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The DM-3 was last analog delay pedal produced by Boss. The circuitry is similar to the DM-2’s but it isn’t identical. The DM-3 has a built in high speed noise reduction circuit and an additional filter. It’s also got a direct output that can be used to create a stereo effect. The delay time is variable between 20ms and 300ms just as the DM-2 and the control layout is also identical. The knobs on the DM-3 stands out when comparing to other Boss pedals. They only featured on the DM-3 and early versions of the CE-2B.

Boss DM-3 Delay


  • Controls: Repeat Rate, Echo, Intensity
  • Connectors: Input, Output, AC Adaptor
  • Current Draw: 18 mA (DC 9V, D.Time control at center)
  • Weight: 450 g (0.99 lb.)
  • Input Impedance: 1Mohm (FET Input)
  • Residual Noise Level: -100dBm (IHF-A)
  • Recommended Load Impedance: 10kOhm or greater
  • Delay Time: 20ms to 300ms
  • Recommended AC Adaptor: ACA Series


  • Green – Made In Japan

The DM-3 was sold from May 1984 to May 1988.