http://www.ckkelectronic.com The Infinite from CKK Electronic is a versatile reverb with a simple feature set. You can dial in anything from Room to Hall or Plate to Cathedral easily with the highly interactive controls. PRE-DELAY is used to adjust the time between dry signal and the first reflection; DECAY is used to set the rate of reverb decay; DAMPING is used to adjust the intensity of the reverb signal. The Reverb knob is for how much Reverb you want.