GALLERY: Gear of Late Night TV Jason ShadrickNovember 6, 2012See each show''s guitar and bass rigs up close and personal in photos.McGinnis main amp is a 1963 Fender Showman with a Bill Krinard-designed Dumble-style circuit with seven volume controls (he has to set it upside down to keep it cool). geargear-gallerieswhats-newGearGear Galleries