I don't think it's Roland's fault. Summing all the strings together then applying distortion is a very different thing that distorting each single string then summing them. If you want to test yourself, do a 5-6 part harmony playing the individual notes from a chord on separate tracks and you can emulate your own version of this with any guitar you want.What a dumb piece of gear. Love me some Roland but my god; ugh.