Thaddeus Hogarth, a guitar instructor and course author at Berklee Online, talks about his own experience with the Klon Centaur guitar pedal, and how its introduction in the ′90s is arguably one of the most significant milestones in the world of overdrive pedals.

I was at the New York Amp show earlier this year and the night before the show, I attended a jam session where one of my good friends was jamming through an amp called an Evil Robot.