MATRIXSYNTH: Erica Dtech VCF: Exploring Instability (LMS: Eurorack Expansion Preview)

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Saturday, June 03, 2017

Erica Dtech VCF: Exploring Instability (LMS: Eurorack Expansion Preview)


Published on Jun 3, 2017 Learning Modular

"The filter in the classic Russian Polivoks synthesizer is prized for its distortion and occasionally out-of-control resonance. The Eurorack-format Erica Dtech VCF is my personal favorite implementation of the Polivoks filter, including lots of controls, different cutoff curves and resonance responses, as well as a switch between low pass and bandpass operation.

In this movie I explore how to put the filter in and out of instability by manipulating the input level and resonance amount, including using the unusual 'CV Address' control. I spend most of the time in low pass mode, but also explore bandpass toward the end. For more on using the Dtech VCF, see the companion article on the LearningModular.com website: http://learningmodular.com/erica-dtec...

This movie is second of two on the Erica Dtech VCF module from my online course, 'Learning Modular Synthesis: Eurorack Expansion' (available July 2017). For more details including the list of movies and an overview of the course, visit: http://learningmodular.com/lms-eurora..."

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