
Doepfer - A-154V: Enhanced Sequential Controller
Manufacturer Description:Vintage edition with black faceplate and custom knobs.The A-154 is an additional module for Doepfer's sequencer A-155 expanding it by a number of very interesting functions like CV selectable new modes of operation, e.g. one-shot and voltage controlled step addressing. A VC clock generator with variable pulse width is included as well. It's even possible to connect and control two A-155s either in parallel or in series for creating a 16-step sequencer.DetailsAll parameters of the A-154 equipped with potentiometers also feature CV inputs with attenuators.MODE sets the operation mode of the sequencer: forward, backward, pendulum, rando or with step addressing (CV Ctr.). All this either as a repetitive sequence or as a one shot.In the CV Ctr. mode it's possible to set the first and least step of the sequence with the FIRST and LAST potentiometers and thus to address the steps individually. Voltage control makes it possible, for instance to create a short 3-step se