Available as an assembled Module and as a DIY project.
This Module is currently available.
Dual Analog Multimode Filter
Dual analog 12dB/Oct filters that can be set to stereo or crossfading configurations.
Input B normalled to Input A.
Mode knob allows for continuous variation from low pass to notch to high pass.
Individual Cutoff and Resonance CV inputs for each side with attenuators.
Individual Cutoff and Resonance knobs for each side.
Shared Cutoff and Resonance CV inputs with attenuverters.
Shared Cutoff knob with two modes, parallel motion or crossfade motion. The cutoff mode switch also affects the shared cutoff CV input.
Resonance can reach self oscillation.
Mixed Output and B-A comparator output.
Now available new on Reverb:
https://reverb.com/item/81407552-ground-grown-circuits-angelo-filter-2024