MATRIXSYNTH


Monday, July 21, 2025

FM Radius by Koma Elektronik


quick demo/review video upload by Meska (Meska)

"Quick demo/review of the FM Radius by koma elektronik
RTFM: https://koma-elektronik.com/new/wp-co..."



"The FM RADIUS is a CV-tunable radio receiver capable of receiving radio broadcasts on the FM bands. It provides the user the ability to catch radio transmissions for further manipulation.

The CV Radio is capable of catching the strongest broadcasts without any external antennas but for better reception, an external antenna should be used.

Use it as a crazy oscillator, infinite sample generator or just listen to the news during your office break."

WORNG Electronics Quiver LFOs


video upload by WORNG Electronics

"Four analogue LFOs drive the modulation of Quiver, with cycle times varying from 33ms to over 35 minutes. They're controlled with a Rate macro and CV, and the three slowest LFOs each have an additional CV control for further control. This patch demonstrates the various LFO outputs by modulating the cutoff of a Parallax filter."




Quiver Analogue Modulation Toolkit

Quiver is a 100% analogue patch-programmable modulation powerhouse. Quiver’s 16 input, 18 output interface contains:
- Four triangle core LFOs with macro control, individual CV control, and cross
modulation
- Analogue wave folder/saw phase shifter
- Full wave rectifier
- Analogue noise source
- Voltage comparator
- Sample and Hold
- Analogue Min/Max
- A three input, six output Modulation Cube based on the acclaimed Vector Space
circuitry

When left unpatched the different processors flow from one to the next with cleverly designed normalling, giving 18 modulation sources to use throughout your system.

Quiver is the perfect quiver of essential modulation basics to get your modular system started, or to add a high quality, fully patchable, modulation workstation to your existing system.

When designing Quiver we asked the question 'What collection of CV processors can greatly expand the capacity of every modular system?' and then carefully chose normalled connections and added four analogue LFOs to drive them. The result is like a mini modular system in itself, creating complex evolving modulation that never repeats, but is able to be quickly reconfigured with a patch cable or two.

HAPAX 2.20 – MIDI DRUM PATTERNS IMPORT/EXPORT


video upload by Squarp instruments

"✨ Hapax just got even more powerful!

Hapax OS 2.20 brings a host of new features, improvements, and bug fixes—but the standout addition is the ability to import and export MIDI drum patterns.

This opens up exciting new workflows for integrating the Hapax with your DAW or other gear.

In this video, I walk you through how the new drum pattern features work, and give you a taste of a few patterns we put together to help you get started. Whether you're building beats from scratch or integrating with your DAW, this opens up a whole new range of creative possibilities.

If you're a Hapax user—or considering becoming one—this update is definitely worth checking out."

🕘 Timestamps
0:00 Intro : jam
1:40 How to export a pattern
2:00 How to import a pattern
2:47 How to mix & match patterns

Hainbach Introduces outta-control Italian Synths!


video upload by Anthony Marinelli Music

"When I visited Hainbach at his amazing studio in Berlin, and he introduced me to a whole new world of sound—rare Italian synths that completely reset my thinking. The Farfisa Polychrome is hands down the best string machine I’ve ever heard, with rich choir and synth textures and a built-in phaser that sounds like no other effect I’ve used. The Webo Welson (late 70's) is a rockin’ beast with ripping oscillators, tearing portamento, and beautifully saturated presets that just ooze character. And then there’s the Realton Variophon Gig—a breath-controlled synth that lets you shape the timbre with your mouth. It’s expressive, has rich variable noisy modulation goodness, and is unlike any vocoder or synth I’ve ever played.

Hainbach really opened my ears to a sound palette I didn’t even know existed. He’s a very generous to hang with, and I left his studio totally inspired to create new music. You will too."

Syntrx 2 Tutorial - ON THE RUN


video upload by SMV Producer

"Sound banks available for purchase at: https://gumroad.com/smvproducer

Other links:
Bandcamp : https://sergiomassimilianovarvazzo.ba...
Instagram: / smv_producer
Smartlink: https://ffm.bio/smv_producer"

Lacrima Versio: A Filter with Gritty Attitude


video upload by Metamyther

"In this deep dive, we explore Lacrima Versio, the underrated gem in Noise Engineering's Versio universe. Designed for Eurorack synth power users, Lacrima is a stereo state-variable filter with built-in saturation, audio-rate modulation, envelope following, and lush chorusing. Inspired by the iconic Mutron III guitar pedal, this module channels vintage autowah energy into modern industrial techno and experimental electronic music contexts. Whether you're building gritty textures or making your oscillators scream, this video demonstrates why Lacrima will be your essential secret weapon. Perfect for modular synth heads, electronic producers, and anyone obsessed with hardware sound design. Watch, patch, and rediscover filtering – with attitude."

How to use the Mixer from SurgeXT in VCV Rack


video upload by Omri Cohen

"You can find this patch, along with many others, available on my Patreon page - / 133341276
Here you can find the document of tips and tricks - / 119073839"

Introduction - 00:00
Mixing waves - 00:22
Ring modulation - 07:46
Mixing modulation - 16:16
Mixing envelopes - 20:24

Technics SX-WSA1R Acoustic Modeling Rackmount Synthesizer w/ Original Box

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


via this eBay listing

1978 RSF Kobol

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


via this Reverb listing

"Here is a rare occasion to buy a RSF Kobol and in full working condition. Internal battery has been replaced. Cosmetic condition as per the pictures, close to excellent apart from the cracks due to its age. It comes with its original paper manual (not in the pictures). The RSF Kobol is one of the very best vintage monophonic synths ever designed with its distinctive powerful and precise sound and one of the sexiest User Interface ever designed. Plus it has 16 memory slots and the ability to sequence these slots making it one of the most powerful sequencers of its time. You can trigger it from any 5V clock (eurorack standard).

In addition to the original paper manual this Kobol also comes with a very sturdy, very heavy (27 kgs !!) custom wooden box with foam inside, however you can have the it shipped without the case if you prefer so, since the case alone weighs more than twice the synth itself!"

Sequential Circuits PROPHET 10 Rev3 Dual Manual 10-Voice Polyphonic Synthesizer

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


via this Reverb listing

"The rare flagship holy grail of all Sequential Circuits synths!

The mighty dual manual PROPHET 10!

Priced right to sell quickly, the Prophet 10 is literally TWO Prophet 5's in one synth with extra abilities such as layering, bi-timbrallity, alternating notes between upper and lower voices etc.

This rarely seen monster analog synth is by far one of the fattest and nicest vintage synthesizers. The Prophet 10 is simply two glorious Prophet 5 synthesizers stacked together. That gives 10 voices with 20 of Sequential's unique analog VCO oscillators at 2 per voice for a big fat analog dream!

20 oscillators (2 per voice), 10 voices, 2 independent 61 note keyboards and all the great sounds and editing facilities as the Prophet 5! Built in Tuning tones and Auto-Tuning functions help make sure you won't go out of tune. And top notch circuitry and design prevent overheating. Multiple keyboard modes allow for true flexibility for different performance / voicing needs! The Prophet 10 is a truly fat and classic analog instrument.

This synth has been fully serviced, recapped including the tantalum caps, restored and has Wine Country Sequential's MIDI added! Even the front panel nameplate is in perfect condition which is rare on these. The sequencer works as it should too, although I never really used it but I have played around with it. I do not know if the micro-cassette tape drive works, I dont have any tapes and have never tried it.
The synth will be well packed and shipped in a new custom made road case, Local pickup in San Antonio, TX can be arranged. There are no returns or refunds on this item.

Dual Manual: The Prophet-10 has two keyboards, 5-octaves each, allowing for independent performance or layering of sounds.

Bi-timbral Operation: This feature allows the user to play two different sounds (programs) simultaneously, either layered on top of each other or split across the two keyboards.

Two Prophet-5's in One: Essentially, the Prophet-10 was designed as a dual-version of the Prophet-5, offering double the voices and the ability to combine sounds in unique ways.

Voice Allocation: Each manual controls five voices of the ten-voice synthesizer. When using the bi-timbral mode, each program gets its own five voices.

Applications: This allows for creating thick, layered pads, split keyboard performances with bass on one manual and leads on the other, or any combination of sounds from the two synthesizer banks."

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