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Doepfer A-143.9 Eurorack Voltage Controlled Quadrature LFO

Doepfer A-143.9 Eurorack Voltage Controlled Quadrature LFO

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Doepfer A-143-9 Quad LFO

The Doepfer A-143-9 is a quad sine wave LFO module with three operational frequency ranges.


A143-9 is one of the resulting experiments from Doepfer seeking to develop a quadrature VCO. A1439 provides four simultaneous waveform outputs, all of which are based around a sine wave.


0 degrees sine, 90 degrees cosine and inverted 180 degrees sine and an inverted 270 degrees cosine waves are all fed to independent outputs simultaneously.


CV inputs control the frequency of the LFO, with CV1 running freely and CV2 running with an onboard polarizer. 1 v/oct can be used to control the first CV stage which allows this module to be used an experimental sine wave VCO when running at audio rates.


A precision modulation source, which has a niche for creating smooth sine modulation phrases.


The main features of the Doepfer A-143-9 Quad LFO Module include


Sine wave based LFO module


Three operational frequency ranges


Four different sine outputs


8HP wide


Requires 30mA

Short Description

The Doepfer A-143-9 is a quad sine wave LFO module with three operational frequency ranges.

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Manufacturer Doepfer
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