NAMM '15 - Diamond Guitars & Amps 327SD Amp, Hailfire EX, Zoltan Bathory Signature Halcyon ZB Charles SaufleyFebruary 11, 2015VideoThe Houston brand unveils a handful of new models and updates, plus show off their newest head—the company's first one with 5881 tubes—that was designed and built with Mike Soldano.whats-newdiamondsoldanovideostube-headgear-show-demonamm-20155881guitarsampsgearGearElectric GuitarsAmpsVideosNAMMReviews