Korg
Korg DST-1
Here’s the correct layout for the Korg DST-1 that I previously laid out based on an unverified schematic. It uses an AN360 audio pre-amplifier chip (you can still get some on eBay), but I haven’t found a replacement other than making a discrete version of the chip. A discrete version wouldn’t take up that much … Read more
Korg MS-20 Filter
Switching it up this week and doing a Filter Friday. This one could be used for both synth and guitar/bass. It’s a cool filter effect based around the LM13600/13700.
Korg CMP-1 / Yamaha CO-01 Compressor
Here is a layout for a vintage compressor. Schematic is available on FSB forum here. Couldn’t find any good videos around. It has been drawn to fit any common NPN trarnsistor but if you go for the original mind the pinout!