via Million Machine March
![](https://2.bp.blogspot.com/-4MHrHf51K8M/XLjf4lp66LI/AAAAAAAMUr8/Kko_9FkXLkcNmN7Aw73ov-SWhoMfOLxwgCLcBGAs/s640/OCII2.jpg)
Now that the VCO’s were sorted and I was able to purchase the DIY PCB’s, I needed to choose a wavefolder design. I like what Yusynth did with Haible’s wavefolder and went with his design here.
The YuSynth design required me to make my own PCB’s. This can be a laborious process if you have not done it before. But I have the process down to a science here in the lab, so I was able to get these made pretty quickly. Taste the Sodium Persulfate in the air, aahhhhh!...
The inspiration for this build and using these particular chips is to try and satisfy my want for a Oberheim OB-Xa! Hopefully Behringer will be able to produce an affordable clone soon, but in the meantime…"
Read the full post on Million Machine March here.