I'd need to know the effect the Korg AX3000B's "Orange Distortion" is modeled after. The manual says: "This models a classic distortion unit manufactured in Japan and packaged in an orange box." So, my guess would be Boss DS-1 Distortion but I haven't really heard that being a classic bass distortion, I've seen many SD-1, ODB-3 and OS-2 though but they're all yellow. Maybe someone here knows better than me? Not that it couldn't be DS-1 but it just seems a bit strange to model that one instead of e.g. SD-1 or OS-2 which work wonderfully on a bass.