MATRIXSYNTH: Voltage Modular VM900 Ratcheting

Saturday, October 16, 2021

Voltage Modular VM900 Ratcheting

video upload by boxoftextures

"Well, been playing almost nonstop in Voltage Modular with the VM900 module collection, basically a pile of Moog-style modules from Cherry Audio. So what does one do with a Moog modular? For my part I'd head straight for the 960 sequencer. And what does one do once you've gotten that working? Well, ratcheting is the next step, of course. Voltage Modular does have a number of ratcheting modules, and the clocks to drive them, but I wanted to do it analog-style, not any of this new-fangled modern digital stuff (ignoring for the moment that this is all in computer software, of course). Was pretty satisfying to get it working. To be totally transparent the ratcheting aspect of the patch was not my original design. Many years ago Roger Arrick of did a demo video of his Q960 sequencer module and how to use the 962 switch and an oscillator to make the ratcheting pulses. That video has been in the back of my mind for years, and in my bookmarks, but I don't quite have the Euro hardware for it and there hasn't really been a 960-style sequencer in Voltage Modular. Until now, that is.

So I took Arrick's basic concept, which is pretty ingenious, and adapted it to the slightly different modules in Voltage Modular. Turns out doing ratcheting in the analog realm is a lot more work than using a digital ratcheting module. Surprise! Was incredibly happy to get it working.

In this setup I'm using Row A of the sequencer for the notes and Row B for voltages used to generate the extra triggers. And it's great fun to play with the knobs and change the number of ratchets and which notes in the sequence get them. However, that's a lot of manual labor, and I wanted to take it a step further and make the ratchets happen on their own at random steps. That is not in this video, alas, but fear not, I've been able to patch it up and that's what the next, more in-depth video will be about. Still done entirely in the analog module realm though, for authenticity's sake."


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