Ritual Electronics is a SDIY project, focused on modular & semi modular synthesizers mainly using the 4000 series logic ICs. Here is Numéro 0, it includes 4 oscillators, that can be synced together. Two XOR. A piezo microphone in the case. A divider. Two VCAs with adjustable decay. A 4 channel mixer.
The synthesizer was custom made for French artist Olaf Hund.