Yes, you've got it right. I'm trying to find a tweeter that will reach down lower, but still keep up with the 288/1005. I have to bring the mids down 7-10dB to match most tweeters I have. I may try the Eminence ATP next. The roll off at 17K I don't care about, I can't hear it now anyway. And when I could hear it, it just annoyed me.