Very helpful article, but I'm still not clear on why you chose to use Bipolar instead of Unipolar curves to control the morphing.

When I think of Bipolar, I'm thinking of controls like Pitch Bend, which have a zero point in the middle. When I think of Unipolar, I'm thinking of controls like Mod Wheel, which go from zero to some maximum value. Morphing seems more like a Unipolar situation to me: you're turning one Part up from zero while turning the other one down to zero. It doesn't seem to me like this is a "zero in the middle" situation.

But I can imagine thinking that the Super Knob has a "zero position" midway through its travel. Is that the kind of thought process you went through when you were creating these two bipolar Performances? If not, can you explain what the thought process actually was?

Please experiment with these settings. That is the purpose of the tutorials. You will find that you can accomplish things in several ways.

The start position of the Super Knob can be stored anywhere, 0-127.

Unipolar can be used to turn something up from the stored value, or something down from the stored value. This is different from bipolar where the start is from completely off through to the value or from on through to the value.

BM, your tutorial suggests starting with "Super Knob Morph A." Why can't I find this?

NM - I found your download link!

"aha!"

This is by far the best explanation of how the Superknob works und the harmonics are morphed together.
Great!
Thank you Phil.
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MASTERING MONTAGE 5: SUPER KNOB MORPH
https://www.yamahasynth.com/resources/super-knob-morph