Boss DM-101 Analog Delay MachineAnalog Delay for the 21st Century Analog delays based around BBD (bucket brigade device) microchips emerged in the 1970s as a compact and cost effective alternative to the standard tape delays of the era. Their warm, saturated, and highly musical sound established a distinctive style of delay that remains favored by many musicians and audio engineers. Leveraging modern CPU control, the DM 101 supercharges this classic effect with enhanced capabilities