Quote:
Originally Posted by bw41101
However, it is true that with very long lengths performance can suffer due to the electrical resistance of the cable. Reduction of this loss can be achieved by increasing the cross sectional area of the actual cores within same, basically more copper less resistance, but even then you're constrained with the size of the HDMI connectors themselves.
If one uses the analogy of trying to connect a hosepipe to a medial syringe - no matter how much liquid there is in the pipe or how much pressure is applied you won't get it out any quicker that the needle on the syringe will allow.
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You're not constrained by the size of the connectors at all though. Your analogy falls apart when you realise that data flow in a cable is nothing like water flow in a pipe, the diameter of the cable does not effect the data capacity, you're not using thicker cables to get more data down there, so it doesn't matter that the connector has to downsize to a smaller core, it won't create a bottleneck like a pipe would. If the majority of the cable is lower resistance thicker core cable then the 1cm of thinner core cable into the connectors won't have much of an effect. The overall resistance of the cable will still be far lower than if the entire cable was made of the same thin core cable.
Low resistance cabling in general isn't snake oil, however using it for digital connections over short runs is.