> Step by step
1. Exploring the Korg MS-20’s insane filters
1 Do you want to hear what may be the nastiest filters ever conceived? Then step right this way! We’ve got our MS-20 instantiated and we’ll click on the Proglist button at the lower-right, click Load Program and select MS-20_Blank.fxp that we’ve made ahead of time – you can grab it in the Tutorial Files folder.
2 If we trigger a few notes, we’ll hear that it’s as bland as milk – just a couple of oscillators and no filtering. Let’s click the Edit button and scroll so that we see oscillators, filters, and envelopes. Set Oscillator 1’ s wave to sawtooth and its Scale to 8'. This will give the filters more to chew on.
3 Now let’s set both filters’ Peaks to max and their Cutoffs to just above 4. If we play, we can hear a gritty, distorted sound. If we go down and set the Lowpass Filter’s EG 2/Ext knob to 7.70, the second Envelope Generator will modulate its Cutoff Frequency for more mayhem. Experiment for sweet – or sick – spots!