It's not difficult to drive, it's extremely efficient; it's not sealed. Moreover, it's not a poor design, as it's been a Paradigm staple style for many years, highly rated and very sought after among Paradigm enthusiasts. I'm not sure why you would say it's a speaker to stay clear from. That's the complete opposite sentiment from those who own it- a lot of testimonials on AVS. Not trying to be argumentative either, just pointing a few things out!