The Serge Dual Universal Slope Generator is a legend in modular synthesis.  It is the basis of most voltage controlled slew modules, including Make Noise Maths.  I have built a … 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

The Dannysound Cali Osc is one of two new, analog VCOs available from Thonk only as DIY kits. The Cali oscillator is a new and improved version of the classic … Read More

Befaco A*B+C turned out to have a noise floor issue.  Befaco issued a schematic diagram with the fix.  I’ve done this modification and confirmed that the noise level is no … Read More

Sheep is an alternative software for Mutable Instruments Tides.  I decided to flash my Tides with Sheep to make it into a full time wave table oscillator.  I found I … Read More

Stages segment generator is called the Modulation Construction Set.  It is a brilliant design in the true spirit of modular synthesis.  There is no preconception of how it should be … Read More

A while back I build some muscle sensing gear.  I used this during a multi-media work with a dancer, who attached the sensor probes to her muscles.  We used two … Read More

I’m so happy I have Genusmodu EHA, the Euro Header Adapter.  Genusmodu makes an excellent Low Impedance Bus Board (LIBB).  I don’t have any of those yet.  But when they … Read More

The patch for the previous post uses my Big Euro Box.  There are two parts:  the control patch and the audio patch.  Pardon the poor sketches. Control Patch The control … Read More

I had an old Pittsburgh Modular AC Cell 90 power supply.  It is as simple as you can imagine.  Uses a 2 amp AC wall wart with bridge rectifiers and … Read More