Converging traditional tube circuitry and state-of-the-art digital technology, Replex™ replicates the sound and response of a ‘60s tape echo with awesome accuracy. And it handles and operates far more conveniently and reliably than the original. The Vintage Factor knob is its grooviest sound-sculpting tool. Twist it to take a trip down memory lane and enjoy everything from modern digital precision to vintage ‘60s wow, flutter and tape saturation effects.