
The attenuator – inverter is a tool for modifying a voltage, Control Voltage (CV) or any audio signal.
Continue reading Attenuator – Inverter

The attenuator – inverter is a tool for modifying a voltage, Control Voltage (CV) or any audio signal.
Continue reading Attenuator – Inverter

A small kit is available for purchase! Check the “shop” page.
Continue reading Simple LFO Kit

I’m still working on my DS8 Clone. I made 2 previous versions, but I’m not satisfied enough. The fact is DS7 or DS8 drums and their “clones” suffer from the original design flaws. All those clones are copies from the original model, with some additions. But they inherit the poor quality design. To mention a few, the low amplitude output, the poor noise source, the linear release enveloppe shape, the lack of punch on attack, the lack of 1 V/Oct tracking… And it’s not easy to debug.
So, I decided to completely redesign the guts of my next Drum Synth. Same behaviour, better characteristics.
Continue reading My new DS8 Clone isn’t ready yet, but…

Here comes the next 2015 circuit update: Mini Dual Power Supply version 2.1!
Continue reading Mini Dual Power Supply – Update to 2.1
A quick update on the Prototyping Board #1.
Prototyping Board #1, also known as “Breadboard PCB” has evolved to version 1.1. Same concept, small improvements, better usability!
Continue reading Prototyping Board #1 – 1.1 Update
8 x Eurorack Power Connectors in a very compact (100 x 50 mm) board.

Step by step assembling guide for the Mini Dual Power Supply. Please read all the step at least once before starting assembling.
Continue reading Mini Dual Power Supply: Assembling it

Your synth’s small and efficient filtered and regulated Dual Power Supply, from a simple AC adapter.
Check the 2.1 update!
Continue reading Mini Dual Power Supply