Which one do you think will be a better choice for my Rogue Audio Apollos monoblocks? Looking for the blacker background possible. Options I'm considering are: Blue Circle BC68mk2 and DCCA Passion Pro XXLs.
All I can add is my experience with the Blue Circle BC86 mkIII filters in my system. They provide such a deep black background that I'm hearing so much more detail. The BC68MKII PC uses these filters in-line. I can only say that the Blue Circle will be my next PC.
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