Category: Media

Error Instruments TOMO (Ketchup) – DIY Build

Error Instruments TOMO Eurorack Module - DIY Build

When it comes to unique modules in the Eurorack world, a few names come to mind. One being Error Instruments located in the Netherlands. The owner, Paul Tas is like a mad scientist when it comes to his creations and the new Error Instruments TOMO is no exception.

The TOMO is a new 12HP touch interface CV/gate controller for eurorack synthesizers. Originally released as a stand alone module, the “Ketchup” version of TOMO finds its way into DIYers hearts. We picked one up immediately after hearing of its release. 

So whats with the TOMO names?​

Ketchup, Toxic, Blanks, TOMO … these are all different names for the versions or panel colors of TOMOs. The Ketchup is the only DIY version and basically matches the color of our favorite dipping sauce. This is the kit we assembled for this review and build video. TOMO Toxic is a yellowish green color and TOMO blanks is a white version of the glitchy touch controller. 

The original TOMO panel comes in a black and is still readily available if you are interested. They are all available over at Pauls ETSY shop.

Enough with all the filler, let’s get onto the build!


DivKid Mutes – DIY Build

DivKid Mutes by Befaco - Eurorack Modular Build

DivKid Logo

Have you ever wanted to just insert a quick break or turn off a certain portion of your composition and yet keep the track rolling?  If so, you need to pick up a DivKid Mutes by Befaco for your Eurorack system.

Comprised of four I/O channels and four accommodating 3-way switches, the Mutes goes beyond basic muting. For our final build of September, we take on the DivKid Mutes, and get to learn a little more about what this little 4HP module is capable of. 

A Brief History of Mutes

Anyone who dabbles in the modular world is well aware of a company called Befaco.  They are known for producing top quality modules like the KICKALL, Rampage and Chopping Kinky (just to name a few). Their modules have become a staple to any rack over the past few years. 

Additionally, there is a gentleman by the name of Ben who lives in England and goes by the name DivKid.  He is always in the modular know and is constantly previewing and reviewing new modules over on his YouTube page/webpage. His videos are hands down some of the reasons we pick up some of the modules that we have in our cases. Long story short, these two amazing teams partnered up to create the Mutes. 


Rat King Modular TONE – DIY Build

Rat King Modular TONE - Eurorack Modular Build

Tone DIY Kit

For our first build of September, we were honored to receive one of the first Rat King Modular TONE kits from our friends over at Synthrotek

A relative newcomer to the Eurorack Modular scene, the Rat King is quickly proving to be a master of modular synths. Being the third module in the series, we have to say that the TONE module pairs well with its brethren kin; the EVENT and the Random SEQ

So, what makes the Rat King Modular TONE different from other VCOs?  Well, besides the beautiful mustard gold PCB and the matte black panel with gold laced graphics, the TONE uses the Alfa AS3340 chip (a CEM clone), made famous by its outstanding quality.  It is hard to go without saying that this VCO has some grit and some warm sounds that are trackable over an entire 8 octaves. 

Let’s get onto the build … All Hail The Rat King! 


Limaflo MotoMouth – DIY Build

Limaflo MotoMouth Eurorack Module - DIY Build

Completed MotoMouth Module Front View

As the summer is ticks along, we decided to take on a relatively new module. The LimaFlo MotoMouth Formant Filter. MotoMouth was originally a Kickstarter project that was first launched in March of 2017, and thanks to its backers, the MotoMouth was born. Our buddies over at Synthrotek were one of the first to have the DIY kits and you better believe we had to get our hands on this one and line it up for our final July build. 

Before we get into the build notes, videos and audio samples, you are probably wondering what in the world that the MotoMouth does. The Motomouth is described as an analogue 3-Band, Sedra + Espinoza Bandpass Filter (DABP) with resonant frequencies that are tuned to the same resonant frequencies that are found in the human mouth and nose cavities.

These frequencies can be varied, independently, to form different ‘mouth shapes’, to emulate vowels such as A, E, I, O and U.  In the end, this module can essentially emulate 16 vowels and ‘morph’ or ‘glide’ between each vowel using a single Control Voltage input (1V/Oct), and a Gate to ‘snap’ to each vowel when required. 


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