A bias controlled test?\n\n\nOf sorts yes, we weren't even informed of exactly what was going on only that we started out listening to one pair of speakers and then another. Asked if we heard anything different ? (my comment on panel\/woofer integration) and then told of the difference in pairs.\n\nI believe M\/L was demonstrating with the run-in speakers that they had greatly overcome the integration issue that so many of us had with their earlier generation design hybrid (stat panel and conventional cone woofer). All of us that had experience with the older models (Prodigy for me) felt even when brand new the Summitt's were less noticeable. But as we all know long term auditory recall is questionable at best !