Dwarfcraft Arf Attack Release Filter - UsedThis pedal is in Excellent condition with little to no wear. Looking for an envelope filter that won't activate at all the wrong times and only the right ones? How about an envelope filter that's activation and sustained peak can be controlled by a foot switch or a CV gate signal? Well look no further. This Dwarfcraft ARF or Attack Release Filter is just what you need. Control the range of the effect with the knobs on the pedal, maybe add some gain if