Charles, I am very glad to hear the phantom center works in your room. In mine, at 12 feet apart and 15 feet MLP, it doesn't work for movies even at the MLP. Music is a different story.

To qualify this, someone who has not heard a center channel would not object to the diffuse center imaging for movies coming from the actives. But when I use the 160, located directly below my screen, there is no mistake the sound comes from the actors' mouths. Otherwise, the sound is strangely detached from the actors.

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated