[udauda]

 

The effect of headphone cables: SONY MDR-EX1000

http://rinchoi.blogspot.com/2012/04/effect-of-headphone-cables-sony-mdr.html
 
This is a comparison between a non-OFC cable, an OFC cable(RK-EX600LP), and a 99.99999% OFC cable(RK-EX1000SP). Binaural samples for subjective assessment are available as well.