I took my speakers to the dealer today. Their set don't make the noise, mine do. I even tried connecting 1 of mine and 1 of theirs, mine made the noise, theirs didn't They're doing to contact Meridian to see if it's a known problem and whether a solution is available.

Finally the proud owner of a 218 and 3200's... Will they grow up to be an 818v3 and 8000 se's???
Isotek Sigma Evo 3 power conditioner