The Roland SC-55 was the standard in the 90s for computer game soundtracks. Maybe a guy like you should take a soundfont like GeneralUser and tweak it until it sounds fine at least in Doom, ROTT and Duke3D. And I doubt Patch93's SC-55 soundfont is the holy grail, either.
On top of that, soundfonts trying to imitate certain synths will never be able to completely nail it. This mod contains high quality recordings of DooM Midi files, ripped from a Roland Sound Canvas SC-55 MK2. Roland Sc-55 Soundfont By Emperorgrieferusĭownload mac os catalina link.
