IME, they're very different sounds, and the Fusion is much closer to playing through a tube amp but with the GK quality still there, especially in the high-mids. I find the Fusion preamp to be a great addition to the basic 500 sound, at least for my taste. Channel switching is also very effective vs. the non-Fusion. Of course I don't rely on pedals for much other than switching, so that might be a factor. In any case, the MBF-500's about all I gig anymore.
Bass since '65
Last edited by TomB : 09-02-2013 at 04:10 PM.