Since the early 1970's, Electro-Harmonix has been designing analog delays featured on some of the greatest recordings and used by legendary musicians throughout the world. From the original Memory Man to the Deluxe Memory Man, still available today, EHX's delays are desired instruments for the organic tones that deliver textures that define quality.The Memory Boy carries the performance heritage for warm analog delays and modulations that made its ancestors the go to legends that remain today. With two years in design using new and refined, analog IC's the focus was making the legend affordable to every musician while maintaining the character and artistic sounds that let you stand apart.Electro-Harmonix Memory Boy Features:True bypassAll analog delay with FeedbackUp to 550 mS delay timeSelectable Chorus or Vibrato modulation ratesChoose between triangle or square wave modulation waveformsExpression pedal control of delay time or modulation rate (expression pedal extends the range of modulation rate)96DC-200BI power supply included Electro-Harmonix MEMORYBOY MEMORY BOY.