There was a thread a while back started by me that brought up the same issue. You can view it here:

http://www.axiomaudio.com/boards/showthreaded.php?Cat=&Board=HT&Number=30827&page=&view=&sb=&o=

Basically, we're wrong and the VP150 is a perfect timbre match to all the Axiom speakers. There's nothing wrong with your VP150. It's the best!! BTW, I sent mine back.