MATRIXSYNTH

Tuesday, March 10, 2026

Sequential 02 : Oberheim OB-6 Sound Demo : " Massive Mod " user bank preview by I.H.R


video upload by I Hate Robots

"Sequential Oberheim OB-6 (module) - sound demo of few user programs, this is not a jam, and the video is a loop, not in realtime.

00:00 Duality
04:20 X-Rhodes
08:15 Gate 1
10:05 Lux
12:15 Alien 1
14:06 Sun
15:10 Coma
17:02 Gate 2
18:22 Nop
19:31 Dark Phaz
22:40 Omniarp
25:00 Alien 2
26:25 Berlin Mod
29:35 Crispy Pad

In practical terms, the OB-6 (keyboard or module version) is a modern and refined embodiment of all the experience and expertise of Dave Smith (Sequential) and Tom Oberheim. Its sound engine sits somewhere between the Sequential Prophet-6 and the Oberheim OB-Xa; it's essentially a fusion of the two!

It's high-end, old-school analog in the purest tradition—the sound is big, fat, deep, and powerful—but with modern digital assistance that allows it to fully exploit its capabilities and push its boundaries.

This is precisely the subject and purpose of this preset bank, which I designed entirely myself.

This is my main OB-6 bank, which I use very often for my sound design work in the studio or for my training sessions. User Bank #3 (Massive Mod), it contains a total of 96 custom presets. I'm not presenting them all here, the demo would have been far too long, but I've prepared this short demo with a few of them to give you a sonic preview of the synth and its modulation capabilities!
Sometimes I use a single preset with its modulations, either played directly on the keyboard or sequenced with a keyboard layer on top, and other times I mix two presets together (the OB-6 is monotimbral).

Everything you hear comes from the OB-6; there are no added effects, no post-production processing !

Follow the Sound I


video upload by Todd Barton

"Todd Barton with Buchla Music Easel and Eurorack

Making this public, my OSU Soundbox 4 virtual performance from 2021. Eager to perform live for Soundbox 9 in May 29-30.

The original post:

Dear Patrons, I'm so glad to share this little improvisation with you. It premiered last night at SoundBox4 https://liberalarts.oregonstate.edu/s... That festival is still going on today and tomorrow and it is free, you might like to check it out.
I surely miss performing live but when I turn on the video and audio recorders and imagine an audience it is an exciting alternative. I hope you enjoy this. All best wishes, Todd"

ESK - Berlin Jam 2


video upload by Metunar

"A kind of ambient 'Berliner Schule' jamsession with my eurorack modular.
All recorded live, with post mastering."

http://www.metunar.ch

Ce synthé Fourm de Sequential peut transformer ton Live set (Explication + Demo)


video upload by Michel Musique

KOSMOS – A Generative MIDI Sequencer for RP2040 (DIY Project)



You might recall KOSMOS from previous posts here. Plantssystem aka GreyScale wrote in to let us know the source code has been released. Details and link to the github repository follow.

"KOSMOS is a compact, self‑contained generative MIDI sequencer built on the Raspberry Pi Pico (RP2040).

Power it on, and it immediately begins producing evolving melodic patterns — no DAW, no clock source, no setup.

The project combines a Euclidean rhythm engine, Japanese‑mode melodic generation (Hirajoshi / Insen / Miyakobushi),
and a 240×240 LCD UI for real‑time visualization of steps, probabilities, and phrase movement.

A small instrument with a surprisingly expressive voice.

---

The Joy Of Repeating Riffs Over Changing Chords


video upload by EZBOT

"When I first started writing songs it was all about a cool guitar riff over a strait bassline or a solid chord progression. It's the best feeling, it's so simple and satisfying. Let's lean into it and talk about it while using the M8 Tracker."

EZBOT resources: https://www.patreon.com/ezbot, https://ko-fi.com/ezbot/, https://www.modbang.com"

Meet the Akuto Studio Chord Machine AKT-0.1: first jam with Torso S-4


video upload by Freaky Tweaky



"SWITCH BETWEEN 3 DIFFERENT KEYBOARD MODES TO PLAY CHORDS AND MELODIES (TONNETZ, ACCORDION, PIANO)

ADD DEPTH TO YOUR TRACK BY USING THE SCREEN TO MIX UP TO 4 MIDI EFFECTS SIMULTANEOUSLY AND PLAY NOTES IN DIRECT, BIMANUAL OR STRUM MODE

USE THE ROTARY KNOB TO SEAMLESSLY NAVIGATE THROUGH SEMITONES, OCTAVES AND CONTROL THE PITCH TO TRANSPOSE ANY TYPE OF CHORD"

First patch w. Gotharman's Tuul


video upload by Meska (Meska)

"First patch from scratch with Gotharman's Tuul, 4 channel multi function moduls with Gotharman's sound!
Product page : https://gotharman.dk/tuul
RTFM: https://gotharman.dk/onewebmedia/Tuul...

Thank you for watching.
My name is Meska of the statik collective . I've been making mostly 'dark and expérimental' music for more than ten years now, i'v learn so much online, now it's time for me to share my knoledge, my exploration and this channel is a place to talk about the tools, sound design and techniques to make music with.

You can stream my albums and EPs at https://statikwave.bandcamp.com/

If you'd like to support the channel​ consider buying music from bandcamp ;)
Contact/booking: meskastatik@gmail.com"

Novation BASS STATION 2 vs ROLAND SE 02


video upload by Woody Piano Shack

"Which sounds best? Demo of the NOVATION BASS STATION 2 against the ROLAND SE-02 Boutique Analog Synthesizer."

MORE WOODY PIANO SHACK
https://woodypianoshack.com

RMIF OPUS - Unique synth pulsations


video upload by LFOstore

"The RMIF Opus (РМИФ Oпус) is a rare analogue string machine/synthesizer made in Riga, Latvia by the Riga Musical Instrument Factory (RMIF) in the year 1988.

The sound range is five octaves and the instrument consists of 4 sections — piano, that synthesizes piano like lead soundings of different timbres, analog string machine, that plays wonderful string sounds with soft attack and with the possibility to control release, tremolo and the pereodically repeated beat-fading sounds.

A flexible bass section, that is controlled by 2 lower octaves, that contain three 8' and two 16' registers.

The Opus is based on divide-down technology with a master oscillator and has very nice multimode filter (LPF, BPF and HPF with resonance), a fantastic chorus, ring modulator, vibrato and a lot other features."

Roland MKS-7 Super QuartetSynthesizer Module

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


via this eBay listing

"The Roland MKS-7 Super Quartet is a multitimbral rack-mounted synthesizer, combining sounds from the iconic Juno-106 in four separate sections: Bass, Melody, Chord, and Rhythm.

Each section is independently programmable, making it a versatile tool for creating complete arrangements. With classic analog sounds, MIDI control, and robust build quality, the MKS-7 is perfect for vintage synth enthusiasts and studio setups."

Roland M-VS1 Vintage Synth M-OC1 Orchestra M-SE1 String Expansion

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


via this eBay listing

"Included in this bundle:

• Roland M-VS1 Vintage Synth
• Roland M-OC1 Orchestra
• Roland M-SE1 String Ensemble

These rackmount sound modules are great for studio setups, MIDI rigs, and vintage Roland sound collections."

🎹 🤿Arp 2500 - "Deep Dive" into the 1047 Multimode Filter/Resonator #synth #arp2500 #filter #music


video upload by Ian Nieman

"Contents :

00:00 Intro
00:35 Keyboard Percussion Overview
01:04 Sequencer Starts
06:08 Low Pass Filter
07:10 High Pass Filter
08:16 Notch Filter
09:05 Envelope Modulation
12:30 Filter Bypassed
12:410 Filter Engaged
14:40 Band Pass Filter
16:25 Different VCO Waveforms
16:56 Roland TB-303?
18:48 Outro

Hey Guys! We are back with a new DEEP DIVE into the Arp 2500 - 1047 Multimode Filter/Resonator created by Dennis Colin in 1971."

03.10.2026 Mos-lab 2500 - Short and simple


video upload by batchas

"2 short arpeggio sequences in parallel for a very short session with the 2500.
Coming back to the studio after a while."

SWITCHTRIX ELECTRONICS SYNTHE 'A100' KS SEQUENCER/SYNTHI A


video upload by SWITCHTRIX ELECTRONICS

"A quick test of the ks sequencer with some funky hi hats generated synth the SYNTHE 'A100' ring mod."

FREEZE YOUR OCHD!! // Frozen LFOs for creative Eurorack modulation


video upload by DivKid

"FREEZE YOUR OCHD // EXPLORE THE FROZEN TUNDRAS OF DISRUPTED LFOs // BASK IN THE GREATNESS OF HOLDING UP TO 24 VOLTAGES ...

Silliness aside here's a video all about freezing your ochd, which is something I highlighted as a feature back in the original ochd release video. It continues to be something I really enjoy and I think it's maybe a bit of a missed trick so here we are highlighting it! Add some negative voltages to the CV control, freeze the outputs of ochd and the expander and enjoy the held sustained tones in your patches before letting run free again."

Additional OCHD posts

Getting Started with the T1: Overview


video upload by torso electronics

"In this series of videos we focus on getting started with the T1, while creating music in the now.

In this 'Getting started' video we get an overview of the core features of the T1.

0:00 - Introduction
00:22 - Steps & Pulses
00:56- Random
01:04 - Step edits
01:13 - Pitch, Scales & Root
01:49 - Voicing & Style
02:05 - Range & Phrase
02:28 - Accent & Groove
02:47 - Retrigger step
03:03 - Cycles
03:35 - Mute
03:40 - Temp"

Inject for snappier impact


video upload by SCHLAPPI ENGINEERING

"Schlappy Patching 2026 EP.5

Hey there!
Today I'll show you how some ways to use the 'Inject', mostly for waveshaping.
Have fun!!!"

3/9/26 (little Lee) Technosaurus Cyclodon & Microcon + Peavey DDL-3 + Mackie Mix12FX


video upload by Cfpp0

K-ACCUMULATOR Raw Audio Demo


video upload by Fancyyyyy Synthesis

"Raw, unedited, standalone K-ACCUMULATOR demo. Timestamps included — jump around or leave it on in the background. Melody, drone, texture, rhythm, and chaos all from the module on its own. This is the introduction to the architecture."
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