Sunday, October 29, 2023
Chunky Mother-32
video upload by Love Hultén
"Custom commission incl Mother-32, TR-08, Microcosm and a pull-out keybed
Sorry about the distorted audio here and there, my new camera have a very sensitive input"
Blackbird Cover - Speedbumpy LinnStrument Surface v2
video upload by Sound Werkshop
"Buy Here [as available]
My latest attempt at making a better play surface for LinnStrument.
Each row is shaped like a long speedbump. They help you instantly feel the center of the row. Easily slide along the top of a bump for pitch bends.
Instead of gaps between notes, I put grooves over the center of the note. Confidently feel when you finger is on targer."
Mapper: map01/12/21 Chaotic Synthesizer Prototype Demonstration
video upload by Ryan Gaston
"A demonstration of map01/12/21, an electronic musical instrument that focuses on random, chaotic, and gestural interconnections between its constituent structures. map01/12/21 has been succeeded by map02/21, which offers nearly identical functionality; this video serves as an archival demonstration of the older prototype.
map01/12/21 combines three modules: the map01 Delta Scan Mapping Interface (a chaotic audio generator), the map12 Windowed Temporal Drag Processor (a dynamically re-writable audio buffer), and map21 Multiple Vector Source + Translation Matrix (a MIDI controller that combines two joysticks, sixteen random number generators, a timing generator, and a data routing matrix). map01 and map12 have been abandoned in favor of the newer map02 Delta Scan Mapping Interface + Windowed Temporal Drag Processor, which combines their functionality into a single device.
This improvisational demonstration highlights many of the unique possibilities of each of its constituent parts; ranging from blasts of noise to whistling tones, stuttered repeats, aliasing, goofy computer-generated bleeps, and gesturally-controlled chaos."
Additional demos:
Continual Transition - a Memory Machine [Sound/Noise Demonstration]
video upload by Ryan Gaston
"Continual Transition is an electronic sound-making device designed to engage memory, inspired by the unique otherworldly dread of isolation in the Ozarks.
Continual Transition uses a simple synthesis structure, modulated delay lines, sampling, and multiple internal feedback/feedforward nodes to create a chaotic, constantly evolving musical structure. Despite its use of relatively simple synthesis "building blocks," its embrace of chaos and its perhaps-peculiar parameterization makes it such that individual controls often results in individual knobs affecting many aspects of a sound's character, usually in nonlinear or unpredictable ways.
Continual Transition is comprised of two primary sections: on the left, a Temporal Reflection Interval Processor (TRIP), and on the right, an Arbitrarily Traversal Memory Register (ATMR). The TRIP and ATMR are intertwined via multiple intermodulation nodes, allowing them to influence one another's behavior in a number of ways. The TRIP is a continually-degrading memory process, in which user actions are echoed, multiplied, and obfuscated continually as time progresses. The ATMR is a sampling device, which assesses the device's total state for concentrated periods of time, locking small windows of "memory" into a buffer which can be bent, twisted, folded, and traversed linearly or chaotically.
By allowing these two forms of memory to commingle—and by gradually learning the relationship between individual controls, the immediate sound, and the way that sounds progress into the future—the user may develop a peculiar sense of "presentness," in which the events of the past and immediate future gain greater clarity and present actions take on greater-than-typical weight.
Continual Transition was created with a Bela Mini, Pure Data, simple custom circuitry, and Arkansan cedar sourced directly from the forests of the Ozarks. A limited number of Continual Transition devices were created in 2020. Despite initial goals to the contrary, there is no current plan to develop it into a commercial product.
If you want to learn more about Continual Transition (and to hear more examples of how it can sound), see the Summer 2019 edition of SciARC's Offramp online magazine here: https://offramp.sciarc.edu/articles/c..."
Stereo Transfer Function Synthesizer - Proof of Concept (Teensy)
video upload by Ryan Gaston
"A simple demonstration of some of the sounds yielded from a simple Teensy-based synthesizer. This is a proof of concept more than anything else; ultimately, this will be integrated into a more complete instrument.
The internal signal path is based on a combination of phase modulation, frequency modulation, and digital waveshaping via arbitrarily constructed transfer functions. Three oscillators intertwine in various ways, each contributing to the sound's instantaneous timbre, pitch, loudness, and sense of spatial location. The use of many internal feedback/feedforward nodes enhances the potential for chaotic, unpredictable sonic structures.
Originally, the idea was to create a stereo oscillator with transfer function-based waveshaping; however, I found that with a sufficiently knotted internal signal flow, it was possible to achieve a pretty astonishing range of animated sounds using relatively limited means. Though very much inspired by the Hordijk Blippoo Box, Hordijk Benjolin, Serge Wave Multipliers, Buchla Touché, Buchla 400, Buchla 700, and Buchla 259e, and some experimental works by Larry Polansky, I'm finding that there's much more sonic territory to be explored utilizing the bizarre combination of feedback and waveshaping via arbitrary transfer functions.
Again, I hope to continue to expand this into a more complete, performable instrument. But for now, enjoy some noise."
Buchla Thunder + ASM Hydrasynth | Noise Improvisation
video upload by Ryan Gaston
"I recently took delivery of a vintage Buchla Thunder—a MIDI controller I've been dorking out over for years. In this video, I'm exploring a tiny bit of what it can do when combined with an ASM Hydrasynth desktop module...in the form of a mostly noisy/textural improvisation. (Note—the laptop is there purely for the sake of recording. All sounds and effects are coming from the Hydrasynth.)
Released in ~1990, Thunder is bonkers. Like many of Buchla's prior instruments, it uses touch-sensitive plates as a way of interacting with electronic sound engines. There's no "default" setup...you have to program everything that it does from scratch. It can translate touch directly into MIDI notes, or your touches can be used to initiate/conditionally influence programmed strings of events. Keys can even be used to conditionally modify one another's behavior—it's very deep, and things can become complex quite quickly. That's much of its charm: it's very easy for simple interactions to unwind into complex, unexpected flurries of sound.
So it's quite powerful...but given that I've had it for only a short time, I'm still barely scratching the surface. That said, it's already proving to be super inspiring to play, and I'm excited to keep digging in from here."
How to Make Edgar Winter's Frankenstein on Synth
video upload by Anthony Marinelli Music
"In this ghoulishly delightful episode, I'l be dressed in my Halloween finest to transport you to the creepy and kooky labratory of "Young Frankenstein." Our set is adorned with all the trappings of the classic film, setting the perfect ambiance for an up-close breakdown of the iconic synthesizer sounds of Edgar Winter. You'll experience my frightfully-fun re-creation of the mind-blowing synthesizer wizardry that made this song a legendary rock anthem.
With my ARP 2600, I'll unravel the supernatural secrets behind this iconic track. From spine-chilling synth leads to thunderous bass lines, to the iconic "Frankenstein Sound" coming to life, you'll be forever enchanted!
I've also included pumpkin patch sheets for 6 of the sound effects in this video along with the transcribed lead solo. Go to AnthonyMarinelliMusic"
MPG-70 Patch Generator Bass Category
video upload by Retroaktiv Synthesizers
"Some BASS patches generated by MPG-70 patch generator. Sorry for the flickering of the OLED. That's due to the camera refresh rate. In person, the OLED has no flicker and appears solid white. These are tricky to shoot due to the refresh rate of the OLED vs the refresh rate of the camera."
Roland JP-08, JU-06, JX-03, K-25M Boutique Series Digital Synthesizer Modules
Vintage ARP Odyssey Mk I 2800 Pro Serviced w/ New Sliders
Note: Auction links are affiliate links for which the site may be compensated.
video upload by Synthchaser
via this auction

"This vintage ARP Odyssey has just been fully serviced in October 2023 by Synthchaser, the top ARP specialist - recapped, new key bushings, all new LED sliders, fully functional, tuned and calibrated, and sounding awesome! The Odyssey was ARP's answer to the Minimoog, a feature packed scaled down version of the legendary ARP 2600.
A video functional demonstration of this synth that is for sale is at the end of the pictures list.
The synth is in great condition. This synth comes with illuminated LED sliders that correspond to the colors of the original slider caps. I can disable the illumination for the buyer before shipping, upon request at the time of purchase.
Work just completed on the synth included:
Synthchaser Precision LED slider upgrade - All 34 of the old original sliders have been replaced with new, smooth, high precision LED illuminated sliders. The difference in the way these sliders feel and perform compared to the originals is a huge improvement. LEDs run off their own power supply mounted inside the synth.
Illuminated slider caps - Slider caps with a translucent plastic stripe that allows the LED illumination to shine through, while giving you something substantial to grip onto. They look and feel awesome!
Power supply rebuilt - All tantalum and electrolytic capacitors in the power supply have been replaced, and high quality, high temperature 105 deg C capacitors have been used for the power supply filter capacitors.
All tantalum capacitors replaced - The tantalum capacitors in ARP synths are ticking time bombs.All tantalum capacitors in this synth have been replaced with electrolytics to help provide stable operation for years to come.
Synthchaser 4023 Voltage Controlled Filter Submodule - This is a very fat 2 pole dual OTA filter. Synthchaser modules are true to the original designs and professionally built using premium components with superior performance and reliability to those found in the original modules.
Keyboard rebuild - New key bushings installed, keys removed and ultrasonically cleaned, bus bars removed and polished, bellcrank caps cleaned and lubricated.
Oscilloscope calibration - Calibrated & tuned using oscilloscope and frequency counter.
1/4" output made High - ARPs of this era had an RCA jack as the high output and the 1/4" jack as the low output. As today RCA jacks are an inconvenience for most, the 1/4" jack has been made to a second high output.
New rubber feet"
video upload by Synthchaser
via this auction


A video functional demonstration of this synth that is for sale is at the end of the pictures list.
The synth is in great condition. This synth comes with illuminated LED sliders that correspond to the colors of the original slider caps. I can disable the illumination for the buyer before shipping, upon request at the time of purchase.
Work just completed on the synth included:
Synthchaser Precision LED slider upgrade - All 34 of the old original sliders have been replaced with new, smooth, high precision LED illuminated sliders. The difference in the way these sliders feel and perform compared to the originals is a huge improvement. LEDs run off their own power supply mounted inside the synth.
Illuminated slider caps - Slider caps with a translucent plastic stripe that allows the LED illumination to shine through, while giving you something substantial to grip onto. They look and feel awesome!
Power supply rebuilt - All tantalum and electrolytic capacitors in the power supply have been replaced, and high quality, high temperature 105 deg C capacitors have been used for the power supply filter capacitors.
All tantalum capacitors replaced - The tantalum capacitors in ARP synths are ticking time bombs.All tantalum capacitors in this synth have been replaced with electrolytics to help provide stable operation for years to come.
Synthchaser 4023 Voltage Controlled Filter Submodule - This is a very fat 2 pole dual OTA filter. Synthchaser modules are true to the original designs and professionally built using premium components with superior performance and reliability to those found in the original modules.
Keyboard rebuild - New key bushings installed, keys removed and ultrasonically cleaned, bus bars removed and polished, bellcrank caps cleaned and lubricated.
Oscilloscope calibration - Calibrated & tuned using oscilloscope and frequency counter.
1/4" output made High - ARPs of this era had an RCA jack as the high output and the 1/4" jack as the low output. As today RCA jacks are an inconvenience for most, the 1/4" jack has been made to a second high output.
New rubber feet"
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© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH