Jim Griffin had an array using twelve of the FR125SR version of this driver with an array of eight Aurum Cantus tweeters at the 2006 Lone Star Audio Fest. It was bi amplified using a DEQX preamp/crossover. I had no need for another line array at the time or it would have gone home with me. He also had a pair of bipole speakers using the eight ohm full range version of this driver, and I was impressed enough with the its sound to build a pair of those.