Raoul Walton was nice enough to give us some bass riffage to demonstrate the Hughes and Kettner Quantum series. This bass amp sports 600-Watts and a myriad of tone control. One feature we really liked was the huge knobs on the front of the head. They are reminiscent of a knob off of an old Federal compressor. Very nice touch. Check out the vid for Raoul's demo of the the Hughes and Kettner Quantum series.