The Dunlop ECB004US AC adapter provides 18VDC @ 500mA of current for most effects pedals requiring 18 volts of power. Check specifications to make sure this adapter is the right fit for your pedal 18VDC @ 0.5A, 5% regulated 2.1mm x 5.5mm [3.6 x 2.1 x 2.9 inches] Positive barrel, negative center . [fmain]
