As its name suggests, the Erica Synths Black DJ VCF provides sound treatment functionality typically found on DJ decks – it is fully open when the cutoff knob is set to 12:00. When turned counter-clockwise, lowpass filtering is applied and when turned clockwise, highpass filtering is applied. The filter also has a nice-sounding resonance parameter. This module provides hands-on control over the sound during the performance, as well as unconventional timbre modulations that are hard to achieve with conventional state variable filters. The Black DJ VCF is a fully analogue design and consists of two VCFs – highpass and lowpass in series and the filter management is done by complex CV routing.

Technical specifications:

Audio level	10Vptp
CV level	-10V - +10V
Filter slope	24dB/oct
Power consumption	+55mA, -58mA
Module width	10HP
Module depth	35mm