Carl Martin Red Repeat Tap TempoAh the misunderstood delay echo.. rather than go into the technical description of this effect, lets keep it simple. The Red Repeat 2016 Edition is designed to take your guitar signal and repeat it after a given amount of time. The simplest description comes from the Echoplexes and Space Echoes of years ago. If you envision a tape recorder with the recording head and the playback head in line with each other, and the tape (usually a loop of some sort)