Moog MF-104Z Analog Delay Pedal Delay time: from slightly less than 50 msec to slightly more than 1000 msec. Mix: Pot Control from completely Dry to completely Wet or anything in between. Feedback Control mixes a portion of the delayed signal with the signal from your instrument. Feedback Amount, Delay Time, and Wet/Dry Mix each of these can be controlled from a Moog Expression Pedal thru individual jacks The Output Level on the front panel adjusts the levels of the direct and delayed signals that appear at the Mix Out and Delay Out.