Monday, July 21, 2025
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: Auction links are affiliate links for which the site may be compensated.
via this eBay listing
via this eBay listing
1978 RSF Kobol
Note: Auction links 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!"
via this Reverb listing

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: Auction links 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."
via this Reverb listing



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."
90s Era Moog Modular 9501, 9502, & 9505 Modules
Note: Auction links are affiliate links for which the site may be compensated.
9501 VCO via these eBay listings
These appear to be Don Martin Moog modules. He owned the trademark in the US for a period of time before it went back to Bob Moog. He also made a Minimoog which became known as the Donimoog. Alex Winter owned the rights to Moog in the 90s in the UK, and produced the "Welsh Minimoog".
Descriptions from the listings:
"This listing is for one Moog Modular 9501 VCO module. This module is from the brief period of time Moog modules were being remade in the 90's. Check out the pictures to see the quality; this module looks to be missing a couple of the socketed components and a resistor (plus a few of the switches need to be soldered). I am unsure of the functionality as I do not own a Moog Modular to test it with but in general it looks great. The module still has plastic on the front panel. This module is sold untested and as-is."
"This listing is for one Moog Modular 9505 Reverberation Unit module. This module is from the brief period of time Moog modules were being remade in the 90's. Check out the pictures to see the state of the module. I am unsure of the functionality as I do not own a Moog Modular to test it with but in general it looks great. The module still has plastic on the front panel. This module is sold untested and as-is. "
"This listing is for one Moog Modular 9502 VCA module. This module is from the brief period of time Moog modules were being remade in the 90's. Check out the pictures to see the state of the module. I am unsure of the functionality as I do not own a Moog Modular to test it with but in general it looks great. The module still has plastic on the front panel. This module is sold untested and as-is."
9501 VCO via these eBay listings
These appear to be Don Martin Moog modules. He owned the trademark in the US for a period of time before it went back to Bob Moog. He also made a Minimoog which became known as the Donimoog. Alex Winter owned the rights to Moog in the 90s in the UK, and produced the "Welsh Minimoog".
Descriptions from the listings:
"This listing is for one Moog Modular 9501 VCO module. This module is from the brief period of time Moog modules were being remade in the 90's. Check out the pictures to see the quality; this module looks to be missing a couple of the socketed components and a resistor (plus a few of the switches need to be soldered). I am unsure of the functionality as I do not own a Moog Modular to test it with but in general it looks great. The module still has plastic on the front panel. This module is sold untested and as-is."
"This listing is for one Moog Modular 9505 Reverberation Unit module. This module is from the brief period of time Moog modules were being remade in the 90's. Check out the pictures to see the state of the module. I am unsure of the functionality as I do not own a Moog Modular to test it with but in general it looks great. The module still has plastic on the front panel. This module is sold untested and as-is. "
"This listing is for one Moog Modular 9502 VCA module. This module is from the brief period of time Moog modules were being remade in the 90's. Check out the pictures to see the state of the module. I am unsure of the functionality as I do not own a Moog Modular to test it with but in general it looks great. The module still has plastic on the front panel. This module is sold untested and as-is."
Roland PG-300 Synthesizer Programmer w/ Original Box SN 724987
Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
"This controls the Alpha Juno 1, 2 and MKS-50 synthesizers. It offers complete control over all editable parameters in an easy to use, well designed controller. Uses a standard Midi cable."
via this Reverb listing
"This controls the Alpha Juno 1, 2 and MKS-50 synthesizers. It offers complete control over all editable parameters in an easy to use, well designed controller. Uses a standard Midi cable."
Donner Music's Essential L1| Monophonic Analog Synthesizer Promo Video
video upload by Donner Music
"🎹 Introducing the Donner Essential L1 –Reimagining The Classic
Inspired by iconic monophonic subtractive synths, the L1 features a powerful 3340 VCO, 3109 low-pass filter, and 662 VCA, delivering incredible bass, lead, and more. Plus, experience the innovative Snap2Connect (S2C) System – connect supported devices like the KB-32M keyboard (sold separately) wirelessly with strong magnets, no cables needed. Desktop or keyboard? Swap interfaces effortlessly and elevate your sound! 🔥 "
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© 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