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Tuesday, April 14, 2026
Genki Instruments Katla #4 | Winterdagen
video upload by Winterdagen
I can't get enough of these kind of gentle key patches on the Katla synthesizer! For this patch I used a similar approach to the previous one, using the self oscillating filter as a sound source. But this time I played with modulating the wave folder, which at times in the piece almost feels like an extra melody coming in. I also once again tuned one of the voices an octave higher than the other ones, for unpredictable octave jumps in the melody, I just love that so much on Katla! For the next patch I'll try a more distorted one, promise."
See the Genki label below for additional posts.
Sketchy Labs DS-3100 Fully Polyphonic Synthesizer, Part 1: The Beast
video upload by Doc Sketchy
"After stringing along my followers on Mod Wiggler, I have finally made a video demonstrating the core circuitry of my polyphonic synthesizer project, the DS-3100 -- my homage to the Korg PS-3100, but done in Doc Sketchy style, with PCBs laid out in Excel, fully handmade and based entirely on my own original circuitry."
See dealers on the right for pricing and availability on gear.
LABELS/MORE: DIY, Korg, New DIY, News, Sketchy Labs
LABELS/MORE: DIY, Korg, New DIY, News, Sketchy Labs
USING AN EAR MODEL 24 HEISENBERG AS SAMPLE & HOLD
Introducing Cosmic Debris from WMD and Infrasonic Audio
video uploads by WMDevices
"Cosmic Debris is a powerful delay and reverb engine built for modular explorers who want more than just echoes. With 16 interactive delay lines, multiple performance modes, and a design tuned for live use, Cosmic Debris can move from precise rhythmic repeats to infinite atmospheric washes in an instant."
Playlist:
1. Introducing Cosmic Debris from WMD and Infrasonic Audio
2. 3 patches with WMD Cosmic Debris
3. WMD Cosmic Debris - In-depth overview and tutorial
See additional posts featuring Cosmic Debris here.

"A collaboration born in the Denver modular community
Cosmic Debris began as a design by Nick Donaldson of Infrasonic Audio, a fellow Denver modular enthusiast we met through our monthly Freq Boutique gatherings. Nick approached WMD for advice on manufacturing, and as soon as we heard the sounds he was creating, we knew there was something special.
From there, the collaboration took off. We worked closely with Nick to refine the design, bringing in ideas to expand the feature set, streamline performance controls, and ensure the module would be rock-solid for production. The process has been as rewarding as the results: not only has Cosmic Debris grown into a truly versatile delay and reverb processor, but we’ve had the joy of building a deeper friendship through the design journey.
Cosmic Debris is a powerful delay and reverb engine built for modular explorers who want more than just echoes. With 16 interactive delay lines, multiple performance modes, and a design tuned for live use, Cosmic Debris can move from precise rhythmic repeats to infinite atmospheric washes in an instant.
At the core, Spray transforms traditional delay taps into massive ambient reverbs, while Scatter reshapes the feedback paths and interactions between lines to create ever-changing textures. Time and it's shift function SLEW take traditional modulation and flip it on its head with huge risers, crossfading delay time changes, and hands on control over the energy of the sound caught in the buffers.
A built-in band-pass filter lets you carve space in the mix or push the signal into motion with CV modulation.
Cosmic Debris is designed with performance at its heart. Blast delivers a momentary boost into the delay input as well as 100% send level (in send mode) for explosive bursts of sound with natural tails, while Send Mode turns the Mix control into a CV-controllable send/return level, perfect for insert-style processing.
Flexible sync options include clock input, tap tempo, or free-running mode, keeping you locked in rhythm or drifting into uncharted time. A dedicated Freeze function captures audio into a timeless loop, letting you hold textures indefinitely.
Three unique processing modes, Blur, Ratio, and Warp, expand the palette even further, from smearing reverbs to pitch-shifted delays. Combined with its intuitive interface and deep modulation capabilities, Cosmic Debris is equally at home in a live performance rack or a studio sound-design system."
See dealers on the right for pricing and availability on gear.
LABELS/MORE: eurorack, Infrasonic, WMD
LABELS/MORE: eurorack, Infrasonic, WMD
Twin peak filter patching with Nekyia Circuits Ceremony
video upload by Tom Churchill
"Nekyia Circuits’ Ceremony is a dual filter and resonator based on Rob Hordijk’s Twin Peak design, which can morph from a single lowpass filter to a twin bandpass. It has bags of character, whether you’re filtering your oscillators or using it as a unique voice of its own. Nekyia Circuits hired me to create some patches to show what Ceremony can do, and in this video I break down various ways to use it."
Chapters:
00:00 Intro & patch previews
02:03 Controls overview
03:16 Lowpass mode
05:25 Twin bandpass mode
12:27 Wind FX and noise drones
15:06 Adding harmonics to sines
19:17 Synthesising hi-hats and percussion
24:05 Pinging & FM for techno loops
26:44 Adding character to digital chords
See dealers on the right for pricing and availability on gear.
LABELS/MORE: eurorack, Nekyia Circuits
LABELS/MORE: eurorack, Nekyia Circuits
Tape Loops, Microcosm and Prophet 6. Ambient music.
Bass Station II AFX Edition PRESETS
video upload by Woody Piano Shack
"Deno of the NOVATION BASS STATION 2, trying the fabulous Aphex Twin AFX presets, bass and lead sounds!"
MORE WOODY PIANO SHACK
► https://woodypianoshack.com
See dealers on the right for pricing and availability on gear.
LABELS/MORE: MATRIXSYNTH Members, Novation
LABELS/MORE: MATRIXSYNTH Members, Novation
Off Program
video upload by Valhalla Vegas
GS Music e7 & Conductive Labs NDLR V2. Anyone ID the box on the right?
See dealers on the right for pricing and availability on gear.
LABELS/MORE: Conductive Labs, GS Music
LABELS/MORE: Conductive Labs, GS Music
The Sound That Shaped Music | Minimoog Model D | Bob Moog Tribute Edition
video upload by Moog Music




"A Limited-Edition Piece of Synth History. https://inmusic.to/y65ybz6e
In 1970, the Minimoog Model D redefined modern music-making as the first portable, performance-ready analog keyboard synthesizer—bringing the Moog sound to artists worldwide. This tribute edition honors that legacy and the visionary spirit of Bob Moog.
For artists like Gary Numan, Jimmy Jam, and Mark Mothersbaugh, the sound of the Minimoog Model D was a catalyst. Loved for its warm, analog tone and intuitive, straightforward design, this timeless synthesizer’s influence transcends genres and generations. Its distinctive basses, soaring leads, and classic filter character established the Model D as the archetype of what artists and listeners still imagine when they think of the synthesizer.
This limited-edition production run features a custom quartersawn oak wood enclosure, a unique back-panel decal, and an included SR Series travel case, along with 100% analog circuitry and all the modern functional enhancements from the instrument’s 2022 release.
To honor Dr. Bob Moog’s legacy and impact on modern music technology, $500 from each unit sold will be donated directly to the Bob Moog Foundation, supporting the Moogseum, Dr. Bob’s Sound School, and the preservation of the Bob Moog Foundation Archives.
Learn more about the Bob Moog Tribute Edition Minimoog Model D: https://inmusic.to/y65ybz6e
Video featuring:
Gary Numan
Jimmy Jam
Danz CM / Synth History
Heavy Mellow
Mark Mothersbaugh
Michelle Moog-Koussa
Lamar Mitchell"
"A Special Run of an Iconic Instrument
We designed this limited-edition production run with intentional details that commemorate Bob Moog's earliest synthesizer models. The instrument features a custom badge that uses a metal photo-anodization process, which harkens back to the modular panel graphics found on the System 55, System 35, and Model 10 synthesizers, as well as select early R.A. Moog Co. Minimoogs. The instrument features a custom quartersawn oak wood enclosure, a unique back-panel decal, and an included SR Series travel case, along with 100% analog circuitry and all the modern functional enhancements from the instrument’s latest reissue.
Each Bob Moog Tribute Edition Minimoog Model D synthesizer is assembled by hand in our North Carolina production facility, and only 500 in total will be built by our small team."
See dealers on the right for pricing and availability on gear.
LABELS/MORE: BMF, Interviews, MOOG, New Synths, News
LABELS/MORE: BMF, Interviews, MOOG, New Synths, News
PPG Wave 2.3 w/ New Display
Note: links to listings are affiliate links for which the site may be compensated.
via this eBay listing
This one was spotted and sent in via
M Me.
"The Ultimate PPG Wave 2.3 – Serviced & Refurbished – Collector's Condition
via this eBay listing
This one was spotted and sent in via
M Me.
"The Ultimate PPG Wave 2.3 – Serviced & Refurbished – Collector's Condition
Waldorf Protein - "Horizontal" Soundset 40 Presets
video upload by LFOstore
"40 handcrafted presets for the Waldorf Protein synthesizer, built around its powerful wavetable architecture to deliver rich, layered, and evolving sounds.
BUY: https://kav-sound-explorer.sellfy.sto...
Protein's unique approach to wavetable synthesis opens up a vast sonic palette - and "Horizontal" explores that space with a focus on texture, movement, and atmosphere.
'Horizontal' is tailored for ambient, cinematic, electronic, and experimental music production.
Whether you're sculpting immersive soundscapes or adding subtle movement to your compositions, these sounds bring depth and emotional weight to your work.
Synth leads, basses, sequences, evolving textures, FX, and hybrid tones
Designed for cinematic, ambient, and experimental contexts
Works seamlessly in both professional and creative production workflows
What's included:
40 Layer with detailed loading instructions.
All sounds are presented as dry demos - no external effects or post-processing applied - so you can accurately evaluate each preset using Waldorf Protein's own effects section.
by A.Kav"
See dealers on the right for pricing and availability on gear.
LABELS/MORE: MATRIXSYNTH Members, Waldorf
LABELS/MORE: MATRIXSYNTH Members, Waldorf
AMALGAME 16 FREE Pressets
video upload by DATABROTH
"Grab them here: https://databroth.gumroad.com/l/wdikrb
Read my review of Amalgame here: https://www.databroth.com/blog/amalga..."
See dealers on the right for pricing and availability on gear.
LABELS/MORE: Inner Display, MATRIXSYNTH Members, Soft Synths
LABELS/MORE: Inner Display, MATRIXSYNTH Members, Soft Synths
Casio FZ-1 multi-looping
video upload by Collector Current
Collector Current Casio FZ-1 posts
"The Casio FZ-1 lets you define up to 8 loop segments per sound. The arrangement of the segments is very flexible. You can even jump backwards!"
Blog: https://blog.jacobvosmaer.nl/
Music: https://music.jacobvosmaer.nl/
See dealers on the right for pricing and availability on gear.
LABELS/MORE: Casio, MATRIXSYNTH Members
LABELS/MORE: Casio, MATRIXSYNTH Members
Erica Synths Hexdrums Analog Drum Machine
Note: links to listings are affiliate links for which the site may be compensated.
via this listing
Additional Perfect Circuit listings
via this listing
Additional Perfect Circuit listings
See dealers on the right for pricing and availability on gear.
LABELS/MORE: Auctions, Erica Synths, Perfect Circuit
LABELS/MORE: Auctions, Erica Synths, Perfect Circuit
Korg Electribe EA-1 MKII Analog Modeling Desktop Synthesizer
Note: links to listings are affiliate links for which the site may be compensated.
via this listing
Additional Perfect Circuit listings
via this listing
Additional Perfect Circuit listings
See dealers on the right for pricing and availability on gear.
LABELS/MORE: Auctions, Korg, Perfect Circuit
LABELS/MORE: Auctions, Korg, Perfect Circuit
Korg M50 61-Key Music Workstation
Note: links to listings are affiliate links for which the site may be compensated.
via this listing
Additional Perfect Circuit listings
via this listing
Additional Perfect Circuit listings
See dealers on the right for pricing and availability on gear.
LABELS/MORE: Auctions, Korg, Perfect Circuit
LABELS/MORE: Auctions, Korg, Perfect Circuit
Kawai K5M Rackmount Digital Synthesizer Module
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
Additional SYNTH CITY Listings
"The Kawai K5m is a late-80s rackmount digital synth that uses additive synthesis to create complex, evolving sounds from many harmonics. Its very powerful, known for shimmering, metallic textures and deep sound design potential.
Could be that studio sleeper you’ve been looking for. Tested in great working condition overall with mild rack rash."
via this Reverb listing
Additional SYNTH CITY Listings
"The Kawai K5m is a late-80s rackmount digital synth that uses additive synthesis to create complex, evolving sounds from many harmonics. Its very powerful, known for shimmering, metallic textures and deep sound design potential.
Could be that studio sleeper you’ve been looking for. Tested in great working condition overall with mild rack rash."
1978 Baldwin DS-50 Discoverer 49-Key Synthesizer/Keyboard Organ SN 2802925
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
Additional SYNTH CITY Listings
"The Baldwin Discoverer is a home electric organ designed for beginners, featuring built-in rhythms, preset sounds, and onboard speakers. Fully analog with a mellow, vintage tone, it’s a fun and inspiring little machine that can even play chords, and looks right at home next to a classic chair with those beautiful retro colors. Includes original 2-prong power cable."
via this Reverb listing
Additional SYNTH CITY Listings
"The Baldwin Discoverer is a home electric organ designed for beginners, featuring built-in rhythms, preset sounds, and onboard speakers. Fully analog with a mellow, vintage tone, it’s a fun and inspiring little machine that can even play chords, and looks right at home next to a classic chair with those beautiful retro colors. Includes original 2-prong power cable."
1978 Univox Maxi-Korg K-3 (Korg 800DV) - Serviced SN 76006
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
Additional SYNTH CITY Listings
via this Reverb listing
Additional SYNTH CITY Listings
Ensoniq Fizmo Transwave Digital Synthesizer
Note: links to listings are affiliate links for which the site may be compensated.
via this eBay listing
via this eBay listing
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MATRIXSYNTH - EVERYTHING SYNTH
© 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














































