JEFF GENZLER IS ONE OF BASSDOM’S MOST seasoned amplification gurus, having offered up a host of innovative designs over a three-decade-plus career. While many players were saddened to hear of the demise of his old company Genz Benz, those same fans are thrilled that he’s back, this time with Genzler Amplification. An early proponent of Class D/SMPS amps, Genzler currently offers a single head, the Magellan 800 reviewed here, with new designs forthcoming.