Don’t do what that article says. I’m not being overly critical of its author because I am the author of that article. I wrote it before I found a thread here in the Roon Nucleus forums with advice on how to do the same thing from Roon’s own Danny Dulai who knows a lot more about this sort of stuff than I do.
Here’s the link to Danny’s recommendations for how to do it:
Danny’s instructions are highlighted in yellow in that thread. They work and I think it sounds better Danny’s way than it does with the settings I came up with but I have no idea why.