Intro to Modular Synthesis workshop

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Scheduled for 2020-07-30, 14:00–15:30 EDT

Hello! I'm Jonathan Foote. You can call me Jon, and I'm @rrmutt in the Matrix Chat and on Twitter. If you care, my web site is

Before the workshop starts, please download VCV Rack from here:

Please make sure you can run it and are hearing sound output (press the "Z" key to trigger a note). You may need to click on the "AUDIO-8" module and select your sound output.

You may want to use headphones for this workshop, especially if you like bass!


0. Introduction and low expectations :)

Part I:

1. Basics of voltage control and patching

2. Voltage Controlled Oscillator (VCO) + LFO

3. LFO -- Rave Hoover

4. Voltage Controlled Filter (VCF)

5. Envelope Generator ADSR

6. Gate and trigger signals

7. Mixer and Voltage Controlled Amplifier (VCA)

-- break --

Part II

1. Noise sources

2. Drum sounds 1: Kraftwerk noise snare

3. Drum sounds 2: Syndrum / 808 kick

4. Sequencers: clocks and triggers

5. Drum Machine

Next Steps: I encourage you to go to and make a (free) account and check out the huge number of other modules available (many free, some paid). Here's the kind of things you can do with them:


A video of the workshop is available on the 2600 YouTube channel: