Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
"ARP 2600. Ultra rare Blue Marvin arp 2600. ( only 25 made ) serial n. 2
produced in early 1971
COMPLETE with also extremely rare ARP 3604 KEYBOARD"
SN badge appears to have 10211
Wednesday, March 26, 2025
1977 Oberheim SEM Synthesizers Information Booklet / Brochure
Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
"original Oberheim Electronics booklet with information about the SEM module loaded synthesizer models (TVS-1, FVS-1, EVS-1), accessories and the DS-2A sequencer. The booklet is in very good condition. Cool item for collectors or if you're a lucky owner."
via this Reverb listing
"original Oberheim Electronics booklet with information about the SEM module loaded synthesizer models (TVS-1, FVS-1, EVS-1), accessories and the DS-2A sequencer. The booklet is in very good condition. Cool item for collectors or if you're a lucky owner."
Gleeman Instruments Pentaphonic Clear Spec Sheet / Brochure
Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
"At the front page you'll find a short description and on the back side of this one-page item you'll find the specifications. A previous owner made two holes in the side to store it in a folder."
via this Reverb listing
"At the front page you'll find a short description and on the back side of this one-page item you'll find the specifications. A previous owner made two holes in the side to store it in a folder."
Ableton Air & Ciat Lonbarde Plumbutter 2
video upload by Akihiko Matsumoto
Sequencer: Ableton Air https://akihikomatsumoto.sellfy.store...
Delay: Shoegazer Reverse Gate https://akihikomatsumoto.sellfy.store... "Ableton Air
Inspired by Timeless Techniques
'Air' draws its inspiration from Brian Eno's Music for Airports and the concept of overlapping tape loops. This Ableton Max for Live plugin translates these ideas into a modern generative sequencer, enabling you to explore infinite musical possibilities without repetitive programming.
Effortless Note Generation
Forget the constraints of the piano roll. 'Air' generates notes autonomously, creating endless variations of melodies, rhythms, and harmonies. Your music becomes a living, breathing entity that evolves over time, making each moment unique.
Perfect for Experimental and Ambient Music
Whether you're crafting immersive ambient soundscapes, exploring experimental electronica, or composing intricate minimal music, 'Air' provides the tools to elevate your creativity. Its generative approach ensures that no two performances are ever the same, offering a fresh perspective with every playback.
Features Designed for Limitless Inspiration
Evolving Sequences: Generate infinitely unique patterns that never repeat.
Customizable Settings: Fine-tune parameters to align with your artistic vision.
Seamless Integration: Designed for Ableton Live users who value creativity and experimentation.
Create Music That Breathes
'Air' is more than a plugin—it's a partner in creation, designed for musicians who embrace unpredictability and seek to push boundaries. Unleash the power of generative composition and let your music take flight."
Hypnotic Vhikk X OP-XY synth album | Sketches for My Sweetheart the Drone
video upload by Jay Hosking
"A live synth album for your workday, performed on a small setup.
00:00 - Relatively abstemious
07:21 - Occulta semina
13:39 - Trees under Venice
22:15 - Anthropodenial
25:38 - Walsham
Buy the album here:
Sometimes you try something so inspiring that you have to record everything you can from it, as fast as you can. SKETCHES FOR MY SWEETHEART THE DRONE is a collection of songs all recorded live within a 48-hour period.
For all songs, it's the same hardware setup: the FORGE TME Vhikk X (our titular drone) with Teenage Engineering OP-XY (drums, bass, and synth). The goal was to keep the songs simple, hypnotic, and most of the synth parts are played live over simple drum and bass sequences.
The end result is (I hope) a simmering background album, perfect for your work, emails, reading, or otherwise living your life. Thanks for listening."
Also see: The most incredible drone synth ever played | Vhikk X by FORGE TME
An Experimental Groove Box: Herbs And Stones Mousse
video upload by HAINBACH
"Herbs And Stones Mousse is a cool oddball groove box: it looks stylish, sounds rich and is fun to play. Mousse and me had quiet the journey together though, as I became an unintentional beta tester. I put various pre-production units through their paces until Herbs and Stones arrived at a solid production unit. In this video I show the process that started in November and ended just now at the end of March. Use the chapters to jump to sound demos, patching tips, and my final thoughts."
00:00 Intro and Unboxing
00:49 Making A Track
03:53 Overview
07:04 No Talking Demos
14:02 Firmware Update For Tuning Fix
16:37 Unit 3 arrives
18:50 Patch Tips
25:08 Mouse with Eurorack
26:38 Final Thoughts
UDO Super 6 & Korg Monopoly Soundscape
video upload by the nightwater
"Quick soundscape using the UDO Super 6 and the Korg Monopoly. Bass is the Korg Minilogue."
Analogue Solutions TC5000 Synthesizer: "Drenched Sweeper" Sequence No. 301
video upload by Analogue Solutions
"Here’s a new sequence, 'Drenched Sweeper' from the Analogue Solutions #TC5000 Patch Pin Matrix Synthesizer—recorded with no external instrumentation, FX, or processing.
With the TC5000’s vast sonic range, no single video can fully showcase its capabilities. We’ll share more sequences to highlight different aspects of its sound design potential.
About the Patch:
The TC5000's pin matrix provides extensive routing options, allowing for highly intricate and dynamic patches. A single pin can introduce subtle nuances or completely transform the sound.
In fact, the complexity of just one patch could warrant an entire essay!
This sequence features multiple waveforms from 3 oscillators, 2 filter types, Dual EG module 5012, Sequencer, and the Preset Voltage module 5052 (randomized with noise), along with the Mix-Sequencer module 5100 (providing the pulsating effect) -- this module is essentially two 4-input mixers. The channels, however, can be muted/switched on/off in the sequencer, in time to either an internal or external clock."
BugBrand Introduces the Weevil 20/25
video upload by BugBrand
"A new Weevil to celebrate 20 years of BugBrand - the first regular production since 2015 and perhaps the first 'cased' version since around 2008!
Thanks to everyone who sent in pics of their old Weevils!"
via BugBrand
"I'm excited to present the new Weevil to mark 20 years of BugBrand and Weevils - it's the first regular production since the 2015 BoardWeevil and, I think, the first 'cased' design since 2008! Quite a change from the old cigar boxes of the early days ;)
The main listing for the 20/25 is here - I'm doing a run of 50 for now, which will be built up in batches of 10 over the coming months. The 2nd batch should appear in early April.
The overview video features a load of pics of old Weevils after the callout last time -- thanks so much to everyone who sent in pics & memories, it meant a lot to me 💚💚💚
Next week I'll do another mailout to mark the actual 20 years - stay tuned!
All best! Tom"


The core is a simple little circuit I found in a library book – a cymbal sound synthesiser made of some CMOS 4000 series logic gates to make squarewaves that are quasi-ringmodulated together. Back in my early days I was doing a lot of circuit bending, so I tried out adding power starvation and body contacts and discovered a deep & chaotic sonic world. This Weevil Heart has stayed pretty constant over the years while I’ve played extensively both with the surrounding circuitry and how to present an instrument. For example, the STEIM Cracklebox was always an inspiration as an almost acousitc electronic instrument that had to be played in a truly experimental manner. It has really been a case of iterative refinement and the developments nicely highlight how my build techniques have evolved.
The 20/25 Weevil is really quite similar to the last BoardWeevil of 2015 – we’ve got the 3 Oscillators, 2 RingMods and State-Variable Filter – but I wanted something cased so took the existing modular boxes and fashioned a new PCB frontpanel with accompanying side-cheeks that could hold a speaker, battery box and line output. Smart!
For further details, have a read of the Instruction Sheet & refer to the Block Diagram – but really the best way to learn is to dive in and experiment!"
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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