It is pretty hard for people to state preferences during a blind test then decide later there was something wrong with the test conditions ... When someone who claims a major superiority of "his speakers" refuses to participate in a blind test, it is a clear sign that person is afraid he might "lose" ...

In other words, He takes life TOO seriously...

OH ... and in regards to the 850's, I will either use my current RS-1K's with the woofers unplugged, or buy a pair of 850's ...