Modular synthesizer enthusiasts looking for a flexible multimode filter will be impressed with the erica synths Black Multimode VCF, a highly stable custom multimode VCF (AS3320 chip produced in Riga, Latvia) with simultaneous high-pass, band-pass, and low-pass outputs. This Eurorack module includes a adjustable germanium diode overdrive circuit on the VCF input. The module includes a power ribbon cable and a set of mounting screws.