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HDMI distribution Cable leads

HDMI Cables: The importance of a high quality.

Unlike SCART analog cables, HDMI are data cables which carry digital signals between generators (BluRay, PC, DDT or SAT HD Receivers, etc.) and TVs through its different conductors.

For a HDMI to work properly needs complying several rules to reach a particular quality standard. The existence of these standards is barely known by both professionals and end users.

Just the fact of using the HDMI acronym involves complying with a list of technical specifications; therefore It will be wrong to compare it just by its connection schematics. This lack of information added to the fact that the HDMI is a domestic cable are the main reasons that facilitate unsound HDMI cables abounding the market.

A customer that buys an HDMI cable must be aware that:

Despite the existance of HDMI quality requirements, there is not any guidelines in Europe to exclude those cables which do not comply with the standards. For that reason, the quality will only be assured if it is supported by both certification and contrasted quality, as offered by Televés.

What makes the difference in an HDMI cable?

The type of material and method of manufacturing are what make a difference in the cable quality, especially on the conductor and coating. Let's dig into some aspects that may help evaluate the quality of a HDMI cable:


  • HDMI standards indicate that the conductor shall be multiwired. This type of conductor guarantee the compliance with the electrical tests but also ensures the cable's flexibility: installation in narrow spaces is likely. Many of the nowadays available cables in the market use conductors with only one central wire, thus achieving a significant cost saving but a significant reduction in performance.
  • Moreover, it is common to find conductors made of copper-plated steel instead of copper itself, or any other composition metal of lower costs and worse performance that do not pass any attenuation or jitter tests.
  • The number of wiring conductors should be 19, since it's the number of pins required by the standard. There are manufacturers that, taking advantage of the non usage of some of these pins, produce cables with only 15 conductors thus limiting its use for future applications.
  • Every conductor should be supplied twisted and with a shelding mesh. As any data cable, these two aspects prevent from issues like crosstalk or signal coupling between pairs. With no shielding in the cable, the facility to which cable belongs would not meet the EC Directive, therefore It is not recommended to distribute any cables of this kind in Europe.


  • One of the most important aspects in the quality evaluation of a cables' coating is the RoHS directive. Non compliance of this directive would mean that the cable is contaminant and therefore, harmful.
  • The presence of excessive wrinkles and folds increases the risk of rupture of the protective coating so it will be easier to weaken the cables' features.

Why choose a Televés HDMI cable?

Every Televés' HDMI cable has high technical and physical characteristics which ensure its performance according to the standards. Moreover, as a licensee firm, Televés is aware of the signed agreements with “HDMI Licensing LLC”.

Cable leads

Transmission of HD (High Definition) digital TV between two devices