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Doepfer A-140 Eurorack ADSR Envelope Generator Module

Doepfer A-140 Eurorack ADSR Envelope Generator Module

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Doepfer A-140 Envelope Generator

The Doepfer A-140 is an ADSR style Envelope Generator that includes three operating ranges.


Envelope generators are a key modulation source in any modular synthesizer system. They're output is usually used to control pitch, filter response and amplifier characteristics , but they can be used to control pretty much any mod destination in the modular format.


A-140 is an ADSR style envelope which means it provides Attack, Decay, Sustain and Release stages for the outgoing control voltages.


The basic principles of an EG work as such; you engage the envelope with a ping (this can be a gate, trigger or other pulses). The EG then outputs a control voltage signal based on the ADSR settings and send this to the output. Simply ping in, CV out.


A140 includes three operational range for different envelope responses: high, medium and low provide different attack and release stages depending on how the controls are set. If you're looking for tight snappy envelopes, run A140 is low mode for a faster response. If you're after slow evolving releases then set the A140 to high mode for the longest possible releases.


The main features of the Doepfer A-140 Eurorack Envelope Generator Module include


ADSR style envelope generator


Use to control pitch, filters, amplifiers and much more


Three operation ranges


8HP wide


Requires 20mA 

Short Description

The Doepfer A-140 is an ADSR style Envelope Generator that includes three operating ranges.

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Manufacturer Doepfer
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