How do I engage Duophonic Mode and other Hidden Parameters on the Subsequent 25? Taylor July 01, 2020 19:14 Updated Many of the “Under the Hood” and Hidden Parameters can be found here: https://back.moogmusic.com/sites/default/files/2020-01/Subsequent_25_Hidden_Parameter_Editing.pdf Related articles How do I change the Beat Frequency on the Subsequent 25? How do I download the Sub Phatty Editor & Librarian? How do I download the Free Software Editor and Librarian for the Subsequent 25? My Sub Phatty sounds out of tune, should I send it in for a tuning? Using Original Sub Phatty Presets with the Subsequent 25 Having trouble? Contact Us. chat tech supportapp supportgeneral support 828-251-0090 Comments 0 comments Please sign in to leave a comment.