I was told the source. But I would think the speaker my resonong is that everything runs throught the speaker all your sources. From what I read keeping the cable all the same brand doesn't matter because each cable handles a specific need but I would keep the tupes the same. For example audioquest doesn't play nice with Kimber since audioquest is a solid core and kimber is not.
Me I use all the same. Or trying to.
Me I use all the same. Or trying to.