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#modular

1 post1 participant0 posts today
swannodette

I've been the lucky owner of a *black* Hordijk Modular System for ~5 years. I believe there's only 5 of these "black dragons" in existence. You can't find Rob's original PDFs of the system online easily so I collected everything here github.com/swannodette/hordijk - RIP #hordijk #blippoo #modular #5U #noise #rungler

Rob Hordijk's Modular System Manual. Contribute to swannodette/hordijk-manual-2020 development by creating an account on GitHub.
GitHubGitHub - swannodette/hordijk-manual-2020: Rob Hordijk's Modular System ManualRob Hordijk's Modular System Manual. Contribute to swannodette/hordijk-manual-2020 development by creating an account on GitHub.
Taylor Nuttall

#live #performance at the Dark Space Planetarium in Kirkudbright with Sonic Labs members and part of Dumfries and Galloway Arts Festival, 23rd May 2025.

Two #improvisational tracks composed and performed by myself at the event using #ipad #synthesizer #Ableton Live and a couple of midi keyboards.

#immersive #soundscapes #ambient #noise #modular #meditation

A big thanks you to the other Sonic Labs members and particularly Jamie Little for the excellent #livevisuals

youtu.be/V6YnQUg3XSI

YouTubeDark Space Parts 1 & 2 LiveBy Taylor Nuttall
Continued thread
C.

But we can simplify this.

I'm not putting finished effects into standalone metal #boxes at this point; I'm #experimenting, not producing a product. So I have a simple #modular system I cooked up to connect arbitrary effects #experiments together. One of the things it does is handle the power-supply stuff, so each effect board doesn't need to do any of that. It just receives a nice 0V and buffered #Vcc (9V) it can rely on, along with a buffered 4.5V to use as a #bias voltage when AC coupling #signals, since this is a single-supply system.

So we can chop out all the power stuff from the schematic, which fills basically a ninth of the image - divide it into 3 rows and 3 columns, like the Brady Bunch intro, and the left-middle square is basically the power section.

But there's a bigger chunk we can strip out. Boss (and many other) pedals of the era frequently used "soft switching" to enable / disable the effect while playing. If you go back in time, real physical #switches were used, so the signal was actually totally disconnected from the effects circuitry when in the "off" position. This is called "true #bypass", as opposed to the soft switching.

#Soft #switching involves having two signal paths through the effect. One applies the characteristic effect, and the other basically just buffers the signal and bypasses the rest of the effect stuff. This is implemented with transistors and latches.

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