My Onk allows me to select between a 3 or 8 point calibration. I thought perhaps Denon allows that too.

Yeah...thats what I thought about your room. It's too bad really. You can never possibly know what those v4 M60s are capable of. Unless of course you temporarily place them in the great room...heh heh...I'm evil!

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