MATRIXSYNTH: DIY Analog-Hybrid Synthesizer with Rene Schmitz Vakuum-Tube VCF


Saturday, February 08, 2025

DIY Analog-Hybrid Synthesizer with Rene Schmitz Vakuum-Tube VCF


video upload by Andreas Remshagen

"At first I wanted to build a complete vacuum tube synthesizer but I had problems with the vacuum tube VCO and the correct intonation over several octaves. That's why I decided to build two AS3360 chip VCOs and run them through a vacuum tube mixer. I used Rene Schmitz's vacuum tube filter as the VCF. ADSR, VCA and ring modulator run on AS chips. The envelope curve display is done via a Toyo 6E5 Magic Eye"

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