It’s alive! The Fyrall board is assembled, with some of the modifications I discussed previously. I’m still working out the the panel design. The panel has to come last, because … Read More

These just arrived in the mail from Australia. Three Slightly Nasty DIY module panels and PCBs! These begin my 4U Loudest Warning format modular project. They’ll be going into this … Read More

Made a lot of progress since the first post about the Dual Benjolin project. At that point I had one assembled and tested board. Since then I’ve built the second … Read More

Another easy to build Eurorack module from ST Modular, purchased from Calsynth. CV SCAN is a bi-directional 4-way switch that operates manually or by control voltage. Though mainly intended for … Read More

I was gifted the above PC board, which is a Fyrall by Ciat-Lonbarde (Peter Blasser). While awaiting the panel for my Dual Benjolin project (previous post), I dug into the … Read More

It’s not too difficult to test the voltage outputs from a Eurorack power supply, but it isn’t as easy to test current, because you have to put the meter in … Read More

Another 4hp digital LFO kit for Eurorack, the CCTV Coven LFO is an addition to my Noise Rack. Coven LFO is a 4 HP modulation source in an easy-to-build DIY … Read More

One of the simplest DIY builds, the AI Synthesis AI010 Switching Attenuator was also a test to see if I could find a better quality “tall trimmer” potentiometer. But first, … Read More

I built this neat little LFO from Frequency Central. I had a need for some smaller LFOs to use in racks built for improvisation, so I got two kits for … Read More

Marsupial is a Dual AS3350 Voltage-Controlled Filter from SetonixSynth. I don’t use filters often in Eurorack, but I built this one for my Noise Rack (next post). I like the … Read More