The Carbon Copy® Analog Delay has been the world’s bestselling delay pedal in the world since its release in 2009. Its warm analog sound, ease of use, and healthy reserve of delay time made the pedal a hit with guitar players everywhere, weekend warriors and recording pros alike.

We sat down with the masterminds behind this modern classic—veteran MXR® engineer Bob Cedro and Way Huge founder/delay guru Jeorge Tripps—to talk about the this pedal’s origins as well as the development of the newly released Carbon Copy Bright Analog Delay, a collaboration with the guys at Pro Guitar Shop that provides brighter, more refined repeats.