MATRIXSYNTH: MFOS Dual State Variable Filter


Tuesday, February 19, 2008

MFOS Dual State Variable Filter


YouTube via djthomaswhite
"This is my customized design based on the Ray Wilson Music From Outer Space State Variable (Multimode) Filter. This combines two separate filters in one panel, normalized together with the addition of a reversing attenuator for some modular fun. I call this the "Multimode Frequency Modulator". The video showcases the sound with a highpass of filter section A into a lowpass on filter section B. The normalization can be broken so this can operate as two separate filters in one panel. Both sections together can have a response of 24db Like a Moog or Sequential Circuits filter. Interesting combinations can be found by combining various settings (freq/resonance/mode) on each of the two 12db filter sections. This fits into any format... but that is up to you. The pcb is what you order from MFOS and then you have to source the other parts. Luckily the parts are ALL easy to come by. Thanks goes out to Ray Wilson for making such a cool pcb project available to the DIY community!"

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