MATRIXSYNTH: Happy Nerding 3x VCA 2/2: Modulation Depth, Tremolo, & Auto-Pan

Sunday, March 24, 2019

Happy Nerding 3x VCA 2/2: Modulation Depth, Tremolo, & Auto-Pan

Published on Mar 24, 2019 Learning Modular

"This second of two movies on the Happy Nerding 3x VCA. It focuses on using VCAs to control modulation depth, including filter wah, FM, tremolo, and auto-panning. The 3x VCA’s bipolar attenuators and offset controls (as well as internal mixing) makes it easier to patch these applications without the need for external CV utility mixers. The video breaks down like this:

0:00 intro
0:12 controlling modulation depth
2:25 patching tremolo
4:33 stereo tremolo/autopanning
6:58 summary

For more details about using the 3x VCA (as well as other modules I’ve made videos for), I encourage you to join the Learning Modular Patreon Tribe: For more on the Learning Modular Synthesis Eurorack Expansion Project for those exploring what module to add to their system next, visit"

Part 1 here.

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