3
1
Back

VCF Kassutronic's 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 either internal or external clock sources cycle between 0v and 5v max // gate out // CV out // round shaft hole cylinder(r=shaft_radius,h=shaft_height, $fn=shaft_smoothness); if(shaft_is_flatted == true } } // Softer World (alt tags), Dinosaur Comics (alt.

New Pull Request