Check the listing for details. MXR M169 Carbon Copy Analog Delay Pedal Echo. Condition: New. Listed at 149.99 USD. MXR Carbon Copy Analog Delay Go from crisp "bathroom" slap echoes to epic, Gilmouresque delays with the MXR Carbon Copy Analog Delay. Featuring 600ms of delay time with optional modulation, and a three-knob layout that controls Delay, Mix, and Regen. In addition, there are two internal trim pots that offer user-adjustable width and rate control of the modulation for even more tonal options. All done by a completely analog audio path for authentic rich, warm analog delay made possible only by old-school analog bucket brigade technology. Takes you from crisp "bathroom" slap echoes to epic, Gilmour-esque delays. Completely analog audio path is made possible by old-school bucket brigade technology. Power: Dunlop ECB003 AC Adapter or Single 9 volt battery(NOT INCLUDED)