There is one in the MS10 configured as low pass and the MS adds a second Korg 35 for it's high pass function Thus was born the distinctive and quite aggressive Korg filter sound The Korg 35 is a form of Sallen Key filter that uses clever transistor biasing to enable the filter to become voltage controllableIt is possible that the schematic is buggy but couldn't spot any errors I think I will compare it to other schematics if I can find any Not sure if the LEDs should light up since they are part of the voltage reference networkKS Filter MS style voltagecontrolled filter Availability In Stock Description This MS style filter makes great basslines, with both strong bottom end which is not reduced at high resonance, and gnarly sound due to a nonlinear resonance path The Korg MS synthesizer had two filters in series, one highpass and one lowpass
Korg 35 Clone Ms Hp Lp Vcf 1 Of 2 Ms Filters Diy Modular In A Week 7 3 Youtube
