Thanks...I've actually just finished installing a level 1 system from Musicar. I decided to run the Morell Dotech and Jehnert speakers after reading a number of posts and talking to Ken. I'm going to write a post about my install and impressions after I've spent more time with it, but it really is a nice package. The greater range and quality of this combo really lend themselves more to an accurate representation of the sound and not exaggerated bass.
I was asking about the details on the Jehnerts as I was trying to set the crossover for the front and underseat speakers. Ken is recommending 200 Hz as a target, so I'll try that for now, but may tweak it later.