Hughes & Kettner Attax Tube Preamp
Hughes & Kettner Cream Machine
Hughes & Kettner Red Box MKIII Cabinetulator
Hughes & Kettner Red Box Pro
Hughes & Kettner Replex
Hughes & Kettner Rotosphere
Hughes & Kettner Tube Factor
Hughes & Kettner Tube Rotosphere MKII
Hughes & Kettner Tubeman
Hughes & Kettner Tubeman MKII
Hughes & Kettner Warp Factor Distortion