Modules

SetonixSynth Marsupial Dual VCF

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

ST Modular EuroKastle

EuroKastle is a Eurorack version of the Bastl Instruments Kastle or Drum Kastle Synth. This is the third PT Modular semi-kit I’ve purchased from Calsynth. It comes with a full … Read More

ST Modular Stereo Total

Another easy DIY module from Calsynth, the Stereo Total. It is a manual mono to stereo and stereo width controller. The first block A is a Stereo Simulator that creates … Read More

Ciat-Lonbarde Replacement Knobs

Ciat-Lonbarde instruments are getting older and sometimes need a replacement knob. I found a perfect match, Mouser part number 450-4660, also the same part number from Eagle Plastic Devices. It … Read More

ST Modular Singer Delay

I discovered that Calsynth offers populated PC boards for many ST Modular modules, which are all DIY. The cost for both populated PCBs plus the panel is only $59 plus … Read More

Toppobrillo Triple Wave Folder

Toppobrillo’s TWF was designed in 2010 and is now discontinued. But you can still build one. SynthCube sells the PC board with several different panel options. I chose the black … Read More

Eurorack Jack Confusion

Modules for DIY in Eurorack use 3.5mm mono jacks that come in three basic types, each with a different PCB footprint. The part numbers for each of these is different … Read More

Mido-centered Active Attenuators

Signal attenuation was a function missing from my collection of DIY things based on designs by Peter Blasser. All of these devices use a single +9 volt supply (Peter wanted … Read More