Curious - what's the difference between Shakti and Ferrite beads? http://en.wikipedia.org/wiki/Ferrite_bead http://en.wikipedia.org/wiki/Ferrite_bead I used f

Curious - what's the difference between Shakti and Ferrite beads? http://en.wikipedia.org/wiki/Ferrite_bead http://en.wikipedia.org/wiki/Ferrite_bead I used ferrite beads to remove EMI in a pair of self-powered speakers. I was hearing the local college station broadcast at a very low level when nothing was playing. I added them to the speaker wires, along with a basic EMI power strip, and the interference was gone.