Moritz Klein Courses

Designing a Simple Analog Kick Drum from Scratch

Learn to design and build a simple analog kick drum circuit, covering oscillators, envelopes, and modulation techniques for creating punchy, customizable bass drum sounds in modular synthesizers.

• YouTube
• 39 minutes
• On-Demand
• Free Video

Turning My Diode Ladder Filter Into a Eurorack Module

Detaillierte Anleitung zur Erweiterung eines Dioden-Ladder-Filters um Hochpass- und Bandpass-Modi sowie Verbesserungen für ein Eurorack-Modul. Enthält Schaltungssimulation, Bauanleitung und Verlosung.

• YouTube
• 35 minutes
• On-Demand
• Free Video

Complete Beginner's Guide to Using a Breadboard

Comprehensive guide to breadboard basics: identifying components, understanding internals, reading schematics, and building simple circuits. Hands-on approach with practical examples for beginners.

• YouTube
• 21 minutes
• On-Demand
• Free Video

Designing a Diode Ladder Filter from Scratch

Learn to design a diode ladder voltage-controlled filter from scratch, covering circuit theory, component selection, and practical implementation for advanced audio synthesis enthusiasts.

• YouTube
• 36 minutes
• On-Demand
• Free Video

DIY Synth VCF - Resonant High-Pass & Vactrol-Based Voltage Control

Explore DIY synth VCF creation, focusing on resonant high-pass filters and vactrol-based voltage control. Learn circuit design, component assembly, and practical techniques for building custom synthesizer modules.

• YouTube
• 29 minutes
• On-Demand
• Free Video

DIY Synth VCF - Active Filters & Resonance

Learn to build an analog VCF from scratch, exploring active filters, resonance, and advanced synth concepts. Hands-on tutorial covers circuit analysis, feedback control, and practical implementation.

• YouTube
• 28 minutes
• On-Demand
• Free Video

DIY Synth VCF - Analog Filtering Basics

Learn to build analog VCF filters from scratch, covering passive first- and second-order high & low pass filters. Gain hands-on experience and understand component functions in this beginner-friendly tutorial.

• YouTube
• 22 minutes
• On-Demand
• Free Video

DIY Synth PSU - How to Design a Simple Dual Power Supply

Learn to design a dual power supply for DIY synthesizers. Covers AC/DC conversion, rectification, filtering, voltage regulation, and practical assembly steps for a reliable synth power source.

• YouTube
• 26 minutes
• On-Demand
• Free Video

DIY VCO - Shaping Sawtooth to Square

Learn to build an analog VCO from scratch, adding stability, fine-tuning, and variable pulse width output. Covers thermistors, op-amps, waveshaping, and achieving modular-conform volume levels.

• YouTube
• 27 minutes
• On-Demand
• Free Video

DIY VCO - The Simplest Exponential Converter

Learn to build a DIY voltage-controlled oscillator with exponential converter. Covers transistors, potentiometers, and voltage addition for creating the foundation of an analog synthesizer.

• YouTube
• 23 minutes
• On-Demand
• Free Video

DIY VCO - The Analog Oscillator Core Anyone Can Build

Learn to build an analog oscillator core for synthesizers using basic components. Covers electricity basics, buffers, voltage concepts, and hands-on construction for DIY enthusiasts and audio hobbyists.

• YouTube
• 27 minutes
• On-Demand
• Free Video

Designing a Simple Audio Compressor from Scratch

Learn to design and build a simple audio compressor circuit from scratch, covering key components like diode VCA, peak detector, and voltage subtractor. Gain hands-on experience in DIY audio electronics.

• YouTube
• 29 minutes
• On-Demand
• Free Video

Designing a Double Wavefolder From Scratch

Learn to design and build a harsh, metallic-sounding double wavefolder from scratch. Explore wavefolding concepts, transistor saturation, and various folder configurations while creating your own DIY audio circuit.

• YouTube
• 22 minutes
• On-Demand
• Free Video

Designing a Simple 5-Step Sequencer From Scratch

Learn to build a simple 5-step DIY sequencer using a 4017 decade counter. Covers circuit design, CV and gate outputs, and LED indicators. Perfect for synth enthusiasts and electronics hobbyists.

• YouTube
• 32 minutes
• On-Demand
• Free Video

Designing a Sample and Hold Circuit from Scratch

Learn to design a JFET-based sample & hold circuit from scratch. Explore JFET basics, accurate sampling techniques, and troubleshooting. Includes hands-on component list and circuit simulations.

• YouTube
• 31 minutes
• On-Demand
• Free Video