In the words of MXR:

In just over a decade, the has become a rock n roll staple. Its rich bucket-brigade warmth and elegant simplicity have endeared it to guitar players around the
worldweekend warriors and recording pros alike. Its the go-to standard
for players who want a well-rounded, easy-to-use delay pedal that
sounds incredible. Between the Carbon Copy Analog Delay and ,
you can find a solution for almost any of your delay needsbut if
youre looking to free up some space on your own board, or downsize to a
smaller one for travel gigs, then consider another demand met.