The Eagletone Tube Distortion Pedal. This tube distortion pedal is powered by a select 6AX7 vacuum tube and features a unique paracyclic filter that makes it the most versatile distortion pedal ever! From warm, full natural tone to the most blistering distortion, the Eagletone Tube distortion pedal delivers. You don't have to spend a lot of your cash on a tube amp when this pedal gives you all the tone you'll want or need!