I used to have a old Tascam mixing board which has long since died for my in-home studio. So now I have the synthesizer that I use (Yamaha Motif XF8 with extra memory). The problem is that the collection of 6 rack mount synths that I have: Yamaha TG77 Yamaha EX5R Kurzweil K2500RS Korg 03/RW Roland M...