Roland OP-8 CV InterfaceNotes Very rare Roland OP 8 CV to DCB interface, for controlling DCB equipped keyboards from an MC 4 sequencer or other CV gate source. This powers on but we do not have the means to test it. It is sold as is. A Roland OP 8 CV Interface in Very Good condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you are getting. We always picture any and all