Tube WorksAugust 17, 2021Blue Tube (Real Tube Enhancer) (Concept & Design: BK Butler) Silver Case & Blue Graphics w/Three-Prong Plug
Tube WorksJune 29, 2022Blue Tube (Real Tube Enhancer) (Concept & Design: BK Butler) Blue Case & Yellow Graphics w/Three-Prong Plug
Tube WorksAugust 17, 2021Tube Driver (Real Tube Overdrive) (Concept & Design: BK Butler) w/Four Knobs & Three Prong Plug
Tube WorksAugust 17, 2021Blue Tube (Real Tube Enhancer) (Concept & Design: BK Butler) Rack Mount Overdrive/Distortion
