The Mix-Pro (mixer-processor) from Low-Gain Electronics continues my 4U Serge project. The Mix-Pro is a straightforward modular mixer that features three DC-coupled inputs, one of which is invertible. There’s also … Read More

Looking for a small dual audio mixer, I found this kit from Transient Modules. The 2M is two unity gain mixers in parallel. Each mixer has level controls for the … Read More

See this important circuit update for a fix to the noise floor. Befaco A*B+C is a dual four-quadrant multiplier with VC offset, a Eurorack utility module with a distinctive design. … Read More

L-1 Stereo VC Mixer replaces the Verbos Scan & Pan for my output mixer. Features 4 stereo channels with voltage controlled level and panning Voltage controlled sum out level Stereo … Read More

Mattson VC Mixer Taking stock of all my VCA modules, I realized that while I had at least two of each type, I had built only one of George Mattson’s … Read More

Pictured are three modules from WMD that constitute a system for phase modulation. Triple Bipolar VCA On the left is the Triple Bipolar VCA.  This is a high-quality DC-coupled VCA … Read More

One of the most popular Eurorack modules is the Make Noise Maths.  Maths is in the venerable lineage of the Serge Dual Universal Slope Generator.  I have a number of … Read More

Pictured are two modules: Verbos Scan & Pan WMD Pro Output In a minuscule amount of space, the Scan & Pan provides a 4 channel mixer with voltage control of … Read More

One of a set of five panels, comprising a set of CGS modules, mostly those replicating 1970’s era Serge designs.  This panel contains: Serge Resonant Equalizer Serge Phaser AC Mixer … Read More

This panel is one of five that comprise a set of modules from CGS.  It contains three different functions: A group of four passive attenuator pots Two CGS 64 VCA … Read More