MATRIXSYNTH

Saturday, May 23, 2026

ESP32-S3 Synthesizer development continued! Routing matrix fitted.


video upload by Bad Dog Designs

"Carrying on from the initial clip, the Synth has now got its routing matrix on the CAN bus, so I can assign various modulation sources ( LFO1 / LFO2 / ADSR / Velocity / Mod wheel ) to any global destination ( Resonance / Frequency / Level / LFO2 / Unison Detune ) or any of the parameters for any of the oscillators - up to a maximum of 12 separate routes.

It's also Stereo now, so each oscillator has Pan control as a new addition.
All the audio in the clip straight out the back of the DAC on the ESP32 :)

Next step, I've added an SD card to the ESP32 so there will be patch storage, and also the ability to change wavetables, as it currently just uses a single Sinewave generated at startup.

All open source, files on Github https://github.com/Bad-Dog-Designs/ES..."

Korg TR-Rack Demo


video upload by Panu M Savolainen

"Multitracked demo of Korg Trinity Rack. Only factory sounds and internal fx used.

Demo at Bandcamp:"


Roland SH-101 Analog Keyboard Synthesizer (Gray) w/ Mods

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


via this listing

Additional Perfect Circuit listings

Roland Juno-60 Polyphonic Analog Keyboard Synthesizer SN 303635

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


via this listing

Additional Perfect Circuit listings

Sequential Circuits Prophet 5 Rev3.0 Analog Polyphonic Keyboard Synthesizer SN 1697

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


via this listing

Additional Perfect Circuit listings

Yamaha FX-1 Vintage full size Dual 61-Key (one owner) good condition

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


via this eBay listing

"The Yamaha FX-1 Vintage full size Dual 61-Key is a rare and sought-after synthesizer with a unique feature: two 61-key boards plus a 32 mini-key third board. This semi-weighted keyboard offers a full pedal organ synth experience with MIDI input/output ports for connectivity. Made in Japan by Yamaha, this hybrid analog/digital instrument has a display screen for easy navigation. With only one owner and in good condition, this vintage gem is sure to delight any musician looking to add a piece of musical history to their collection. Includes stool and pedals. Not used in many years. Has been in dry storage."

Likely in a van down by the river...

Sonicware Liven 8bit Warps 27-Key Synthesizer Groovebox SN 010-000774

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


via this Reverb listing

Additional SYNTH CITY Listings

"● 8-bit waveform memory synth engine for creating a wide variety of sounds from Chiptune to Ambient

● Four distinct 8-bit waveform memory synth engines (Includes waveform editing with waveform capture function)

● Unique sound creation with aliasing noise on/off, detune and sweep functions

● 128-step sequencer with parameter locking

● 4-track looper for recording internal audio and external audio from the line input

● 10 effects and 6 reverbs (switchable to the Cassette tape simulator)"

Analog Trinity - Dreadbox Erebus, Nyx & Moog Mavis


video upload by Stefan Torto

"Jamming with Dreadbox Erebus, Nyx and Moog Mavis.
Sequencer Korg sq64, groovebox Roland mc101 and Korg NTS-1 as fx unit.
My music : https://stefantorto.bandcamp.com/
Get my sample packs : https://www.stefantorto.com/sample-packs
Website : https://www.stefantorto.com"

Lost gear: The coolest sequencer you have never heard of


video upload by The Sound Convergence

"Lost gear highlights modules that had some really interesting ideas but are not available anymore.

Today, we are looking at the ioLabs Flux and it's streamlined approach to time compression and expansion for trigger sequencing.

0:00 Intro
01:14 Basic Functionality
01:57 Time Bending!
02:44 Fine-tuning temporal compressions and other functions
03:43 Humanisation
04:10 Microtonality and Quantisation
05:16 Patch 1
05:50 Patch 2
06:20 Patch 3
06:44 As an oscillator
07:12 Final thoughts"

See the IOLabs label below for additional posts.

Dreadbox Artemis firmware update 1.2 – new BBD effects


video upload by Sinevibes

"Dreadbox Artemis firmware update 1.2 is coming very soon! And here's a preview of the new BBD resonator and BBD playground effects which we've added to its Sinevibes effects collection."
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