Module A-160-5 is a voltage controlled clock multiplier. The incoming clock signal (socket� Clock In) is multiplied by a factor that depends upon the control voltage on socket� CV In� (0...+5V) and the position of the� Mode� switch. The multiplied clock signal is available at the socket� Clock Out. According to the position of the Mode switch different clock multiplying factors are assigned to the control voltage. With 0V CV no clock output is generated. This state is indicated by "all LEDs off". With increasing CV integer factors (left position of the mode switch), power of two factors (middle position) or a mix of both (right position) are obtained. Nine LEDs are used to show the currently selected multiplying factor. In addition two LEDs are used to display the incoming and outgoing clock signal.

A manual control is used to adjust the clock multiplication factor manually without the need of an external control voltage. The voltage generated by this control ("Manual") is normalled to the CV In socket. As long as no plug is inserted into the CV In socket the clock multiplication factor is adjusted by means of the manual control knob and displayed by the LEDs. For dynamic applications (like the ratcheting function described below) the manually generated CV is overwritten by the external CV which has to be fed into the CV In socket.

The module can be used for all kind of clock multiplying applications. One important example is the generation of so-called� ratcheting sequences. The band Tangerine Dream is famous for this kind of sequences. A normal sequencer generates only one gate signal per step. A ratcheting sequence may have also more than one gate pulses per step. This function can be obtained by using the A-160-5: one CV output of the sequencer is used to define the number of gate pulses per step. If the control of the step in question is fully CCW the generated CV is 0V and no gate signal is generated (mute of the step). When the control of the step in question is turned clockwise one, two or more gate pulses are generated depending upon the position of the mode switch and the voltage generated by the CV at this step.

Product Specs

Condition
Brand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.learn more
Brand Doepfer
Model A-160-5V Clock Multiplier / Ratcheting Controller Vintage Edition
Finish Multi
Categories Modular Synths, Eurorack

Perfect Circuit is the best source for hard to find electronic musical instruments. Prices can be a little high, but still reasonable. My only complaint is when Federal Express is used for shipping, they have a lot of trouble finding my house as I live in a very rural area. This caused a lot of confusion on their end, and my order was delayed by four business days.

George S. - February 28, 2020

Richard M. - February 27, 2020

Great Job

Greg F. - February 27, 2020

Henry M. - February 27, 2020

Awesome module! Can’t beat free shipping!

Juan S. - February 27, 2020

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Doepfer A-160-5V Clock Multiplier / Ratcheting Controller Vintage Edition
$136
+ Free Shipping