Classic wobbly very resonant filter!

This filter is based on the classic 2600 from the seventies and uses the LM3900 Norton opamp chip.
It has an audio inputs, two CV ins and an audio out.
You can control audio input level, CV levels, frequency cutoff and resonance.
It has a beautiful sound and it can go from relatively clean to dirty and screamy depending on audio signal level and resonance.

https://feedbackmodules.com/products/vcf2600