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Two things...


1) Make certain that there is a SHORT ground lead (copper tubing or flat copper braided strap is best) directly from the LOW PASS FILTER ground lug, to an 8 or 10 foot station grounding rod. If you did not efficiently GROUND the low pass filter, it is basically useless. You need to FORCE the harmonics directly to GROUND.


2) Computer speakers are an EASY fix. Use the proper mix torroidal beads. Run the speaker wire as many turns through the torroid, as possible. Done.


73's