Saturday, September 06, 2025
Modular synth jam featuring Mimetic Digitwolis with Stephen McCaul
video upload by Noise Engineering
"Chief Noisemaker Stephen McCaul drops the new Mimetic Digitwolis four-channel performance sequencer into his rig for an industrial jam for the weekend. Look closely and you might spot two.
More about Mimetic Digitwolis here:
https://noiseengineering.us/products/..."
Join us on Discord! Invite link: / discord"
Juno 106 chorus board rack conversion
video upload by Harry Axten
"Something I built for myself earlier this year after scoring the chorus board from a scrapped Juno 106 on eBay. Housed it in a 1U rack box with a power supply and controls for the chorus mode and high-pass filter. Works exactly as it does in the synth with 1 mono in and 2 stereo outs. Demonstrated with a Prophet 5 Rev 3.3."
"Patients Everyday" - Analog Radio, Noiseboxs, Novation Peak Synth, Arturia Pigments Synth
video upload by Mark Farrelly
"Live space ambient improvisation with an analog radio, two noiseboxs, Novation Peak synth, Arturia Pigments synth. Zoom MS-70 CDR for Radio delays. Valhalla Supermassive and Eventide Blackhole reverbs. Recorded and mixed live into Logic Pro."
Generative Melodies Just Got Easier
video upload by EZBOT
"Here's an interesting approach to using the built-in Euclidean sequencer in the Digitakt, Digitone, Syntakt, or Analog Rytm. This method gives you the freedom to generate melodies in scale, polyphonically, on all machines while still maintaining a sense of control. It's a ton of fun and the results are always useful for getting a track started."
EZBOT resources: https://www.patreon.com/ezbot, https://ko-fi.com/ezbot/, https://www.modbang.com
Korg multi/poly - "Neon Heart" 40 Performances (Soundset)
video upload by LFOstore
"We continue Korg Multi/poly soundsets series & present "Neon Heart" now is the time for Analog & Vintage Sounds!
Buy: https://lfostore.sellfy.store/p/korg-...
More Korg multi/poly presets: https://lfostore.sellfy.store/search/...
Works with hardware multi/poly and native plugin.
Welcome to the warmly vintage world!
40 performances ready to breathe new colors into your music and inspire creativity.
Discover warm polys, lush textures and basses.
Each performances in 'Neon Heart' is crafted with musicality and ease of use in mind, allowing you to integrate them seamlessly into your music projects.
Whether you're scoring a film, producing electronic tracks, or creating ambient soundscapes, these sounds will inspire and elevate your creative expression.
Enjoy the journey into the vintage sound world, and let the music guide you."
Rare Gear Demo: The Johnson Intonation Trainer (1966)
Note: Auction links are affiliate links for which the site may be compensated.
video upload by Instrument Attic
via this eBay listing
"The 1966 Johnson Intonation Trainer is a rare and intriguing instrument developed by the E.F. Johnson Company of Waseca, Minnesota. Originally designed to assess pitch-matching and pitch-discrimination abilities, this device has garnered attention for its unique features and potential applications in modern music production.  
One of the standout characteristics of the Johnson Intonation Trainer is its full polyphony, allowing all 37 keys to be played simultaneously. Each key is associated with its own oscillator, enabling microtonal adjustments and the exploration of unconventional scales and tunings. The instrument offers four distinct voicing options, ranging from basic sine waves to more complex, reedy tones. Additionally, the “Scale Selector” switch provides a choice between standard tempered tuning and a tunable mode, with individual “Tunable Scale Controls” corresponding to each note on the keyboard for precise pitch calibration.    
Housed in a robust fiberglass case, the Intonation Trainer features a built-in speaker, though it can also be connected to external amplifiers or mixers via standard 1/4” outputs. Some units include a vibrato effect, though functionality may vary between models. 
In contemporary settings, the Johnson Intonation Trainer has found a niche among experimental musicians and sound designers. Its ability to produce rich drones and facilitate microtonal exploration makes it a valuable tool for creating unique sonic textures. The instrument’s vintage analog circuitry imparts a distinctive warmth and character that is highly sought after in modern music production.
Due to limited production and the passage of time, functional units of the Johnson Intonation Trainer are exceedingly rare. Finding one in full working condition, complete with original documentation, is a remarkable discovery for collectors and enthusiasts alike. The scarcity of this instrument, combined with its unique capabilities, underscores its status as a treasured piece of audio history."
via this eBay listing
"Made in 1966 in Waseca, Minnesota by the E. F. Johnson Company. Originally designed as an ear training and intonation device, but in practice it is a unique fully polyphonic analog synthesizer with extensive tuning control. Very few were made, and surviving examples in this condition are vanishingly rare.
video upload by Instrument Attic
via this eBay listing
"The 1966 Johnson Intonation Trainer is a rare and intriguing instrument developed by the E.F. Johnson Company of Waseca, Minnesota. Originally designed to assess pitch-matching and pitch-discrimination abilities, this device has garnered attention for its unique features and potential applications in modern music production.  
One of the standout characteristics of the Johnson Intonation Trainer is its full polyphony, allowing all 37 keys to be played simultaneously. Each key is associated with its own oscillator, enabling microtonal adjustments and the exploration of unconventional scales and tunings. The instrument offers four distinct voicing options, ranging from basic sine waves to more complex, reedy tones. Additionally, the “Scale Selector” switch provides a choice between standard tempered tuning and a tunable mode, with individual “Tunable Scale Controls” corresponding to each note on the keyboard for precise pitch calibration.    
Housed in a robust fiberglass case, the Intonation Trainer features a built-in speaker, though it can also be connected to external amplifiers or mixers via standard 1/4” outputs. Some units include a vibrato effect, though functionality may vary between models. 
In contemporary settings, the Johnson Intonation Trainer has found a niche among experimental musicians and sound designers. Its ability to produce rich drones and facilitate microtonal exploration makes it a valuable tool for creating unique sonic textures. The instrument’s vintage analog circuitry imparts a distinctive warmth and character that is highly sought after in modern music production.
Due to limited production and the passage of time, functional units of the Johnson Intonation Trainer are exceedingly rare. Finding one in full working condition, complete with original documentation, is a remarkable discovery for collectors and enthusiasts alike. The scarcity of this instrument, combined with its unique capabilities, underscores its status as a treasured piece of audio history."
via this eBay listing
"Made in 1966 in Waseca, Minnesota by the E. F. Johnson Company. Originally designed as an ear training and intonation device, but in practice it is a unique fully polyphonic analog synthesizer with extensive tuning control. Very few were made, and surviving examples in this condition are vanishingly rare.
Michigan Synth Works Xena Hybrid Desktop Synthesizer (SVF)
Note: Auction links are affiliate links for which the site may be compensated.
via this listing
Additional Perfect Circuit listings
You can find demos of the Xena in previous posts here.
via this listing
Additional Perfect Circuit listings
You can find demos of the Xena in previous posts here.
Roland CR-8000 CompuRhythm Drum Machine SN 329214
Note: Auction links are affiliate links for which the site may be compensated.
via this listing
Additional Perfect Circuit listings
via this listing
Additional Perfect Circuit listings
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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
