I did a quick search on this and I think that's related to an older cab pack:Interesting - not had chance to try the new cab yet, but a quick Google has shown the following article around Fractal choosing Rupert Neve design RNDI for cab captures - (hope not breaking etiquette by listing link) https://rupertneve.com/news/fractal-audio-rndi - Could this be part of it also? - it refers to new cab packs - or am I barking up the wrong tone tree...
https://forum.fractalaudio.com/threads/rupert-neve-news-item-about-fractal-audio-systems.108817/