Pro VCF Eurorack Filter First Look [Demo #1]

Audio and Video by G-Storm Electro c. 2019 The Pro VCF is a faithful adaptation of a well-known 4-pole synthesizer filter in Eurorack. The core of this design lies an Alfa AS3320 filter chip based on the original Curtis. Let’s put the Pro VCF through some paces. Timestamps 0:00 Opening 0:23 Intro 1:01 Audio 0:19 Features 1:49 Audio 2:04 Input: analog PWM, Saw (Pittsburgh Synth Box) 2:43 Input: Digital Wavetable (E352) (PPG anyone?) 3:22 FM of Cutoff More info at