ADDAC 501 Complex Random, Eurorack Module, 4-Channel random generator, Adjustable minimum / maximum values for voltage and time, CV inputs for all parameters, Chromatic quantisation switchable, Normal or Brownian random distribution for voltage and time can be selected, Switchable input for external clock, Expandable with ADDAC 501B expander (article 505630), Power requirement: 120mA (+ 12V) / 20mA (-12V), Width: 8 HP, Depth: 50mm