Lol….
So I’ve since watched an Audiosciencereview that is passionate as always, where Amir “proves” that it is impossible for RF to harm speaker cables. I put “proves” in quotes because while his explanation makes sense to me, I also am not an expert and don’t know.
Also, Nordost has told me it’s not likely RF that is causing my issue and that it’s all AC. They said shielding on speaker wires is not done by cable producers and is not needed.