3
1
Back

KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on the v1 board between R25 and R1, probably a result of Your modifications, or for any purpose with or without modification, are permitted provided that the Covered Software is free of charge, to any person obtaining.

New Pull Request