Tag: eurorack modular

Division 6 Dual Mini Synthesizer – DIY Build

Division 6 Dual Mini Synthesizer - DIY Build

D6 - Completed Module Close

Division 6 is the maker of unique modular and desktop synths and one of their latest creations is perhaps one of the coolest. The Dual Mini Synthesizer is a two part modular synth that houses two complete synthesizer voices. They are based on the Business Card Synthesizer with all its 8-bit goodness, but adds CV inputs for most of the controls. With that being said, it is also makes the perfect pair partnered with the Dual Mini Sequencer that we built awhile ago.  

Since we didn’t go into great detail on the Dual Mini Sequencer build, we decided to do this one a proper write up and review. Now, enough about all that, let’s get on with the build!


Erica Synths Polivoks VCO – DIY Build

Erica Synths Polivoks VCO - DIY Build

ES VCO - Boards 1

Erica Synths have been around for awhile and while most of their previous offerings in the modular world were fully built modules, they do have some DIY kits. The Erica Synths Polivoks VCO or Voltage Controlled Oscillator is one of those modules. 

The core of this VCO is borrowed from the famous Russian synth Polivoks VCO, and original matched transistor IC is the same of that was used in Polivoks. These two things give this VCO a very well rounded and beefy sound. (We liked it so much we have 2 of these). 

The gang over at Synthrotek have made these kits available in all their entirety. They have several options available to purchase (links below), including a fully assembled module if you do not feel like building anything. We opted for the full DIY Kit as usual and began warming up or irons!


Synthrotek Crossfader (CF) and 2hp Buff Mult – DIY Builds

Synthrotek Crossfader (CF) and 2hp Buff Mult - DIY Builds

In December 2021, we highlighted a few smaller modules produced by Synthrotek. These modules included the Power Pak, Adapt 1/4 and a Stereo Buffered Mult. The new Crossfader Module (CF) and the new Buffered Mult from Synthrotek are two new modules that join their line of utility modules and we had the opportunity to put them on the build table. 

Just like the previous utility modules, the Crossfader module is a quick and easy build. There are very few hole-through components to complete the module. The Buffered Mult on the other hand, has SMD components and requires finesse when assembling. A novice builder would want to steer away from the SMD soldering until they have had some practice. 

One thing remains true about both of these modules though. Being that both of these modules have a very small footprint in your rack, it is a no-brainer on why they both are“must haves”. Let’s get on with the builds. 

Synthrotek Logo

Synthrotek AstroNoise – DIY Build

Synthrotek AstroNoise - DIY Build

Inspired by 80’s chip tune drum machines, the Synthrotek AstroNoise contains 3 different vintage tones that can give your track something its been missing. Originally released as a DIY project for Knobcon, the AstroNoise came into the world of modular last year in all of its nostalgic glory.

Since we could not make it to Knobcon 2021, we were thankful that this kit made it into the wild. Let’s get on with the build!

The Build...

Upon cracking open the kit, the novice builder could be overwhelmed by the number of things going on. Multiple ICs, bags of LEDs and switches and pots that are not labeled. Synthrotek includes the BOM with their kit and it also available online if that is easier to access. This is essential in building this kit, as well as having a way to test resistors in case any of them got shuffled in the packing or shipping. First things first; start by separating everything (make sure to keep the LEDs in their bags until you get to that part of the build)