0 - THE CASE & POWER SUPPLY
Surely the first thing to do when you start a modular synthesizer :
- THE CASE :
For Kosmo format: it must be made to accommodate 20 cm high modules.
SCHEMATIC FOR DIY WOOD CASE
- THE POWER SUPPLY :
A modular synthesizer generally works with either ±12V (Kosmo, Eurorack) or ±15V (Moog, Yusynth).
For Kosmo you absolutely need to have a power supply who will give you +12V / Ground / -12V.
A good easy cheap solution is this product from Frequency Central
You need also a wallwart 12V AC/AC (2 or 3 ampere it’s good)
The wallwart 12 V AC go into the power supply and your power supply transforms and regulates to a +12V DC / - 12V DC and Ground to supply several modules.
You can put 2 power supplies with one wallwart in parallel, like this
All information in this video