I think there is confusion over what ‘-A’ means. Jim is correct that many 49-Paks have been offered for sale over the years and they are all different. So yes, if you have many 49-Paks from different years, you should install each one.


BIAB 2025 Win Audiophile. Software: Studio One 7 Pro, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus 192 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.