ADA S1000 ONE SECOND DIGITAL DELAY. Warm-sounding analog sound. Delay time is adjustable in real time-a feature that is harder to find on rack units. Has a REPEAT HOLD feature, which can be used with a latching momentary switch, not included. Original power cable is attached. Delay ranges are selectable. Phase invert switch. Two of the knobs are missing their colored top caps. See pictures 1 and 2. Single rack space.