The MIDI to CV interface of the ASM1 X is now a MCV-628 receving notes(V/Oct), Wheel , velocity or any other MIDI controler. MIDI messages are converted to control voltages.The pitch CV is wired to the Glide input on Matrix. The Wheel CV (ctrl1) goes to the ASM1 VCF CV Jack,and the Velo/Ctrl CV is wired to the CVMIDI/Ext on Matrix. Glide is an ASM-1 module .