Thanks for the amazing Gallien-Krueger impulses. I bought the classic 410T and this is the best I ever heard. I have the same physical rig what I can’t use for recordings because the lack of space but I have a comparison and the IR with a GK800RB head sounds exactly like the real rig.
Here’s a demo: https://www.youtube.com/watch?v=YctihDBGWyw I did this with the hyperreal sm57.