MATRIXSYNTH: Monday, September 15, 2025


Monday, September 15, 2025

Żłob Modular: The Trepanator and other new modules at #Knobcon


video upload by CatSynth TV

"Kevin of Chicago-based Żłob Modular gives us a tour of his latest modules. There is a prototype expander for their existing SVF Filter module; and the Trepanator, an analog “Bent by Design” experimental instrument featuring a Dual VCO, Difference Rectifier, 3-band EQ, Sample/Track and Hold, and SVF(state variable filter) all built into one nonlinear module.

To find out more, please visit https://zlobmodular.com/
For more about Knobcon, please visit https://www.knobcon.com

0:00 Introduction
0:10 Overview of modules from Żłob Modular
0:51 The SVF Expander prototype
3:05 The Trepanator
4:47 Conclusion

Please consider supporting this channel to help us bring you more synthesizer tutorials and other content.

Merch: https://shop.catsynth.com
Patreon: / catsynth
Ko-Fi: https://ko-fi.com/catsynth"

Paxy-1


video upload by LMZ

"#analog #synth #lmz #sensorsynth #analogsynth #sounddesign #lmzvuk #noise #noisemusic #noisebox"

Casio VZ-1 emulation in Pure Data (SINE, SAW, MIX and PHASE)


video upload by Collector Current

"A demo of a partial emulation of the Casio VZ-1 in Pure Data.

Thank you to Jari and Ed for helping me with this.

The patch in this video: https://blog.jacobvosmaer.nl/assets/V...
Download Pure Data: https://puredata.info/

Blog: https://blog.jacobvosmaer.nl/
Music: https://music.jacobvosmaer.nl/"

Days of Yore - Echoic Drift


video upload by NOISEBUG

"The Echo Drift is the second tower shaped Reverb from the dynamic couple known as Days of Yore. Much like its taller tower relative (The Tower), the Echoic Drift is designed around a spring reverb tank. But not just any tank. The beautifully crafted wood structure houses the spring+effects. The springs in these units are hand selected, meticulously tuned to produce a dark lush resonant atmosphere for all audio signals. Echoic drift also provides users with an onboard echo unit which can be used as a kind of pre-delay, or be used creatively, rhythmically. The drifting element is a nice vibrato circuit. The vibrato is subtle, but when layered with the spring, echo and effects returns, proves to add a desirable layer of depth and movement.

#springreverb #synth

Available now at Noisebug

https://www.noisebug.net/products/day..."



via Noisebug

Echoic Drift from Days of Yore offers a smaller version of their most towering spring reverb, delivering the same ethereal richness and spatialization of its taller sibling with a new dynamic echo effect onboard. Fitting comfortably in most studio spaces at just under nineteen inches tall, this comprehensive spring reverb and echo effect marries creative sound design with old world aesthetic appeal. While the physical craftsmanship of this Luxe Edition unit brings a touch of class to your studio or stage set-up, its expansive options for creating immersive spatialization effects impart a royal feast of sonic delights on any sound source.

In addition to the lovingly crafted and custom-designed spring tank, Echoic Drift offers uncompromising control over the lush reverberation the tank provides. With controls for wet and dry signal, input volume, pickup gain and drive, reverb compression, and output volume, it's easy to find any sort of reverb sound you need, from subtle depth to cavernous soundscapes. Create dynamic gated reverbs for impactful moments, with an adjustable three-stage envelope triggered by your input signal. Warble and bend tones with the vibrato rate and depth control, and add haunting echoes with the onboard delay effect. With its unconventionally attractive and nuanced design, Days of Yore's Echoic Drift offers a spring reverb effect that goes above and beyond to bathe signals in all sorts of analog beauty, bringing ear-catching reverb to any audio source.

Echoic Drift Features

Vertical spring reverb and echo effect

18.5 inches tall with custom spring tank offers dark and musical reverb

Onboard echo effect applied to wet signal

Input signal-triggered gate effect with bypass switch and attack, sustain, and release control

Vibrato with depth and rate control

One-knob compressor increases presence of reverb

Input level, pickup gain, and separate drive control

Independent control for wet, dry, and output volume

Send and return jacks for inserting external processing

Remote footswitch 1/4" jack and included footswitch control

Bola Vertiphon - cover


video upload by fischek

"I love this track. I've been working on the cover for a very long time. Of course, it's still not perfect, but I don't suppose it ever could be :)

Nord Lead 2X
Arturia Minilab 3
Korg Wavestate
Vital"

AudCalc, Zeptocore, Phantasmal Force, GREAT CONJUNCTION Micro Synth Coordination


video upload by Arman Bohn

"Let's get these little NOT-calculator devices together and see what happens!

The Phantasmal Force is just providing MIDI clock - which I'm feeding into the Zeptocore, GREAT CONJUNCTION and AudCalc to keep them all in sync.

The Zeptocore provides the chopped up drum breaks/loops. It can be found here: https://zeptocore.com/

GREAT CONJUNCTION adds melodic and percussive chaos.
My synths and devices can be found here:
https://distropolisgoods.com/

AudCalc is providing the underlying sequence (simple kick/snare, bass, and some melodic percussion and plucked string sounds).

I'll be posting just the AudCalc track later - for those curious about what it can do.

You can find the AudCalc here:
https://ko-fi.com/s/e4b28fd09f"



Audcalc is a pocket synthesizer and sequencer. It has 8 voices which can switch between synthesis (using mutable instruments braids cores) and sampling. The sequencer supports parameter locks, conditional triggers, and various time signatures and loop lengths. There are also two built in effects sends for building a full track. Its fun to jam with by itself, and can link into your larger portable music setup via midi or cv clock. Features: - 8 simultaneous synth or sampler voices, 16 midi outs - 16 sequencer channels - 16 patterns, supports pattern chaining for songs - channels can send to synthesizer, sampler or midi out - each voice has 2 assignable envelopes, LFO & filter - reverb & delay sends - sequencer supports midi clock sync or CV sync, both in and out - assembled by me & open source (open firmware, hardware, and enclosure)


TDM Overview

video upload by Jonathan Brodsky

"Showing off some of the features of AudCalc (before I renamed it)"

Trigs are Envelopes and So Can You! Ocean Dreams Instruments #Knobcon


video upload by CatSynth TV

"We talk with Ocean Dreams Instruments about the new modules, the Segmix and 2Step. The Segmix is flexible mixer with VCAs and several patching and routing options. The 2step is a step sequencer with built-in envelope generation per step and other features that go beyond traditional sequencing.

To find out more, please visit http://oceandreaming.com/

0:00 Introduction
0:11 Segmix
2:33 2Step sequencer
4:50 Demo
5:13 Conclusion

Please consider supporting this channel to help us bring you more synthesizer tutorials and other content.

Merch: https://shop.catsynth.com
Patreon: / catsynth
Ko-Fi: https://ko-fi.com/catsynth"

NEGATIVE 5PACE (Ambient Cover) | Novation Peak, Octatrack


video upload by PercBoi 3000

"‘NEGATIVE 5PACE’ is the fifth track from the 'N3V3R 3NOUGH' LP"



Also on Spotify & Apple Music.

Novation Bass Station II Swifty


video upload by MKustomAudio

"The Bass Station II was the first Novation synth I purchased and, with my original unit wearing out, I decided to swap it with the new limited Swifty edition. Except for the end bass guitar and vocal elements, all sounds are from the Bass Station II with additional processing added in post. For the bass guitar and vocals, these were processed through the external in on the synth with the oscillators also being played alongside the vocal element."

I beleive this might be the first still / pic of the original box on the site.

Vongon Replay / Chroma Console / Mellotron


video upload by hen

Typhoon spectral clouds algorithm sound demo


video upload by Meska (Meska)

"Quick demo demo of the Typhoon spectral clouds
RTFM: https://github.com/capital-G/typhoon-...

https://github.com/capital-G/typhoon-..."

Cloud Terrarium & Quad Morphing VCO in VCV Rack


video upload by Omri Cohen

"Here is the Synthesis Technology collection - https://library.vcvrack.com/Synthesis...
I publish regularly on Patreon additional patch from scratch videos - / 411040
Here you can find the document of tips and tricks - / 119073839

Introduction - 00:00
Cloud Terrarium - 00:26
Quad Morphing VCO - 06:30"

Kawai K4 - "Planet K4" Soundset 64 patches


video upload by LFOstore

"Buy: https://kav-sound-explorer.sellfy.sto...

Featuring 64 meticulously crafted patches, this collection includes atmospheric pads, deep textures, and dark tones, perfect for ambient, dark ambient, cinematic, and advanced electronic music genres.

Explore a diverse array of 64 presets, each meticulously crafted to offer a unique sonic experience.

All demo tracks were recorded in real time, using only the K4 — no external processing required.

This ensures you get the exact sound quality demonstrated. loading is available in two versions in the form of midi and SYSex.

Features:

Enveloping Atmospheres
Atmospheric Pads
Mesmerizing Fx
Ethereal Pads
Intricate textures
Soundtracks Ambient

Made by A.Kav"

HWJ - 909 DAY - SNARE DRONE


video upload by FL3SHB4CK

"Hardaware Jam Challenge: 909 DAY

909 Day? OK, let's make it a drone!
909 kick & snare from Plaits
Everything else from Oneiroi

Recorded live thru Syntakt inputs with delay and reverb"

Buchla Thunder Tactile MIDI Controller SN 2059 w/ Original Box

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


via this Reverb listing

"This listing is for a very rare Buchla Thunder, Model 600, Tactile MIDI controller.

Less than 100 made, virtual unobtainium.

SPECS:

V 103120
Serial 1059
ACCESSORIES INCLUDED: Includes original box, users guide, Power adapter and memory cartridge

UNPACKAGED WEIGHT: 10 lbs.
UNPACKAGED DIMENSIONS: 22" x 16" x 6" "

Yamaha QX5 FD - vintage Midi Multitrack Sequencer

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


via this Reverb listing

"it’s minimal enough, but yet it provides tons of functionality, and it might be one of the most advanced midi sequencers of the era made.

it feautures 8 tracks with lots of editing/merging/seperating options.

and it features floppy drive to save anything!"

Kawai SX240 8 Voice Polyphonic Hybrid Synthesizer SN K-8963 w/ Extras

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


via this Reverb listing

Pics of the inside below.

"With Extras:

Tauntek O/S
Real Walnut side panels (very nice)
Pro-Serviced with new CR2032 battery this month (9/25)
Clean & pristine a true 9.9/10
Hard Case (case condition is Fair). not pictured
There were only a few hundred ever made of these!"

Waldorf Miniworks 4-Pole Desktop Filter SN 96310614

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


via this Reverb listing

Waldorf Microwave XT Rackmount Wavetable Synthesizer SN 830726390

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


via this Reverb listing

UDO Audio Super 6 12 Voice Keyboard Synthesizer Blue w/ Original Bag SN S614784

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


via this eBay listing

"UDO Super 6 Keyboard Synthesizer in Blue. It is like brand new and has never left the studio. Included is the synth, the power cord, the spiral bound manual, and the original bag it came with."

Jomox JazBase03 Analog Drum Synthesiser

Note: links to listings are affiliate links for which the site may be compensated.
video upload by Rec Gear Demos



via this Reverb listing

Pics of the inside below.

opsix: How to make a physical modeling string preset


video upload by Alec Sea

"In this video I'm showing you how to create a physically modeled plucked string preset from scratch on the Korg opsix.

00:00 - Start
01:34 - Adding a comb filter
02:24 - Adding the exciter (noise burst)
04:25 - Tweaking the envelopes
05:16 - Adding a sine wave
07:26 - Modulating the sine wave
09:12 - Adding Punch to the exciter
10:44 - Assigning poly aftertouch to pitch bend
13:14 - Assigning velocity to punch
17:28 - Adding effects
19:45 - Adding external effects
22:11 - Demos"

SERGE Modular Eurorack - Botanical


video upload by Serge Modular | Random*Source

"Teo checking out our new eurorack case (prototype) in massive American walnut."

Getting started with a Verbos Electronics System


video upload by Stazma

"Today I show you how to patch two sounds with my Verbos Electronics eurorac ksystem.

It will also be a good oportunity to talk about the modules, how I like to patch them, show of a few patches to demonstrate how all this can sound.

Have fun!!!!"

Intellijel Atlantis Modification Guide: How to Give the 'Mod' Slider Finer Controls


video upload by Lido Pigeon

"The Intellijel Atlantis is a truly great synthesizer and one of my all time favourites. However, I've always found it incredibly difficult to dial in a slight vibrato, without using external attenuation. After reaching out to Intellijel, I was guided about how I could possibly go about changing this.

The modification is not a massive one but it does make it much easier to dial in those sounds. It may be possible to get even finer adjustment with a different value resistor (I used a 2k one here) but this one works fine for my needs.

If you're thinking of trying it yourself, it's a fairly easy mod with a very easy soldering job. The only tricky bit was easing off the back panel but as long as you're gentle and take your time it should be fine.

Many thanks to Danjel van Tijn of Intellijel for all his help and assistance with this.

Background music by Lido Pigeon featuring the Intellijel Atlantis"

Organ demo 19/20: Elgam Ringo and Hohner bass pedals


video upload by organfairy

"Some people might argue that the Elgam Ringo is not exactly an organ, but it was sold as such, though back in 1978 everything that was polyphonic and had a divider based tone generator was generally considered an organ. (I will probably get mutilated by a mob of angry Polymoog owners now.)

It doesn't have a bass section, which I find quite odd given that it has a drum machine. I would rather have had a bass section. Therefore I am using it together with the mysterious Hohner bass pedals - mysterious because I seem to be the only person in the universe who has this set: Nobody seems to know anything about it.

Because this organ is very basic - five rhythms and four voices - I have made this demo shorter than the others, so there are only 5 songs against the usual 6-8.

The songs are:
Pennies from heaven (John Burke / Arthur Johnston)
Den rige og den fattige (Gustav Winckler / Bent Werther)
Mormors kolonihavehus (Erik Clausen / Leif Sylvester Petersen)
Tanze mit mir in den Morgen (Kurt Hertha / Kurt Göetz)
Wolgalied (Franz Lehar)"

Osmose Madness #1


video upload by noddyspuncture

M8 Tracker Model:02 MIDI SYNC with MU15 : Stroll 2025-09-15 by atnr


video upload by atnr

"A piece created with ‪@Dirtywave‬ M8 Tracker Model:02 and YAMAHA MU15. Electronica where repeating phrases gradually transform through filtering and glitch effects.

The MU15 is sequenced from the M8 via MIDI, with its output processed through ‪@strymon‬ NIGHTSKY for reverb and filtering.

The M8’s output is routed into the ‪@ChaseBlissAudio‬ MOOD MKII, where micro-loops are used to glitch the phrases."
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