ECE4450 L26: Sallen-Key Filters & the Korg MS-20 VCF (Analog Circuits for Music Synthesis) - YouTube
Building the Korg MS20 Filter - DIY STUFF - Look Mum No Computer Thingies
A Study of the Korg MS10 & MS20 Filters
Modifying MS20 filter for 5v/3.3v CVs - MOD WIGGLER
comparator - Frequency to voltage circuit with LM339 in KORG MS-20 synthesizer - Electrical Engineering Stack Exchange
STUFF - LOOK MUM NO COMPUTER
Tim Stinchcombe - Korg MS-10 & MS-20 Filters
Need help testing a breadboard MS-20 filter. - MOD WIGGLER
MS20 Synth by Korg
Kassutronics: KS-20 Filter
MS-20 LM13700 Filter by Look Mum no computer / Rene Schmitz - EasyEDA open source hardware lab
AUDIODiWHY : Korg MS20 Filter--the Why in AudioDIWHY.....
Dirtbox Layouts: Korg MS-20 Filter 9v
Eddy Bergman.com: Synthesizer Build part-12: THE KORG MS20 FILTER.
AI004 OTA Voltage Controlled Filter - AI Synthesis
electro-music.com :: View topic - MS20 filter clone - help needed
Korg MS-20 CV, PWM & Filter Mods - cykong.com
Synth schematics--::-- MS 20 Filter
Korg MS-20 filter pedal I've just made! : r/diypedals
MS-20 Voltage Controlled Filter for Cheap : 53 Steps - Instructables
Kassutronics: KS-20 Filter
Charlie's VCF page
Arturia - Filter MS-20 - Filter MS-20
Building the Korg MS20 Filter - DIY STUFF - Look Mum No Computer Thingies
DIY MS20 filter clone (update: links to schematics/pcb work again) - YouTube
