Behringer CM1A: MIDI-to-CV converter for Eurorack

29 Jun 2021 by Robin Vincent |

5,0 / 5,0 | Approximate reading time: 2 Minutes

Behringer CM1A · Source: Behringer

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The CM1A will let you plug in your DAW or a MIDI keyboard and play 2 channels of CV and Gate into your Eurorack.

CM1A

Done in the style of their System 55 modules the CM1A reports to be a high-resolution 16-bit MIDI to CV/Gate converter. It’s a very neat way to get your MIDI controller or DAW sending signals through your modular.

You could generate sequences from your computer or take automation lanes out as modulations, you could make use of the arpeggiator on your keyboard or just play some notes. While we all like feeling grown-up with our DAW-less and MIDI-less approach to Eurorack sometimes it’s really nice to be able to simply play – the CM1A enables you to do that.

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On the front it says CV and “Trig” when in fact it’s a Gate output and so remains open as long as a key is held. The “Trig” wording is just to keep it in line with the look of the System 55 which is a little odd, but you do also have a switch between V-Trig and S-Trig for that system.

There’s a switch on the back to select either monophonic mode or duophonic mode depending on how you want to use those 2-channels of CV/Gate.

Using the Synthtool software when connected to a computer you can adjust the MIDI channels, note ranges and install firmware updates.

The CM1A is a useful and simple utility module that at $99 is well priced. It’s perhaps a little bit basic compared to many similarly priced modules that offer a bit more functionality like a clock out, glide, modulation CV outputs or at the very least a MIDI activity LED. The USB is certainly welcome although that further highlights the need for a separate Clock output to make your DAW the master of your modular. MIDI Thru is helpful and could let you chain up multiple CM1As if you have HP to burn. Anyway, a useful module, and if it matches your System 55 then all the better.