To be honest I don't know exactly. What I can say is that I connected the cables in the morning, listened a little bit but not very intensive. I heard a bit harshness, but those cables came straight from the box. I went to work and in the evening I started listening. I liked what they did. This was Monday evening. I repeated the session yesterday during the day and I didn't notice any difference in SQ so the cables were probably already in optimum condition on Monday evening.
Thanks. I look forward to hearing good things from this cable.