VCO

Doboz VCO340 Build

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I built a pair of Doboz VCO340 VCOs. These are based around the CEM3340 chip, which was used in Yamaha DX7, Prophet and other famous synths from the 80s. Here are my notes for the build for anyone interested in building these VCOs for themselves. The project comes as two PCBs and an aluminum front … Read more

Doboz VCO340

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The Doboz VCO340 is a DIY VCO built around the CEM3340. This is a VCO on a chip that was used in many famous synthesizers back in the 80s. Here’s what the Electric Druid has to say: The 3340 is the oscillator chip found in many of the famous polysynths of the analog era; the … Read more