Setting up a home theater requires thought about seating, the projector, speakers, etc. One very important layout question to ask and answer early on: How far should a projector be from the screen?

This is Vava, a 4K definition Ultra Short Throw (UST) home theater projector retailing for $2,700. For those of you not familiar with the term, UST refers to “throw distance"—the amount of space you ...