Get the sound that made the Classic 1970 Small Stone famous. Generates thick sweeping phase shifting with liquid transparency. Feedback color control adds a tingling swirl. Blues players dig the Stone's rapid rotating speaker effect. Country players add tasty seasoning to their chicken pickin'. Metal-heads dig its jet plane swoosh. Quick Specs - True bypass - Variable rate control allows slow and smooth to rapid edge frequency sweeps - Color switch adds Q and thins the moving comb filters - Tough and compact die-cast chassis - 9-volt battery included - Optional 96DC-200BI power supply available