Do power cables make a difference to sound quality?

[killdozer (Brutalise me with music)]

Thanks for the heads up, I’d not seen that thread. The reference in this post makes interesting reading.

Is burn-in real?

Not sure this link has already been shared here. http://matrix-hifi.com/ENG_contenedor_rodajealtavoces.htm ATC are saying their speakers don’t need burn-in.