I was gifted a pair of Benjolin PC boards by Alan Rosetti. The Benjolin was originally designed by the late Rob Hordijk. There’s a good article about it on Perfect … Read More

Double Dragon LFO in high range, as a dual audio oscillators, zwei niederfrequenzoszillatoren. Actually zwölf niederfrequenzoszillatoren used here. Ten channels of NLC chaos control eight LFOs. Four more LFOs modulate … 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

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

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

This post will cover the DIY build from a factory kit of the Beast-Tek Double Dragon Dual LFO. I bought the full kit from synthCube. Double Dragon is a digital … Read More

This post discusses scope trace pics of New Systems Instruments Inertia, in the Low rate mode. The Low rate mode is useful for envelopes, LFO, and slew limiting. Attack-Decay Envelope … Read More

After I built another Cell 90 case, I went a bit insane and spent days trying to fill it, balancing the tradeoffs of cost and functionality. Eventually the dust started … Read More

Updated 01/04/2025 My recent build of a Befaco Rampage prompted me to revisit several variations of the Serge Dual Universal Slope Generator that I have in Eurorack: Befaco Rampage, Random*Source … Read More

The Dannysound EN129 Thru-Zero Oscillator is one of a pair of DIY only oscillator kits from Thonk.  See my post about the Cali Osc, too. The EN129 Oscillator is based … Read More