I have noticed that the effect sound for the 70's Chorus and ScriptModPhase are strongest at the 50% "Mix" parameter level. This does not make any sense to me. On most non-Helix effects when you turn up the mix level, you get less direct guitar and more affected signal. At 100% you get the most effect available in the output. On the Helix, turning up the "Mix" to 100% decreases the effect signal to almost zero, such that the chorus or phaser sound pretty much disappear. Turning the "Mix" to 0% also results in almost zero (which is what I would expect). I am using the XLR (left) mono ouput direct to my mixing board.
I brought this issue up in the Bugs topic and got a couple of good speculations as to why the "Mix" parameter is operating this way but I am still unsure as to whether this is a bug or not. This does not seem to be normal behavior. Can Line6 please weigh in on why the chorus, phaser, and I presume several other (all?) effects are showing this behavior. If it is intentional, what is the difference between running the "Mix" parameter at for instance 25% versus 75%? How is the "Mix" parameter implemented on the Helix?