MATRIXSYNTH

Wednesday, September 23, 2026

HWJ - CHAOS OF THE RINGS (full jam)


video upload by FL3SHB4CK

"Hardware Jam Challenge: HOBBITS

HYPSTER, BENJOLIN, RINGS, BEADS

Make some noise!"

He can barely contain his excitement about Alchemy Lab from Hermetic Modular


video upload by Perceptes and Hermetic Modular

"In this video, I introduce Alchemy Lab, a digital platform Eurorack module from Alchemy Lab. The video covers a bit about the module and its launch firmwares, web editor, software development kit, and the start of my journey into firmware development and DSP. Throughout, I perform a jam on the modular synth using Alchemy Lab's two launch firmwares."

3rd Wave Polyphonic Wavetable Synthesizer (Desktop) SN 1325

Note: links to listings are affiliate links for which the site may be compensated.


via this listing

Additional Perfect Circuit listings

Moog Sirin Analog Synthesizer

Note: links to listings are affiliate links for which the site may be compensated.


via this listing

Additional Perfect Circuit listings

Sequential Circuits Six-Trak Analog Synthesizer (Cosmetic Damage to Keys) SN 0770J



via this listing

Additional Perfect Circuit listings

Yamaha CS-50 4 Voice Polyphonic Analog Synthesizer SN 1834

Note: links to listings are affiliate links for which the site may be compensated.


via this eBay listing

"The Yamaha CS-50, released in 1977, is a 4-voice polyphonic analog synthesizer known for delivering the iconic "CS" sound—famously associated with the CS-80—in a more portable and accessible package. While it only has one VCO per voice and lacks the ribbon controller of its larger siblings, it retains the expressive optical aftertouch and unique 12dB/oct lowpass/highpass filters that define the series' organic character.

SPECS:

Serial # 1834
Polyphony: 4 voices, monotimbral.
Oscillators: 4 total (1 VCO per voice).
Keyboard: 49 keys with pressure-sensitive (aftertouch) routing to multiple destinations.
Filters: Independent 12dB/octave high-pass and low-pass resonant filters.
Memory: 13 factory presets plus one manual panel for custom sound design.
Weight: 76 lbs, housed in a built-in travel case.
ACCESSORIES INCLUDED:

Includes top cover
Original Legs and Cross Supports
Original Sheet Music Stand
UNPACKAGED WEIGHT: 76 lbs.

UNPACKAGED DIMENSIONS: 39" x 20" x 11"

TTMC Tokyo Gate 2 , 158 , 5Step Sequencer , DFG , BBD Tokyo Delay , TipTop BD808


video upload by Tokyo Tape Music Center

Jaap Vink and Recursive Sound


video upload by La Synthèse Humaine

"Jaap Vink was a technician and teacher at the Institute of Sonology in Utrecht from 1967 until his retirement in 1993. During that time he pioneered numerous techniques for the analog realization of dense electronic sounds and was a key collaborator of Roland Kayn in the 1970's and 1980's. Vink was always in search of sounds that would break the inherent periodicity of electronics, and found that feedback was the key.

This video is the first in a mini-series looking at Vink's techniques which were documented by the fantastic retrospective double LP on Recollections GRM."

00:00 Kayn in Utrecht
01:11 Jaap Vink's Background
02:37 Nonperiodicity
03:40 Objets Distants
04:39 Decoding the Diagram
06:09 Delay, Feedback, and Ring Modulation
09:36 Understanding the Feedback System
12:52 Building the Patch
14:30 Giving the System a Kickstart Like the Fonz
16:41 Inserting a Resonant Equalizer
18:53 Adding the Comparator Control Scheme
20:33 Letting It Breathe...

Jaap Vink Recollections GRM LP:



Ring-Modulated Feedback in BEA5

video upload by MrSonology

"This video shows a feedback patch that includes a delay (Studer A80 tape recorder), a ring modulator, a reverb (Lexicon PCM 90) and a modified Bruel & Kjaer third-octave filter. The technique was developed by Jaap Vink in the 1970s at the Institute of Sonology in Utrecht and can be heard in works by many composers, particularly those of Roland Kayn.
This video is dedicated to Jaap Vink and was recorded and edited by Siamak Anvari."

Previously:

Serge Cybernetics - Reverb Ring Modulator Feedback (Continued)

video upload by La Synthèse Humaine

"an expansion and longer exploration of the jaap vink reverb ring modulator patch featured in the last video (cybernetics V). no talking in this one and very minimal intervention on my part - letting the sounds organize themselves"

Simultan, Léo Küpper, and Cybernetic Expansion


video upload by La Synthèse Humaine

"In 1970 Roland Kayn moved to the Netherlands and began working at the Instituut voor Sonologie in Utrecht with two very important people - Jaap Vink and Léo Küpper. There he began to refine and expand his ideas of cybernetic music and his first large scale piece was Simultan - realized primarily in Bruxelles using Léo Küpper's home built GAME (Générateur Automatique de Musique Electronique) synthesizer.

In this video we look at some of the ideas behind Simultan and use those principles to create multiple simultaneous processes which influence each other.

00:00 Kayn Enters the 1970s
01:04 Arrival at the Instituut voor Sonologie
01:27 Sound for Multiple Rooms
02:52 Léo Küpper and the GAME
04:39 Pure Electronics
05:28 Building Three Simultaneous Processes
09:00 Processes Influence Each Other
10:50 Processes Influence How Processes Influence Each Other...
13:09 Entanglement
16:58 Another Session

Support this work on Patreon here: / lasynthesehumaine"

More than DOUBLE your Sample Time on the Emu or Rossum SP1200 !


video upload by TONELAB

"Here, I demonstrate a useful trick that can, more than, double the length of your E-MU (or Rossum!) SP1200's Sample 'play back'.

'Download ready-made' Kits for SP1200, ASR, MPCs and more from TONELAB! https://store.tonelab.au"
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