenge with such cable designs is to assemble and finish them in a manner that ensures consistency of the conductors alignment, durability against regular handling, resistance to the environmental impact, and a user friendly profile with suitable mechanical characteristics. Although the above seem straightforward and they are taken for given, they are usually absent from most handmade (and not only) high end cables. The finish of the cables is kept as minimal as possible but we have chosen to use a high quality airtight insulation for the cable jacket. Braided sleeves that are often used on handmade cables may look appealing but unless the cable assembly is properly finished with a suitable cable jacket, the braided sleeve will not offer any substantial protection to the cable. Braided sleeves allow air and moisture to penetrate a cable that does not have a proper jacket resulting to oxidization of the metal parts and higher levels of energy storing  by the cable dielectric over a short period of time. At the same time braided sleeves offer very little in maintaining the dimensional stability of the cable and mechanically support to the inner assembly. They overall offer a very poor electrical isolation between the cable and its environment and their main role is to be used as an added layer of protection against vibration and handling; not to replace the cable jacket itself. 

The extremely flexible silicone jackets we use on the SIlvercord & Coppercord cables, along with a combination of solid and medium density inner insulation and  fine stranded braided shields result to a highly flexible profile. These cables can be used with ease on turntables that require extensive flexing of the signal cable and reduce any mechanical feedback on the tonearm itself. You will find that not only the sonic performance of the Silvercord & Coppercord cables is well above what their price suggests, but also their craftsmanship is beyond one’s expectations for such modest cables.

In a nutshell, the main reasons for choosing one of our Cord Series cables:
- One of the most effective shielding arrangements with a very high coverage and skin depth and low impedance to the ground
- Very low capacitance
- Extremely flexible (for ease of installation and minimal mechanical feedback/strain on the tonearm and the turntable suspension)
- Outstanding build quality and finish to ensure consistent performance and durability over a very long period of time.
- Dedicated, precision executed design, to accommodate optimal geometry, dielectric and conductor material.

£78.00 inc. tax

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RCA Connectors*

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Yannis Tomé Audio Cables
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