I've used spikes on speakers including sub's and noted no noticeable difference. The X-30 crossover is great. I use 2 of them on 2 different systems and I don't even use Paradigm speakers. Best most affordable active X-over. Experiment with the X-30 instead of the spikes. Gold plated spikes, didn't they use them in the transcontinental railroad when the east met the west in Utah?
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