Power cords

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.

**no affiliation

What???!!! No shilling for Pangea. HOW COULD THIS HAPPEN???!!!

EVERYONE KNOWS they're the best. EVERYONE!!.

What???!!! No shilling for Pangea. HOW COULD THIS HAPPEN???!!!
EVERYONE KNOWS they're the best. EVERYONE!!.

Uh Oh, you may have taken us down a dangerous path.

Give Elizabeth time, she will respond. :-)
And yes, you went and reopened a can of worms with your inquiry.
I hope you're happy.

All the best,
Nonoise

Another option, Audio Art Statement 1, with Furutech Fi 50 connectors, and DCCA Passion Masters (specifically designed for power amps).