I’ve finished building the Slightly Nasty Model 2331 Asymmetric Slew Limiter. Here I’ll describe the build and show scope photos of the various operating modes. Features The ASL is another … Read More

I wish I had never sold it! I built this great VCO into MOTM format so early on that it preceded this website. You can still buy a VCO 2100 … Read More

Assembly is complete for the Slightly Nasty Model 1011 Discrete Oscillator. In this post I’ll describe the build, providing a few specific part numbers used, and give a couple of … Read More

I scored this very cool VC SLEW LIMIT/LOCK module from Hale for my 4U Serge project. The VC SLEW LIMIT/LOCK is a dual channel, dual mode module that can accurately … Read More

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