Yes the Kimber Select do not have shield, wich makes them more susceptible to noise, but have a lower capacitance compared to a shielded cable, wich is good soundwise. But then you are having a RFI problem. You must investigate if it's generated by one of your components or is a external source. In either case you have a problem that is degrading your signal.
As a Kimber select owner I can only say that I have a black background in my system.
As a Kimber select owner I can only say that I have a black background in my system.