Korg Microkorg repair?

Nobody reads labels It must have happened, I just waited. When I was enjoying playing Bomberman in another part of the city, my girlfriend decided to hit some tunes on my old, trusted Microkorg. When I returned home, she seemed scared. I asked, what happened. She replied, something happened to my synthesizer, it behaves strangely. […]

Modular synth case

One day I decided to move my modular drum synth into bigger case. The main reason was my girlfriend wanted to use my previous Ikea Rast style case as an balcony table. I had no choice.   The plans The design is based on Doepfers A-100 Low Cost 9U case. I made few “improvements” to […]

Modular synth busboards

There is no modular synth without busboards. My design is based on Doepfers A100-BUS. It is simple, cheap easy to make. Same as Doepfer, mine has CV and GATE buses – thus 16 pin power connector. Schematic is very simple, but you have to do it before PCB design. Nothing fancy here, 14 2×8 pin […]

Modular synth power supply

This  article was updated  slightly on 21.05.2018 and includes filtering capacitors change and some output voltage measurements.   Introduction Every modular synth needs a power supply (except systems containing only blanks and Giskies 12 HP Bottle Openers). Switched power supplies sometimes cause problems (when you have a lot of small modules, all with input power […]