Cool Joe, I was just trying to answer the guy's question. They certainly are different sounding and as you pointed out there's good reason for it.
-R
No worries at all! And sorry if I came across like I was stating the obvious. I just wanted to make sure that future folks who stumble across this thread knew that the two mics were based on different archetypes.
Thanks for taking the time to listen to the Blackspade UM17R and posting your thoughts here!