Category: Eurorack

Synthrotek Eurorack Nandamonium MK2 Build

Synthrotek Nandamonium MK2 Euroack Module - DIY Build

For our most recent build, we take on the 2019 Synthrotek Eurorack Nandamonium MK2. It is described as a module with low pulsing drones enhanced by high-pitched laser sounds and dive bombs. It contains 6 square oscillators with a delay. Originally released as a desktop synth, Synthrotek has brought the Nandamonium back in 2019 and made it available to Eurorack owners worldwide. It is available preassembled, as a DIY Kit or a Panel/PCB combo.

At a whopping 38HP, this dual 4093 NAND synth is a beast and the sounds that you can get out of it will bring a unique and edgy sound to your modular rack. Desktop synth users, don’t fret.  Synthrotek has you covered.  They also produce a desktop module, complete in 3 forms (Assembled, DIY Kit and Panel/PCB combo) Let’s get onto the build …

Nandamonium - Completed Module
The Synthrotek Nandamonium MK2 - 2019 Eurorack Module - 6 drone oscillating madness!

Nonlinear Circuits Bong0 Module – DIY Build

NLC Bong0 Module - DIY Build

As our summer kicks off,  we take on a new build … the Nonlinear Circuits Bong0 Module.  We decided to take a break from the hole-through components and try out our soldering skills with SMD components. Surface Mount Devices or SMD are different from your basic hole-through builds in that the components are mounted as stated … on the surface of the PCB board.  The actual terminology for this is known as SMT or Surface Mount Technology.  

So what’s the big difference between hole-through vs surface mount components?  Usually the size of the component.  SMD components are small… some of them are VERY small. One’s choices in tool selection is also different as well.  You can use solder paste and hot air guns or you can use small gauge solder and your trusty iron if you choose to.  For the NLC Bong0, we chose small gauge solder and good ol iron sides. 

Ok … enough of the technical jargon, let’s get onto the NLC Bong0 and the build/review itself!


Synthrotek TURN Eurorack Module DIY Build

Synthrotek TURN - Power Management Module DIY Build

Synthrotek TURN - Instagram photoAre you having power issues with your Eurorack system?  Do you ever experience flashing lights of doom when you power on your system? The Synthrotek TURN might have you covered!

Let’s face it … rack systems draw and use a lot of power. Whether this be on start up or whether it be through a sustained time period (during recording, tinkering, performing, etc). Much like the Windows screen of death or the Mac spinning rainbow wheel; rapid blinking lights or no lights upon startup of a rack system can be VERY stressful. This is something that we can all face from time to time and trying to find the source of the issue can be a real task. Things like flipped power cables, bad solder joints and overloaded power rails can all be culprits. With all of these potential issues causing power draws, the gang out at Synthrotek have come up with a solution to tackle power management upon startup. Introducing the Synthrotek TURN.


4MS Atoner Eurorack Module DIY Build

4MS Atoner Eurorack Module - DIY Build

For our latest eurorack build, we take on the mystical Atoner by 4MS Company. This little beast is only available as a kit that can either be ordered from 4MS directly or through other DIY module shops. We picked up ours from the gang out at SynthCube and dove right into the build.

As for the build itself, it was relatively straight forward thanks to the extensive BOM and assembly guide that were provided with the 4MS Atoner kit. Where the build can wonder into the intermediate build category is with the tight ground wiring and navigation of confined spaces (see photos). With that being said, make sure your iron is clean and primed correctly as you don’t want to go into this build with a dirty iron or a dull tip. As for aesthetics, we loved the graphic design on the panel but didn’t care for the knobs that were supplied with the kit. They looked like generic cheap knock off Davies clones, so we chose our own orange Davies Clones to give our 4MS Atoner a little more flavor.


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