Exactly, the problem is for the bass track (it reaches up to 125), but also for mfx 2, it doesn't reach the maximum value but stops two values ​​below. As for the drawbar, it doesn't cause any problems, perhaps because the excursion is wider. This is why I decided to leave the slider like this; I will only purchase 10 sliders and keep them in case the other sliders fail. A premise, I haven't used the Bk9 as an arranger for 6 years now. Ever since I joined a rock band I've been playing the Bk9 like a workstation. I make changes to the sounds (cut off, resonance, attack, decay) using the sliders, and then I store them together with other settings (split, transpose, octaves etc), which are easily recallable. A beautiful keyboard; I had Yamaha, Technics, Roland E 80 (beautiful but heavy) and finally the Bk9, a versatile machine.