Earthquaker Devices Aurelius ChorusThree voice chorus with the ability to save and recall six presets: Chorus Vibrato Mode: is a familiar traditional chorus type effect that leans towards vibrato with a triangle LFO modulating a short delay line Chorus Flanger Mode: is a blend of chorus and flanger. It has more warmth and slower rates than Chorus Vibrato Mode and uses a sine wave LFO to modulate the delay line. Rotary Mode: is a rotary chorus effect modeled after the sound of a Leslie