Ridge Street Audio Poiema!!! power cords and interconnects are the most neutral wires I have ever heard. In fact, I cannot imagine hearing a less colored and more neutral cable.
I've owned or heard in my system:
Purist Audio Venustas and Dominus
Revelation Audio Paradise
Ridge Street Audio Midnight Special Edition, Poiema!! and Poiema!!!
Acoustic Zen Matrix Reference and Silver Reference
Audience Au24
Empirical Audio Holophonic PC
Z Squared Topline Au/Au
VH Audio Pulsar
Kimber Select 1030
I've owned or heard in my system:
Purist Audio Venustas and Dominus
Revelation Audio Paradise
Ridge Street Audio Midnight Special Edition, Poiema!! and Poiema!!!
Acoustic Zen Matrix Reference and Silver Reference
Audience Au24
Empirical Audio Holophonic PC
Z Squared Topline Au/Au
VH Audio Pulsar
Kimber Select 1030