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Doepfer Musikelektonik logo

Analogue  Modular  System  A-100

Width

HP

Depth

mm

Current

mA

Lighning Flash

Owners Manual

Analogue Trigger/Sequencer

A-155

50

40

10HP

100

10HP

A-155  

Doepfer A-155

The A-155 is a dual 8 step analogue sequencer with 4 trigger/gate tracks in 2 rows.


The sequencer has 8 CV controls with octave range switching (1V/2V/4V), adjustable glide time (portamento slew limiter), S&H control.


There are pre and post glide/S&H outputs.


There are 8 external inputs for the 8 steps for control signals or audio, the controls of the lower row then act as attenuators.


The trigger rows have 3 position toggle switches which can be used to send a trigger/gate to the track above, below or none.


The 3 trigger rows supply a short pulse for each step set, the pulse width corresponds to the pulse width of the clock/step input signal, whilst the fourth row is for gate.


The A-154 module offers more functionality and expandability for the A-155.