The A-156 is a dual quantizer, Channel 1 is a chromatic quantizer primarily designed to compliment an analogue sequencer (such as the A-155) and channel 2 adds more advanced options including Chromatic, Major and Minor scales plus Scale, Chord and Quint modes that allow further quantization patterns.
These modes allow the A-156 to be used as a stand alone arpeggiator providing many arpeggio variations. Each time an input voltage is quantised, a trigger pulse is produced allowing powerful control of the patch especially when used in conjunction with the A-151 Sequential switch. An overall CV input controls transposition of both the quantizers.
