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Getting Started with Synth DIY

Starting out with Eurorack synthesizers can feel overwhelming — there’s a lot to learn. And if you’re diving into DIY kits, there’s even more to consider. To help you find your way through the essentials, we’ve gathered the most important things you need to know, from the basic tools for assembling synth DIY kits to the core electronic concepts that will help you better understand your modules and machines.

DIY Start

for building synth DIY kits there are only a hand full of tools, you will need. 

1. Soldering Iron
The first skill to master is soldering — and for that, you’ll need a reliable soldering iron and some solder wire. Precision and cleanliness are key to achieving solid, long-lasting joints.
2. Pliers
Pliers are essential for cutting component leads and come in handy for many small assembly tasks. A good pair will make your workflow faster and more comfortable.
3. Multimeter
While not strictly necessary for basic assembly, a multimeter becomes indispensable when it comes to calibration, testing, and troubleshooting. It helps you quickly identify build errors and verify correct voltage levels.
4. De-soldering
If you soldered a wrong component to your PCB or you splilled some solder in wrong empty hole. You should use a De-soldering pump or a De-soldering braid, depending on your specific need.
5. Tip Cleaner
A solder tip cleaner helps keep your soldering tip in good condition, so it lasts longer and produces cleaner solder joints.
6. Screwdriver
For DIY work, you often need various small screwdrivers. Keep a compact set of different sizes handy for every task.

Eurorack Start

There are two main ways to start your journey into modular synthesis:

using a semi-modular synth, or

building a Eurorack system from scratch.

Semi-modular synths are plug-and-play — no case or power supply required — making them an easy entry point.

If you prefer full flexibility, you can start right away with a Eurorack case, which lets you choose from the full range of available modules. Just remember: you’ll need a case with a bipolar power supply.

1. Case & Power
From compact travel rigs to full studio systems, there’s a wide range of Eurorack cases on the market. A great and affordable entry option is the 4ms Pod series — small, portable cases that help you stay focused on a few essential modules. If you want something more tailored to your setup, building your own case is an excellent DIY project that lets you define the size, layout, and aesthetics to your liking.
2. Cables
Cables are the core of modular synthesizers. Eurorack uses standard 3.5 mm mono patch cables and you’ll need plenty of them in multiple sizes. It’s also handy to keep a few 6.3 mm adapter cables on hand so you can connect your modular synth to other instruments, mixers, or audio interfaces.
3. First Modules
If you’ve never built a module before, start simple. Passive modules like attenuators or multiples are perfect for beginners: they’re easy to build, inexpensive, and incredibly useful in almost every patch. Once you gain confidence, you can move on to more complex projects like oscillators, filters, or envelope generators.

Final Thoughts

Building and playing Eurorack synthesizers is one of the most rewarding ways to explore sound. Start small, learn the basics, and don’t be afraid to make mistakes — that’s part of the fun. Once you hear the first tones coming from something you’ve built yourself, you’ll understand why the world of modular synthesis is so addictive.

Skip product gallery
4ms - POD64X

only 1 left

€208.25*
Feedback Modules - Multi

available

€15.00*
LeafAudio - ATT (1U)

only 2 left

€17.85*
Erica Synths - EDU DIY Labor

only 1 left

€237.00*
AI Synthesis - OTA Voltage Controlled Filter

only 2 left

€99.00*
Black Noise Modular - SAM-C

available

€22.90*
Erica Synths - EDU DIY VCO

available

€73.50*
Manual Area

These guides are part of our effort to share practical knowledge about DIY synth building, tools, and Eurorack standards. We want them to be as clear and useful as possible, and we know there’s always room for improvement.

Your feedback matters

If you spot an error, think something could be explained better, or want to share your own DIY tips, please let us know. You can reach us at shop@exploding-shed.com or through our contact page .

Getting Started with Synth DIY

Starting out with Eurorack synthesizers can feel overwhelming — there’s a lot to learn. And if you’re diving into DIY kits, there’s even more to consider. To help you find your way through the essentials, we’ve gathered the most important things you need to know, from the basic tools for assembling synth DIY kits to the core electronic concepts that will help you better understand your modules and machines.

DIY Start

for building synth DIY kits there are only a hand full of tools, you will need. 

1. Soldering Iron
The first skill to master is soldering — and for that, you’ll need a reliable soldering iron and some solder wire. Precision and cleanliness are key to achieving solid, long-lasting joints.
2. Pliers
Pliers are essential for cutting component leads and come in handy for many small assembly tasks. A good pair will make your workflow faster and more comfortable.
3. Multimeter
While not strictly necessary for basic assembly, a multimeter becomes indispensable when it comes to calibration, testing, and troubleshooting. It helps you quickly identify build errors and verify correct voltage levels.
4. De-soldering
If you soldered a wrong component to your PCB or you splilled some solder in wrong empty hole. You should use a De-soldering pump or a De-soldering braid, depending on your specific need.
5. Tip Cleaner
A solder tip cleaner helps keep your soldering tip in good condition, so it lasts longer and produces cleaner solder joints.
6. Screwdriver
For DIY work, you often need various small screwdrivers. Keep a compact set of different sizes handy for every task.

Eurorack Start

There are two main ways to start your journey into modular synthesis:

using a semi-modular synth, or

building a Eurorack system from scratch.

Semi-modular synths are plug-and-play — no case or power supply required — making them an easy entry point.

If you prefer full flexibility, you can start right away with a Eurorack case, which lets you choose from the full range of available modules. Just remember: you’ll need a case with a bipolar power supply.

1. Case & Power
From compact travel rigs to full studio systems, there’s a wide range of Eurorack cases on the market. A great and affordable entry option is the 4ms Pod series — small, portable cases that help you stay focused on a few essential modules. If you want something more tailored to your setup, building your own case is an excellent DIY project that lets you define the size, layout, and aesthetics to your liking.
2. Cables
Cables are the core of modular synthesizers. Eurorack uses standard 3.5 mm mono patch cables and you’ll need plenty of them in multiple sizes. It’s also handy to keep a few 6.3 mm adapter cables on hand so you can connect your modular synth to other instruments, mixers, or audio interfaces.
3. First Modules
If you’ve never built a module before, start simple. Passive modules like attenuators or multiples are perfect for beginners: they’re easy to build, inexpensive, and incredibly useful in almost every patch. Once you gain confidence, you can move on to more complex projects like oscillators, filters, or envelope generators.

Final Thoughts

Building and playing Eurorack synthesizers is one of the most rewarding ways to explore sound. Start small, learn the basics, and don’t be afraid to make mistakes — that’s part of the fun. Once you hear the first tones coming from something you’ve built yourself, you’ll understand why the world of modular synthesis is so addictive.

Skip product gallery
4ms - POD64X

only 1 left

€208.25*
Feedback Modules - Multi

available

€15.00*
LeafAudio - ATT (1U)

only 2 left

€17.85*
Erica Synths - EDU DIY Labor

only 1 left

€237.00*
AI Synthesis - OTA Voltage Controlled Filter

only 2 left

€99.00*
Black Noise Modular - SAM-C

available

€22.90*
Erica Synths - EDU DIY VCO

available

€73.50*
Manual Area

These guides are part of our effort to share practical knowledge about DIY synth building, tools, and Eurorack standards. We want them to be as clear and useful as possible, and we know there’s always room for improvement.

Your feedback matters

If you spot an error, think something could be explained better, or want to share your own DIY tips, please let us know. You can reach us at shop@exploding-shed.com or through our contact page .