intellijel...
pulp logic were 1st, but not a lot of other companies produced tiles for the format, whereas once intellijel introduced their format, lots of other manufacturers started designing modules for this format... i suspect it's down to intellijel marketing their cases, by giving them to youtube/instagram influencers, as much as anything else
"some of the best base-level info to remember can be found in Jim's sigfile" @Lugia
Utility modules are the dull polish that makes the shiny modules actually shine!!!
sound sources < sound modifiers < modulation sources < utilities