Richard Brewster's Electronic Sounds: Recent Episodes

Richard Brewster's Electronic Sounds

Richard Brewster's blog about Modular and DIY electronic sounds.

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I have finally got round to loading the After Later Audio Adventure Case with a set of modules. Included are my most amazing oscillators, Mindphaser and Three Body. Here is ... Read More

The post Performance Case First Patch appeared first on Richard Brewster's Electronic Sounds.

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Everyone likes to use Rings to demonstrate effects. I’m setting up the After Later Audio 7U 84hp case. So here I’m using After Later Audio Steps to trigger Blue Lantern ... Read More

The post Steps, Rings, Bib appeared first on Richard Brewster's Electronic Sounds.

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A small mixer module for the After Later Audio 7U case. I chose the DC-S for its interesting design and functional characteristics.

The post Black Noise DC-S Hybrid Mixer appeared first on Richard Brewster's Electronic Sounds.

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I finally got the kind of portable Eurorack case I’ve been wanting. Of the dozen or more Eurorack cases I already have, this is only the third case, complete with ... Read More

The post After Later Audio 84hp 7U Adventure Case appeared first on Richard Brewster's Electronic Sounds.

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For the Eurorack rearrangement I installed the 6U 84hp rack, already in a rack mount case, into the remaining 6U road case. The Quantisise rack sits on top, with its ... Read More

The post Studio Rearranged appeared first on Richard Brewster's Electronic Sounds.

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Schlappi Engineering Three Body was on my wish list for a long time. I bought this one used and saved a hundred dollars. Three Body is a triple oscillator known ... Read More

The post First Three Body Patch appeared first on Richard Brewster's Electronic Sounds.

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Three videos, each with a different Tetrazzi. The first is a performance with the original Tetrazzi Organ. The second is an automatic running patch of the Modular Tetrazzi being controlled ... Read More

The post Tetrazzi in Three Parts appeared first on Richard Brewster's Electronic Sounds.

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I realized that in Eurorack I had few dedicated envelope generators. I was using universal slopes like Make Noise Function for a envelope duties, plus Stages and Just Friends. So ... Read More

The post RYK Envy Machine appeared first on Richard Brewster's Electronic Sounds.

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Four voices on the MOTM format modular. Made for the real time video. I did the audio performance below for practice. After that I made the video. Amazingly, they are ... Read More

The post Four Voice Drone appeared first on Richard Brewster's Electronic Sounds.

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Similar to the last patch, but with the Quantussy removed and Fyrall put in charge of all the controls. No fiddling during recording here. It’s all the chaos of Fyrall.

The post Fyrall in Charge appeared first on Richard Brewster's Electronic Sounds.

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What? Yet another crazy Pugix project. Nonlinear Circuits, located in Australia, designs lots of circuits for modular synthesis with a special emphasis on chaotic and unusual designs. For sale are ... Read More

The post Bananas for Nonlinear Circuits appeared first on Richard Brewster's Electronic Sounds.

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I built this power supply for an upcoming Eurorack project (TBA) that will be rack mounted. I used the same Tiptop Audio Zeus Studio Bus supply as the one I ... Read More

The post Rack Mounted Power appeared first on Richard Brewster's Electronic Sounds.

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After doing Krells in Eurorack, I wanted to do more on the MOTM. This is a dual patch. Each patch has a through-zero VCO being TZFM’ed by a sine wave ... Read More

The post Dual Krell on MOTM appeared first on Richard Brewster's Electronic Sounds.

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Four years ago was my last Krell patch. I think of the Krell as a hierarchical control structure with random control voltages at the top. The top of the hierarchy ... Read More

The post Catch Goes On appeared first on Richard Brewster's Electronic Sounds.

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I’m going to compare the features and behaviors of two relatively new complex random modules, the Ultra-Random Redux from Steady State Fate, and BAGÀI from Frap Tools. There is some ... Read More

The post Two Random Eurorack Modules appeared first on Richard Brewster's Electronic Sounds.

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This sound piece is controlled by a structure consisting of fifteen slow random or chaotic modules. Starting from the top of the diagram, half of the Klavis Twin Waves generates ... Read More

The post Very Random appeared first on Richard Brewster's Electronic Sounds.

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Messing around with this patch and putting it through Qu-Bit Aurora, this came out.

The post Strange Aurora Take appeared first on Richard Brewster's Electronic Sounds.

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Instead of triggering the new sample & holds with a quantussy patch, here they are triggered by a clocked patch.

The post Clocked Random appeared first on Richard Brewster's Electronic Sounds.

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Two Dual LFO from VoiceAs plus two Dual Sample and Hold modules from Tenderfoot Electronics plus two Dual S&H from 2hp make possible a four-cell Quantussy Cell ring. The 2^LFO ... Read More

The post Four new Quantussy Cells appeared first on Richard Brewster's Electronic Sounds.

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Four oscillators tuned in a chord. Listening to the pulse outputs with slow PWM. All mixed in Warm Star Electronics The Bends, with slow changes from Just Friends. Then processed ... Read More

The post Four Oscillator Drone appeared first on Richard Brewster's Electronic Sounds.

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Playing around with the Serge system, plus the dual Benjolin. Slightly Nasty Oscillator and Filter are in white panels. The rest are blue.

The post Blue + White appeared first on Richard Brewster's Electronic Sounds.

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This patch started out complex. Over time I simplified it. Five oscillators with through-zero modulation capability were mixed together, some going mostly to the right stereo image and some to ... Read More

The post Simple to Complex appeared first on Richard Brewster's Electronic Sounds.

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This is a listening comparison of the Through-Zero Linear Frequency Modulation sounds made by four different TZ capable oscillators. Through Zero Linear FM Initial Offset Through zero linear FM entails ... Read More

The post TZFM Oscillator Comparison appeared first on Richard Brewster's Electronic Sounds.

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I bought a Patching Panda Operat oscillator full kit from Modular Addict. It is based on the SSI2130 integrated circuit, the same as used in the LA 67 T-ZED oscillator ... Read More

The post Patching Panda Operat VCO DIY appeared first on Richard Brewster's Electronic Sounds.

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This patch does two different types of modulation, Through-Zero FM and Through-Zero PM (Phase Modulation). Modules used: The T-ZED does Phase Modulation, with control over the depth. The TZ0 does ... Read More

The post Chaotic Cross Modulation appeared first on Richard Brewster's Electronic Sounds.

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I’d been looking for oscillators with a few specific requirements. 1) Analog, 2) Phase Modulation, and 3) DIY. The LA 67 T-ZED Oscillator meets all these and was on sale ... Read More

The post LA 67 T-ZED Oscillator appeared first on Richard Brewster's Electronic Sounds.

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One of my cherished Happy Nerding 3X-MIA modules stopped working. It wasn’t even patched at the time, but I noticed the LEDs weren’t responding to the knobs. I removed it ... Read More

The post 3X-MIA Module Repair appeared first on Richard Brewster's Electronic Sounds.

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Six years after I built the first one, I decided to build a second Dannysound EN129 Thru-Zero Oscillator. The design originated in the Electronotes newsletter #129, published by Bernie Hutchins ... Read More

The post Second Dannysound EN129 VCO appeared first on Richard Brewster's Electronic Sounds.

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I decided to make an automatically playing patch for myself to listen to while having a ketamine medicine journey. I’d already had several such sessions, listening to recommended playlists. The ... Read More

The post Ketamine Breakfast appeared first on Richard Brewster's Electronic Sounds.

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I was exploring combinations of effects today. Ended up with this patch that starts with various plucked or bowed sounds from Mutable Instruments Braids (showing PLUK on the screen). Took ... Read More

The post Fun with Effects appeared first on Richard Brewster's Electronic Sounds.

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I discovered that Thonk carries a DIY kit for Venus Instruments Veno-Echo. I had been looking for a high quality stereo digital delay and knew about the Veno-Echo but didn’t ... Read More

The post Veno-Echo DIY appeared first on Richard Brewster's Electronic Sounds.

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As with a lot of my patches, this one came to me the other day as the idea to gate eight envelope generators using the pulse shift register based on ... Read More

The post Tweaking and Tuning a Large MOTM Patch appeared first on Richard Brewster's Electronic Sounds.

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Want to buy this entire MOTM rig? I am thinking of selling it as a whole. Would include all the above MOTM format modules, plus a few more (pictured on ... Read More

The post All MOTM Format Modules appeared first on Richard Brewster's Electronic Sounds.

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I built this module years ago and recently discovered it had no post. I think the panel was sourced from Bridechamber. It is a typical MOTM format quad multiple with ... Read More

The post Switched Quad Multiple/Adaptor appeared first on Richard Brewster's Electronic Sounds.

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I was messing around with the previous patch and this fell out. It only uses one quarter of the patch.

The post Fading Petal appeared first on Richard Brewster's Electronic Sounds.

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As in a boquet of springs. Sound generation in this piece comes from four oscillators in the DIY Quantussy. Each of the oscillators is pitch modulated by a Castle (S&H) ... Read More

The post Spring Boquet appeared first on Richard Brewster's Electronic Sounds.

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The Jupiter Storm pod was fitted out for this performance. Top three inputs of Mix 6 mix the three Jupiter Storm oscillators; bottom mixes first three main outputs. The three ... Read More

The post Short Performance with Jupiter Storm appeared first on Richard Brewster's Electronic Sounds.

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A Eurorack DIY project that took some creative thinking about its packaging, this Jupiter Storm Cosmic Noise Oscillator by HEXINVERTER came as a panel/PCB from Modular Addict. Whoa, the DIY ... Read More

The post HEXINVERTER Jupiter Storm DIY appeared first on Richard Brewster's Electronic Sounds.

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The Double Tetrahedron patch was retained to generate CV for three separate percussive patches. Two cycling Make Noise Function modules provided all the triggers. One voice consisted of the CubuSynth ... Read More

The post Three Pairs of Percussion appeared first on Richard Brewster's Electronic Sounds.

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Easiest kit ever? This Meng Qi dual passive stereo volume control came from Modular Addict for $60. I didn’t quite know what to expect. Two identical PC boards come with ... Read More

The post Meng Qi Dual Stereo Volume appeared first on Richard Brewster's Electronic Sounds.

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Sounds generated by a patch based on the Quantussy Cell exhibit repeating patterns. Some aspects remain constant throughout, such as manually set initial rates, pitches, and modulation depths. These fixed ... Read More

The post Self Similarity appeared first on Richard Brewster's Electronic Sounds.

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A glance at this hypercube gave me a vision of a hyper-tetrahedron. There is such a thing, but it wasn’t what I imagined. So I call this a Double Tetrahedron. ... Read More

The post Double Tetrahedron appeared first on Richard Brewster's Electronic Sounds.

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Filling out my 4U Serge rack project is a Serge design based Dual Negative Slopes plus Hills and Valleys from Low-Gain Electronics. Of course the original Serge module names were ... Read More

The post Low-Gain Dual Negative Slopes + Hills and Valleys appeared first on Richard Brewster's Electronic Sounds.

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This dual Low Pass Gate from Low-Gain continues filling out my 4U rack. Logan Erickson designed his own interpretation of the famous Buchla low pass gates. I like that it ... Read More

The post LOW-GAIN DUAL LPG + MIXER + PREAMP appeared first on Richard Brewster's Electronic Sounds.

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A short automatic music patch using some of the new banana modules. I use the the Hale VC Slew as a dual oscillator. The runglers produce audio rate stepped waves, ... Read More

The post Auto Flower appeared first on Richard Brewster's Electronic Sounds.

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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

The post Low-Gain Mix-Pro appeared first on Richard Brewster's Electronic Sounds.

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I finished the Slightly Nasty Model 2251 Multiband Filter, the third Slightly Nasty module for my 4U Serge project. Of the three, this module was the easiest to build, due ... Read More

The post Slightly Nasty Multiband Filter appeared first on Richard Brewster's Electronic Sounds.

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I’ve finished building the Slightly Nasty Model 2331 Asymmetric Slew Limiter. Here I’ll describe the build and show scope photos of the various operating modes. Features The ASL is another ... Read More

The post Slightly Nasty Asymmetric Slew Limiter appeared first on Richard Brewster's Electronic Sounds.

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I wish I had never sold it! I built this great VCO into MOTM format so early on that it preceded this website. You can still buy a VCO 2100 ... Read More

The post Blacet VCO 2100 appeared first on Richard Brewster's Electronic Sounds.

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Assembly is complete for the Slightly Nasty Model 1011 Discrete Oscillator. In this post I’ll describe the build, providing a few specific part numbers used, and give a couple of ... Read More

The post Slightly Nasty Discrete Oscillator appeared first on Richard Brewster's Electronic Sounds.

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I scored this very cool VC SLEW LIMIT/LOCK module from Hale for my 4U Serge project. The VC SLEW LIMIT/LOCK is a dual channel, dual mode module that can accurately ... Read More

The post Hale Modular VC Slew appeared first on Richard Brewster's Electronic Sounds.

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It’s alive! The Fyrall board is assembled, with some of the modifications I discussed previously. I’m still working out the the panel design. The panel has to come last, because ... Read More

The post Fyrall Progress appeared first on Richard Brewster's Electronic Sounds.

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These just arrived in the mail from Australia. Three Slightly Nasty DIY module panels and PCBs! These begin my 4U Loudest Warning format modular project. They’ll be going into this ... Read More

The post Slightly Nasty Modules appeared first on Richard Brewster's Electronic Sounds.

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The Dual Benjolin is finished, racked and patched. I rearranged the rack cases in my studio to accommodate the Benjolin, as well as to plan ahead for the upcoming 4U ... Read More

The post Dual Benjolin Patch appeared first on Richard Brewster's Electronic Sounds.

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I played the rig above for a couple of sets at the Cesspool of Synths, July 2nd this year at the Center for Connection + Collaboration. This case has most ... Read More

The post Sound Check for Cesspool of Synths 2023 appeared first on Richard Brewster's Electronic Sounds.

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Need to drive a bi-color LED in one of your DIY projects? I needed some of these for the added LEDs in my Dual Benjolin project. I had a circuit ... Read More

The post Bi-Color LED Driver Circuits appeared first on Richard Brewster's Electronic Sounds.

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Made a lot of progress since the first post about the Dual Benjolin project. At that point I had one assembled and tested board. Since then I’ve built the second ... Read More

The post Benjolin Project Progress appeared first on Richard Brewster's Electronic Sounds.

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Another easy to build Eurorack module from ST Modular, purchased from Calsynth. CV SCAN is a bi-directional 4-way switch that operates manually or by control voltage. Though mainly intended for ... Read More

The post ST Modular CV SCAN appeared first on Richard Brewster's Electronic Sounds.

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I was gifted the above PC board, which is a Fryall by Ciat-Lonbarde (Peter Blasser). While awaiting the panel for my Dual Benjolin project (previous post), I dug into the ... Read More

The post Grokking the Fryall appeared first on Richard Brewster's Electronic Sounds.

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I was gifted a pair of Benjolin PC boards by Alan Rosetti. The Benjolin was originally designed by the late Rob Hordijk. There’s a good article about it on Perfect ... Read More

The post Dual Benjolin Project appeared first on Richard Brewster's Electronic Sounds.

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Almost automatic patch having the Joranalogue Orbit 3 Chaos Oscillator as the control center. The audio oscillators are Joranalogue Generate 3 and Dannysound EN129. Echos provided by Mimeophon and reverb ... Read More

The post Potato Feedback appeared first on Richard Brewster's Electronic Sounds.

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There are always two opposites. Joranalogue Orbit 3 oscillator getting bent.

The post The Opposite Two appeared first on Richard Brewster's Electronic Sounds.

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I sat in with Elka Bong this past Tuesday at the Center for Connection + Collaboration. It was Elka Bong’s Weird Yoga Residency. Elka Bong Spring 2023 members are: Al ... Read More

The post Sitting in with Elka Bong appeared first on Richard Brewster's Electronic Sounds.

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It’s not too difficult to test the voltage outputs from a Eurorack power supply, but it isn’t as easy to test current, because you have to put the meter in ... Read More

The post Joranalogue Test 3 appeared first on Richard Brewster's Electronic Sounds.

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Double Dragon LFO in high range, as a dual audio oscillators, zwei niederfrequenzoszillatoren. Actually zwölf niederfrequenzoszillatoren used here. Ten channels of NLC chaos control eight LFOs. Four more LFOs modulate ... Read More

The post Zwei Niederfrequenzoszillatoren appeared first on Richard Brewster's Electronic Sounds.

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Another 4hp digital LFO kit for Eurorack, the CCTV Coven LFO is an addition to my Noise Rack. Coven LFO is a 4 HP modulation source in an easy-to-build DIY ... Read More

The post CCTV Coven LFO appeared first on Richard Brewster's Electronic Sounds.

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One of the simplest DIY builds, the AI Synthesis AI010 Switching Attenuator was also a test to see if I could find a better quality “tall trimmer” potentiometer. But first, ... Read More

The post AI Synthesis AI010 Switching Attenuator appeared first on Richard Brewster's Electronic Sounds.

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My mood today

The post The World Today appeared first on Richard Brewster's Electronic Sounds.

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I built this neat little LFO from Frequency Central. I had a need for some smaller LFOs to use in racks built for improvisation, so I got two kits for ... Read More

The post Frequency Central Wave Runner LFO appeared first on Richard Brewster's Electronic Sounds.

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In a dream I heard a single oscillator voice gradually rising and falling. That became the basis of this patch, which features six sine wave oscillators, wavering in pitch and ... Read More

The post Evening appeared first on Richard Brewster's Electronic Sounds.

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I have been assembling a rack for noise improvisation, in the wood case that Kri Samadhi helped me build. Here’s the Modular Grid view. The blank panel on the right ... Read More

The post Noise Improv Rack appeared first on Richard Brewster's Electronic Sounds.

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Marsupial is a Dual AS3350 Voltage-Controlled Filter from SetonixSynth. I don’t use filters often in Eurorack, but I built this one for my Noise Rack (next post). I like the ... Read More

The post SetonixSynth Marsupial Dual VCF appeared first on Richard Brewster's Electronic Sounds.

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EuroKastle is a Eurorack version of the Bastl Instruments Kastle or Drum Kastle Synth. This is the third PT Modular semi-kit I’ve purchased from Calsynth. It comes with a full ... Read More

The post ST Modular EuroKastle appeared first on Richard Brewster's Electronic Sounds.

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Another easy DIY module from Calsynth, the Stereo Total. It is a manual mono to stereo and stereo width controller. The first block A is a Stereo Simulator that creates ... Read More

The post ST Modular Stereo Total appeared first on Richard Brewster's Electronic Sounds.

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Ciat-Lonbarde instruments are getting older and sometimes need a replacement knob. I found a perfect match, Mouser part number 450-4660, also the same part number from Eagle Plastic Devices. It ... Read More

The post Ciat-Lonbarde Replacement Knobs appeared first on Richard Brewster's Electronic Sounds.

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The post Ambient Patch appeared first on Richard Brewster's Electronic Sounds.

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I discovered that Calsynth offers populated PC boards for many ST Modular modules, which are all DIY. The cost for both populated PCBs plus the panel is only $59 plus ... Read More

The post ST Modular Singer Delay appeared first on Richard Brewster's Electronic Sounds.

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Toppobrillo’s TWF was designed in 2010 and is now discontinued. But you can still build one. SynthCube sells the PC board with several different panel options. I chose the black ... Read More

The post Toppobrillo Triple Wave Folder appeared first on Richard Brewster's Electronic Sounds.

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Not long ago I built a DIY Cocoquantus Delay. I received a second PC board from Josh Rodriquez, and he reminded me to use it for tracing the delay circuit ... Read More

The post Cocoquantus Delay Circuit Explained appeared first on Richard Brewster's Electronic Sounds.

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Modules for DIY in Eurorack use 3.5mm mono jacks that come in three basic types, each with a different PCB footprint. The part numbers for each of these is different ... Read More

The post Eurorack Jack Confusion appeared first on Richard Brewster's Electronic Sounds.

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Signal attenuation was a function missing from my collection of DIY things based on designs by Peter Blasser. All of these devices use a single +9 volt supply (Peter wanted ... Read More

The post Mido-centered Active Attenuators appeared first on Richard Brewster's Electronic Sounds.

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Four DIY Ciat-Lonbarde units patched together and running automatically. From right to left above: A key to this patch is the delay output being fed back into one of the ... Read More

The post Automatic Ciat-Lonbarde with Coco Delay appeared first on Richard Brewster's Electronic Sounds.

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Josh Rodriquez again gifted me two PC boards! This time they are replicas of the delay lines in the Cocoquants v1. One of the boards was partially assembled and Josh ... Read More

The post DIY Cocoquantus Delay appeared first on Richard Brewster's Electronic Sounds.

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Rubin Sponar, the module designer, posted the following mods. R2, R3: change from 100k to 110k for offset of Triangle output, also improves sine roundness.R85, R92: change from 100k to ... Read More

The post Engine Waveform Mods appeared first on Richard Brewster's Electronic Sounds.

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Seeing what I can do with Double Dragon LFO. In this patch the two LFOs are used separately. Both are set on the staircase wave and modulate the frequency of ... Read More

The post Plan B From Outer Space appeared first on Richard Brewster's Electronic Sounds.

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This post will cover the DIY build from a factory kit of the Beast-Tek Double Dragon Dual LFO. I bought the full kit from synthCube. Double Dragon is a digital ... Read More

The post Beast-Tek Double Dragon appeared first on Richard Brewster's Electronic Sounds.

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Quantisise is running a new patch, one with a different topology from the Quantussy on which it’s based. The four audio voices:

The post Quantisise Control Serge appeared first on Richard Brewster's Electronic Sounds.

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Now that I have four more sample & hold modules (see previous post), I can make four Quantussy Cells in my MOTM system. (One Quantussy Cell takes an LFO and ... Read More

The post MOTM Quantussy Cells appeared first on Richard Brewster's Electronic Sounds.

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I got used to having lots of sample & holds in my Eurorack. Whenever I would patch the 5U MOTM, I’d lament having only four sample & holds. It suddenly ... Read More

The post DIY Quad Sample & Hold appeared first on Richard Brewster's Electronic Sounds.

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Onomatopoeia title for this piece. Made a patch similar to the previous one on the Serge/Bugbrand. It is four cycling envelope generators, each triggering a sample and hold at the ... Read More

The post Thwee-Thwee appeared first on Richard Brewster's Electronic Sounds.

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My Encore Frequency Shifter had been troublesome for years now. Sometimes it would come up with all lights bright and not working. It started doing this all the time, so ... Read More

The post Encore Frequency Shifter Repair appeared first on Richard Brewster's Electronic Sounds.

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Rummaging in my notes I found the patch diagram for a Modular On The Spot, where I let the CGS-Serge/Bugbrand case do its thing. I replicated the patch pretty closely, ... Read More

The post Misreplication appeared first on Richard Brewster's Electronic Sounds.

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I have a CGS-83 Dual Positive Slew, version 1.0, built into my Serge/Bugbrand blue panel rack. I was looking at Prism Circuits and discovered that several versions of the dual ... Read More

The post Dual Positive Slew Fix appeared first on Richard Brewster's Electronic Sounds.

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This experiment came about because I have no envelope generators in my DIY Ciat-Lonbarde collection. I have the quad VCA, but only triangles and triangle-like steps from the DIY Quantussy ... Read More

The post Quantussy Quantussy appeared first on Richard Brewster's Electronic Sounds.

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No video today. This patch is based on a simple idea: Set up Just Friends as six envelope generators, trigger them with six pulses from Turing Machine, take those envelopes ... Read More

The post Kind of Beat appeared first on Richard Brewster's Electronic Sounds.

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Fourth in this series of oscillators controlled by the DIY Quantussy and followed by Qu-Bit Data Bender, Make Noise Mimeophon, and Happy Nerding FX-Aid Pro. I got a little more ... Read More

The post Generate 3 Controlled by Quantussy appeared first on Richard Brewster's Electronic Sounds.

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Similar to the last two posts, here we have DIY Quantussy controlling Just Friends by Mannequins. JF was just now updated with firmware v4.5.2, the latest. I put Data Bender, ... Read More

The post Just Friends Controlled by Quantussy appeared first on Richard Brewster's Electronic Sounds.

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Similar to the last post, here DIY Quantussy is controlling parameters on Jolin Tabor. Tabor is a noisy, chaotic oscillator that I got it mainly for improvisation work. You have ... Read More

The post Quantussy Controls Jolin Tabor appeared first on Richard Brewster's Electronic Sounds.

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After all that documentation of the Inertia, I wanted to do a patch with it. I set up the DIY Quantussy and patched five of its Sample & Hold outputs ... Read More

The post Inertia Controlled By Quantussy appeared first on Richard Brewster's Electronic Sounds.

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This post covers New Systems Instruments Inertia in High range, i.e. for use as an oscillator or filter. For audio oscillation, mode is usually set to Skew, which allows frequency ... Read More

The post Inertia VCO Modulations appeared first on Richard Brewster's Electronic Sounds.

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This post discusses scope trace pics of New Systems Instruments Inertia, in the Low rate mode. The Low rate mode is useful for envelopes, LFO, and slew limiting. Attack-Decay Envelope ... Read More

The post NSI Inertia Low Mode Shapes appeared first on Richard Brewster's Electronic Sounds.

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Twelve sine wave oscillators mixed in unison and heard through a shimmer reverb. The first recording incorporated Data Bender, but no manual adjustments, before the reverb. The second recording was ... Read More

The post Realm appeared first on Richard Brewster's Electronic Sounds.

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I bought some Befaco Bananuts from Control to add some color indicators. Having all aluminum jack nuts on Eurorack modules can sometimes obscure the jack purpose, especially on modules like ... Read More

The post I Went Nuts appeared first on Richard Brewster's Electronic Sounds.

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I was uncertain about making and publishing these short recordings. Each recording was made on a different day, with different variations of this patch.

The post Uncertain appeared first on Richard Brewster's Electronic Sounds.

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A patch on the MOTM, processed by Data Bender and Black Stereo Delay.

The post Nicer appeared first on Richard Brewster's Electronic Sounds.

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Automatic music patch using four oscillators, four wave shapers, four quantussy cells, Zlob F3DB and effects.

The post Gloriously Superfluous appeared first on Richard Brewster's Electronic Sounds.

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Engine dual VCO wavefolder and ramp waves mixed by the Vactrol Mixer run by Turing Machine, then through some effects.

The post Infinite Game appeared first on Richard Brewster's Electronic Sounds.

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The CubuSynth Engine is a dual analog VCO with wave shaping functions, internal modulations and a chaos generator. It is based around two CEM3340 VCO integrated circuits. This post is ... Read More

The post CubuSynth Engine Complex Dual Analog VCO appeared first on Richard Brewster's Electronic Sounds.

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The previous post details the Flight of Harmony Famine 1500 build. Here it is, controlling all of my Ieaskul F. Mobenthey modules by Peter Blasser. For this patch I used ... Read More

The post Famine 1500 starving IFM modules appeared first on Richard Brewster's Electronic Sounds.

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Flight of Harmony Famine 1500 is a voltage-controllable power starvation module. Famine restricts the amount of power sent to modules, starving them, causing erratic behavior. In Feed mode the module ... Read More

The post Flight of Harmony Famine 1500 appeared first on Richard Brewster's Electronic Sounds.

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I am always looking for interesting DIY modules. This is Gaeto from AtoVproject. The module name is derived from Gate + Legato. Multiple Gateos can be chained, and I built ... Read More

The post AtoVproject Gaeto appeared first on Richard Brewster's Electronic Sounds.

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Event hosted by the CCC. Three modules. Three patch cords. The 4ms Noise Swash feeds back into itself through the Reverse Landfill Monotropa. The output goes through Make Noise Mimeophon. ... Read More

The post Improvised Performance with Julie Gillum appeared first on Richard Brewster's Electronic Sounds.

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It Goes Without Saying

The post It Goes Without Saying appeared first on Richard Brewster's Electronic Sounds.

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I’ve been reading about flow, about how everything is always in motion, how perception needs duration. Here is an attempt to make sounds that flow, by changes happening more gradually.

The post Flow appeared first on Richard Brewster's Electronic Sounds.

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Turing Machine is the second random step sequencer in my kit. The other one is Pithoprakta. Both have the ability to loop a sequence, injecting randomness from time to time. ... Read More

The post Two Random Sequences appeared first on Richard Brewster's Electronic Sounds.

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Music Thing Modular Turing Machine can do a lot more with expanders. The most popular is probably Pulses. Pulses The earlier version of Pulses had seven outputs, but Pulses II ... Read More

The post Turing Machine Expanders appeared first on Richard Brewster's Electronic Sounds.

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Long story short, it’s a random looping sequencer. For a full description of the Turing Machine and its expanders, go to Music Thing Modular. The MkII version was introduced in ... Read More

The post Music Thing Modular Turing Machine MkII appeared first on Richard Brewster's Electronic Sounds.

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Zlob Modular graciously sent me schematics for the VC F3DB. I can’t share them here. Zlob schematics are available directly from Zlob, if you ask. One reason I wanted them ... Read More

The post A Little Mod for Zlob F3DB appeared first on Richard Brewster's Electronic Sounds.

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Automatic patch using God’s Box Loose Fruit as a control voltage manipulator. Also using the new NLC Hyperchaos. Two bipolar triangle LFOs and two unipolar sine wave LFOs drive the ... Read More

The post Automatic Fruit appeared first on Richard Brewster's Electronic Sounds.

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Another DIY build! God’s Box Loose Fruit dual wave shaper and crossfader. Loose fruit is digitally controlled with a fully analog signal path. It features two separate and similar wave ... Read More

The post God’s Box Loose Fruit appeared first on Richard Brewster's Electronic Sounds.

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I built a DIY-only 4ms Company Noise Swash module, bought from Thonk. It’s a pretty old module that has gone through several design iterations. This is the last iteration, August, ... Read More

The post 4ms Noise Swash appeared first on Richard Brewster's Electronic Sounds.

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I am on a DIY roll! Built this nonlinearcircuits Primal Hyperchaos in less than a day. This was my second NLC chaos module. I’m getting used to doing SMD soldering. ... Read More

The post NLC PRIMAL HYPERCHAOS appeared first on Richard Brewster's Electronic Sounds.

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I’m on a DIY streak! This is Monotropa v3 from Reverse Landfill. It is a 4-band fixed filter designed for distortion and feedback. There’s a knob for the strength of ... Read More

The post Reverse Landfill Monotropa appeared first on Richard Brewster's Electronic Sounds.

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I built a nonlinearcircuits Spasm, a.k.a. LDRJerk. It’s a Sprott jerk chaos circuit controlled by a DIY 7-way vactrol. This is the first SMD (Surface Mounted Device) project I’ve done ... Read More

The post NLC Spasm appeared first on Richard Brewster's Electronic Sounds.

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Modules: Zlob VC F3DB, Joranalogue Generate 3, Mannequins Just Friends, Mutable Instruments Stages, Qu-Bit Data Bender, SSF Modbox. Lots of LFOs, modulations and feedback, all data-bent.

The post F3DB First Patch appeared first on Richard Brewster's Electronic Sounds.

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Here are two videos demonstrating functions of the F3DB. They present the results of my explorations of how the F3DB works from a black box perspective. The module has an ... Read More

The post Zlob VC F3DB Functional Demonstration appeared first on Richard Brewster's Electronic Sounds.

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VC Fixed Filter with Distortion and Feedback Zlob Modular F3DB can be ordered assembled or Do It Yourself. I suggest going to the Zlob site to read the full description. ... Read More

The post Zlob VC F3DB appeared first on Richard Brewster's Electronic Sounds.

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As the number of my Eurorack modular cases climbs, I find myself needing more power bricks. With the exception of one small case that runs off an AC supply, all ... Read More

The post Eurorack Power Bricks appeared first on Richard Brewster's Electronic Sounds.

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It was time. Time to fire up the ol’ Quantisise. The red panel. From 2013. So I made a patch on it, and a little Eurorack patch, and hooked them ... Read More

The post Quantisise Rules appeared first on Richard Brewster's Electronic Sounds.

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My Blacet Research Mini Wave wave table module, based on the Wiard design, migrated into the main MOTM cabinets. I had not used it in quite a while. Patch Description ... Read More

The post Mini Wave plus Eurorack Effects appeared first on Richard Brewster's Electronic Sounds.

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Two sets of short recordings with the setup above. The first set uses the DIY Quantussy oscillators, which are triangle waves. The second set uses the DIY Tetrazzi variable shape ... Read More

The post Quantussy Tetrazzi Bend and Mess appeared first on Richard Brewster's Electronic Sounds.

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Similar source audio as previous post, but using a different scale. This time the Erica Black Stereo Delay and the Make Noise Mimeophon are included. The first one is automatic; ... Read More

The post Data Bender FX Chain appeared first on Richard Brewster's Electronic Sounds.

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My new Qu-Bit Data Bender module is a kind of automatic effect. It applies its own idea of random changes, including pitch, direction, rate of repeats, dropout, etc., while giving ... Read More

The post Data Bender Little Demo appeared first on Richard Brewster's Electronic Sounds.

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DIY Quantussy uses two of its oscillators for audio and the other three for modulation. The Ciat-Lonbarde quad VCAs are put to use. Two of them modulate the levels of ... Read More

The post Quantussy Itself Plus appeared first on Richard Brewster's Electronic Sounds.

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A little performance on Ciat-Lonbarde Sidrax. Pitches controlled by DIY Quantussy. Echos added by Make Noise Mimeophon. Recording and video have the same audio.

The post Sidrax Ditti appeared first on Richard Brewster's Electronic Sounds.

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A steady clock drives Pithoprakta, which in turn triggers eight sample & holds and eighteen envelope generators. Four oscillators are mixed, with stereo panning, and end up processed through the ... Read More

The post Clock It To Me appeared first on Richard Brewster's Electronic Sounds.

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Four LFOs, four min-max, four oscillators, four envelope followers, four comparators, four sample and holds, two stereo mixers, two stereo effects. Outputs from Xaoc Batumi quad LFO are variously patched ... Read More

The post Four of Everything appeared first on Richard Brewster's Electronic Sounds.

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Updated: Added four more short takes. Controlling the IFM rack with Quantussy. Fourses outputs are level modulated and frequency modulated. FX added with uBurst Clouds. Some recordings drier than others.

The post Ciat-Lonbarde IFM Sounds appeared first on Richard Brewster's Electronic Sounds.

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Looking for interesting things to do with Qu-Bit Pulsar. Here I ran it fast and also CV’d the speed. Rather silly, but fun.

The post Trigger Noodling appeared first on Richard Brewster's Electronic Sounds.

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Same module set as the previous drone post, but a different and better patch. Two audio sources are manually mixed into two mono-in stereo-out delay effects that are then mixed ... Read More

The post Another Drone appeared first on Richard Brewster's Electronic Sounds.

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This box is comprised of selected modules for drone composition. IO Instruments Himalia Chords/Drones section is one of the oscillators. Mutable Instruments Braids is the other. Braids is passed through ... Read More

The post Drone Practice appeared first on Richard Brewster's Electronic Sounds.

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We need our own memory to appreciate music at all. We like hearing repeated patterns. That’s just what long delays with feedback do. This uses another complicated control patch that ... Read More

The post Memory appeared first on Richard Brewster's Electronic Sounds.

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I bought a Qu-Bit Cascade sort of on a whim. Then I liked it enough to get a second one. The first one came with a large knob on the ... Read More

The post Qu-Bit Cascade Envelope Generator appeared first on Richard Brewster's Electronic Sounds.

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This patch was a simple experiment made while exploring the Qu-Bit Cascade Ratcheting Envelope Generator. A fixed rate clock triggers the Cascade in ratcheting mode and takes a new pitch ... Read More

The post Random Chords and Envelopes appeared first on Richard Brewster's Electronic Sounds.

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All sounds produced by MOTM synth, controlled by DIY Quantussy. The first recording has the effects going in parallel. The second has them in series, first Mimeophon, then into FX-Aid ... Read More

The post Chlorine Genes appeared first on Richard Brewster's Electronic Sounds.

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Added a second recording.

The post Protomolecule Dog appeared first on Richard Brewster's Electronic Sounds.

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In a previous post about the Test Bench Rack I received helpful comments from John Loffink, who had also refurbished the same Pittsburgh Modular power supply board. He educated me ... Read More

The post LDO Voltage Regulators appeared first on Richard Brewster's Electronic Sounds.

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Hear the E950 Circuit Bent VCO from Synthesis Technology muttering away with pseudo-random voltage controls and some reverb.

The post Muttering appeared first on Richard Brewster's Electronic Sounds.

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I had a pair of rack end pieces left over from a previous rack project. And I also had a power supply left over from that same project. All I ... Read More

The post Test Bench Rack appeared first on Richard Brewster's Electronic Sounds.

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The Two Hemispheres Two Quantussy Cell rings, one with four cells representing the Left and one with five cells representing the Right, are patched together such that each one can ... Read More

The post Hemispheres Redux appeared first on Richard Brewster's Electronic Sounds.

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I’ve mused before about the unreality of recording. A recording seems to be a thing, but that is illusory. I’ve called my recordings postcards, after a metaphor by John Cage ... Read More

The post Documenting Performances appeared first on Richard Brewster's Electronic Sounds.

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Reading The Master and His Emissary by Iain McGilchrist has got me pondering the two hemispheres of the human brain. This patch started out as a left hemisphere set of ... Read More

The post Hemispheres appeared first on Richard Brewster's Electronic Sounds.