My ONLY issue with previous SA filters I've owned is that when I play legato notes (notes that overlap each other a bit) or chords, the filter sweep goes from "wow wow" to "woh woh" when I go back to separate single notes. No other envelope filter I've used does that. I've read that other musicians have experienced the same thing (YMMV).
Playing "clean" and always keeping the notes separate is not an option, because some of the passages I play would lose their feel if I didn't play them legato. Can anyone who's had this issue with previous SA filters confirm that the Intelligent Filter has resolved this?
I'd call that a unique feature!