Would center channel benefit audio only room?

Almarg, an electronic crossover and 2 tweeters would allow me to experiment in that frequency range, and the level can be controlled with the crossover.

Orpheus10, I've now asked you twice how loudly you listen and how far from the speakers you sit.

For some reason, you don't answer, so now I'm in agreement with some of the others in this thread who consider participation here a waste of time.

Bye.

Tvad, at a normal range; the volume does not alter the soundstage one way or the other.

Lars, Zu Essence has also discovered, "Less is more". They call a 2 way 1.5 which is what it is. To add without adding.

Take my word for this. The problem I have is the result of some unique room acoustics that can not be altered, consequently I will have to discover and emphasize the affected frequencies. A problem of this nature will not change with new speakers.