"Conclusion
The drivers are tightly aligned, with the tweeters offset in a classic mirror configuration at the edge of the baffle. This allows the listener positioning-options tweeter on the inside edge for pinpoint imaging and perceived depth, or at the outside (keeping in mind those first reflections from sidewalls) for a wider, more expansive soundstage."
http://www.avguide.com/review/focus-audio-fs-78se-loudspeaker?page=1
