Hello ernestov,
Was rereading the soundlab website to get tips on speaker placement; under Technology/Set-up Tips: “Side-wall placing is not particularly critical with our speakers. This is because an energy null exists at the sides of the speakers and little energy reaches the side walls”. However the site states: “As a starting point, set the speakers about 3 feet from the back wall and toe them in such that if imaginary perpendicular lines were to extend from the center of each speaker, they would cross at your head”. I have a room that is 25″ by 15″, I am set up along one of the short walls. Now have Ultimate 1-PX, they are about 5 feet from the backwall and about 12 feet apart, listening distance is about 16 feet, units toed-in only about 15 degrees. Can’t hear the speakers anymore, really just hear sound from a field that spans the entire far end of the room. Sounds like a live concert. Love these transducers.