Rollz-5 Modification – Added 3-Rolls

When I built the Meng Qi Rollz-5 PC board, among the many modifications I made was to simplify the rolls oscillators by making them all just two-transistor circuits, i.e. ‘2-rolls’.  … Read More

Large CGS Serge Project

I am finally getting around to the assembly phase of this project, which I began to design almost a year ago.  Ken Stone has been producing PC boards by agreement … Read More

Rollz 5 patched running

Rollz-5 Completed

Here’s the assembled Rollz-5 project! The whole assembly can operate outside of its box.  Here it is being tested.  To the right you can see the power inlet, ground jack, … Read More

Rollz-5 Assembly Progress

The Meng Qi Rollz-5 PC board project in mid-assembly stage. The image above shows the PC board mounted behind a clear plexiglass panel that holds pots, jacks, switches, etc., sitting … Read More

Inline Attenuators

When patching to CV inputs on Ciat-Lonbarde instruments (Cocoquantus, Plumbutter, Sidrax) it can be useful to add some attenuating ability.  For example, if I want to control the frequency of … Read More

E560-E580 Project

I was late to make DIY builds of the Synthesis Technology e560 and e580 modules.  A post on the Synthtech email list alerted me to Dave Brown’s builds. E560 Deflector … Read More

Rollz-5 Schematics

This is the Rollz-5+ PC Board by Meng Qi.  The circuits follow fairly closely the original paper circuits, designed by Peter Blasser.  I am building it with modifications of my … Read More

Studio 2014

Finally, after almost a whole year of residing in boxes, wrapped in anti-static bubble pack, the 5U modules have been unpacked and installed into the five main walnut cabinets. Big … Read More

The Influencer

I propose a live, interactive installation in which sound is generated in real time by analog synthesis equipment that I have designed and built for this type of work. It … Read More

Quantisise Completed

Finally!  Quantisise with Blue Panel and Furman PL-8C power conditioner all together in the 8U EWI Tour Case.  I upgraded the power strip from the Furman M-8Dx to get better … Read More