@FractalAudio Based on one of the responses on this thread, I looked at the Fractal Amp Wiki (
https://wiki.fractalaudio.com/axefx2/index.php?title=Amp:_all_models#USA_PRE_LD1_RED) and it reports "I did NOT use a Boogie power amp model with these as I always preferred using my Triaxis (I have two of them) with a more typical tube power amp. My favorite power amp with the Triaxis was a VHT 2502 so the power amp model is very similar to that.".
I know you're knee deep working on a big update right now, but when you have time...
Is it possible you can shoot the Triaxis again using the 2:90 power amp and create separate amp models in the Axe-Fx that have the none of the 2:90 modes engaged, and then with Modern, Deep, and Modern and Deep modes engaged (since volume isn't an issue with the Axe, I can't imagine an use for the Half mode) - just as you have done with some of the Marshall and Vox models (e.g., with and without the bright mode engaged)?