Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
"Beautiful module in perfect working shape. Sounds amazing. Very little signs of wear. Check my listings for other interesting buchla modules."
SAModular's clone of the Buchla 259. You can find a demo of the original posted back in 2007 here.
Wednesday, April 30, 2025
SAModular Buchla Format Complex Waveform Generator
Second Sound Unisyn
Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
"Second Sound Unisyn. The UniSyn is the best standalone audio to synth solution out there today. It converts your monophonic audio, even vocals, to synth waves (sine, square, or sawtooth), pitch/env/gate CVs to control analog synths, or MIDI. I am selling gear I no longer use, to cover medical bills."
You can find a demo and details here.
via this Reverb listing
"Second Sound Unisyn. The UniSyn is the best standalone audio to synth solution out there today. It converts your monophonic audio, even vocals, to synth waves (sine, square, or sawtooth), pitch/env/gate CVs to control analog synths, or MIDI. I am selling gear I no longer use, to cover medical bills."
You can find a demo and details here.
Waldorf 2-Pole Analog Filter
Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
via this Reverb listing
Clavia NORD LEAD (1995). Toujours une référence ?
video upload by Good Sound
Click CC at the bottom of the player for subtitles.
"Presentation of the legendary 1995 Clavia Nord Lead 1. The first model in the Nord Lead range, it became a benchmark in virtual analog synthesizers.
Demonstration and use of the synthesizer. My feedback, advice, and personal opinion.
2:04 History, presentation
4:14 Weak points
5:24 Audio outputs, presets
6:21 Sounds
8:46 Arpeggiator
9:47 Polyphony
13:48 Conclusion"
EP02 : EFFECTS MODE 🟥 HERMOD+ TUTORIALS
video upload by Squarp instruments
Squarp instruments Hermod+ tutorials
"In this episode, we’re diving into the Effects section of Hermod+ — breaking down each track and using them to walk through some key concepts.
You will learn how to :
Add an effect
Edit via click/or hold pad
Hold enc to access contextual menu : copy/paste and delete
Mute/Unmute effects : GLOBAL MUTE vs PATTERN MUTE
Pattern values (hold encoder and scroll)
ModMatrix source = CV + CC
ModMatrix source = MOD/MOD1/MOD2/MOD3
ModMatrix attenuverter/direction/offset
All the shortcuts used in this video are listed here :
🏃♀️ https://squarp.net/hermodplus/manual/...
SERGE INORI // Saigon 1975
video upload by Dexba
"50 years since the end of the war that showed the world how foolish wars are.
It's not a regional thing, it's not a sporadic thing: it's the core nature of war, that, finally, people were able to see towards the end of the Vietnam War.
When the plot gets so lost nobody even knows where they are going, who they are really fighting, what and why they are fighting, the blind brutality of the conflict becomes finally clear: the war for the war's sake.
This piece is an expressionist recording of the overstimulating nature of an armed conflict – there are helicopters, indistinctly passing by and falling, monkeys (who maybe were once humans?) screaming from the jungle, there is warfare, and it's relentless.
A quick note on the instrument: without my SERGE system, I would have never recorded this piece. It's hard to state if it came first the egg of wanting to record this genre of music or the chicken of my 4U modular, but the only unequivocal is that, to me, Serge means first and foremost an artistic legacy, and without even naming names, I always felt the pressure to make my time spent with the instrument worth a bit more than the quick enjoyment of some electronic strumming.
The freedom of the highest latitude of exploration possible with a SERGE instrument is what made it possible, having the confidence that my creativity, and my skills, were the only limiting factors in the equation, and I feel incredibly fortunate to be able to do this and share it with all of you."
ULT-SOUND Introduces DS-4M ProMuzer
Short Demo: Polyphonic Mode video upload by Freaky Tweaky
"I tried out the ULT-SOUND DS-4M ProMuzer, which is scheduled to be released in June.
The newly added Polyphonic Mode assigns voices using the round robin method, just like a typical polysynth, so by varying the settings of each OSC appropriately, you can enjoy kaleidoscope-like changes even with simple phrases. ✨ (Granular, Reverse, and Reverb are added in the DAW as post-effects)"
Check in with dealers on the right for upcoming availability. Note this is the ProMuzer version. A few non ProMuzer versions have shown up on Reverb in previous posts here.

"Introducing the Ult-Sound DS-4M ProMuzer, a modern reissue of Toyo Gakki's DS-4 analog drum synthesizer, available in a limited edition of only 50 units. This exclusive release features a sleek new design with a custom white front panel and black lettering, blending vintage charm with modern aesthetics. The DS-4M ProMuzer faithfully reproduces the second iteration of the ULT-SOUND DS-4 - while incorporating innovative upgrades to meet contemporary music production needs.
Some features of the original DS-4 have been retained in this reissue, and we highlight them here for those unfamiliar with the original design:
Body Synths Metal Fetishist Chrome Edition
video upload by Body Synths
"Here’s the Metal Fetishist Chrome Edition. It’s shiny but it sounds the same. Is that a bad thing? All the sounds in this video were created using it.
Limited Special Edition of 200. First batch of 100 starts shipping in a few weeks. Come to SUPERBOOTH25 to check it out in person, we'll be at booth W206.
We’ve been keeping this a secret since almost the beginning and trust me it wasn’t easy, this thing looks cool af."
Introducing the limited edition Infinite Digits Pikocore XL DIY kit by Erica Synths.
video upload by Erica Synths

"The Pikocore is a lo-fi music mangler based on the Raspberry Pi, developed by Zack Scholl. The original DIY kit comes in a miniature pocket calculator formfactor, but we at Erica Synths wanted to make it more playable, so we reached out to Zack and developed Pikocore XL version that has identical functionality, but comes in Erica Synths signature hands on user interface and proper aluminum enclosure. Infinite Digits Pikocore XL by Erica Synths is a full DIY kit that includes all components to build an instrument and put in in action straight away."
Vangelis The Bounty Theme ~ Vintage Synthesizer Cover
video upload by RetroSound
"(c)2007-25 by RetroSound
supported by UVI: http://bit.ly/retrosound-uvi
❤️ Support #RetroSound channel: https://retrosound.creator-spring.com
My favorite theme made by Vangelis
The Bounty (Closing Titles) by Vangelis from the album The Bounty (1984)
Featured the E-MU Emax SE sampling synthesizer
This cover song series contains my own recreations of my favourite songs from the last 50 years. The original music from which I take inspiration belong to their respective owners. I recreate tracks only for personal passion and to pay homage to these tracks.
My intention is not to create covers that sound exactly like the original (if you want to hear identical sounds, please listen the original). It's more of an inspiration with my sounds from the old synthesizers from the past and of course the great appreciation for the original performers and producers."
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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