Glad to see another musician discovering the overlooked BK9. It does all I want or need for live performance. I avoid the wheel by using the OTS which were at first hard to program but now very easy.IT sounds great too with my edited SMF's.
I also have two and two BK7m's so you can tell I'm a Roland BK guy for a long time.

Good luck with your new board.
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Bill in SC --- Roland BK9 (2) Roland BK7M, Roland PK5 Pedals, Roland FP90, Roland CM30 (2), JBL Eon Ones (2) JBL 610 Monitor, Behringer Sub, EV mics, Apple iPad (2) Behringer DJ mixer