MATRIXSYNTH: Passive VCF


Tuesday, November 18, 2014

Passive VCF


Published on Nov 18, 2014 otherunicorn

"This VCF is 100% passive. It is of the classic LC configuration. A switch allows it to be changed between high pass and low pass modes. Tuning is done by either putting a resistance across a second winding on L, or by putting a tiny current through it. Needless to say, this introduces distortion, and is somewhat limited in the attainable range. A negative CV will cause different distortion/thus tone to a positive one.
VCO and LFO being used with this are both part of a Roland 100M"

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