MATRIXSYNTH

Saturday, May 23, 2026

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."

HARMONICONSTELLATION - OVERVIEW


video upload by A Magic Pulsewave

"MIDI EXPANDER, HARMONY COMPUTER, AND PRESET SYNTH FOR AMP DEVICES. www.melodyoracle.com

HARMONICONSTELLATION is a 3 channel AMP LINK to MIDI expander and harmony computer, with built-in three channel preset synthesizer. Converts AMP Obliquencer, Melody Oracle, Touch Tones, and Star Song to 3 channels (or up to three voices on one channel) of MIDI control signal.

Master settings control root note and mode, to format the incoming AMP control stream to a set of MIDI note values within a specified scale (9 harmonic modes over the full chromatic range). Each channel has Octave and Harmony Offset settings, creating spontaneous harmony to the incoming note stream, within the scale set by the master settings. CV inputs (0-3.3v, diode protected) for Octave and Harmony Offset on each channel allow modulation from Obliquencer CV outputs or other CV sources. Octave and Harmony Offset selectors become CV attenuators when jacks have been patched.

HARMONICONSTELLATION outputs MIDI master clock if connected to Obliquencer or Melody Oracle, allowing MIDI sequencers and drum machines to sync.

Each TRS MIDI output carries all three internal channels over MIDI, and each channel can be routed to any of the 16 MIDI channels using the recessed touch controls.

Built-in polyphonic, multi-timbral synthesizer output creates an audio preview of your sequences without needing to connect an external MIDI synthesizer. 16 preset sounds, with a variety of waveform and envelope profiles, correspond to the MIDI channel settings.

Multiple HARMONICONSTELLATIONs can be chained to control additional synthesizers. Can also be chained with AMP Expandoor and Wave Expander.

SPECIFICATIONS:
Connection: Shielded connector RJ45, ethernet cable.
Dimensions: 8.66” x 5.25” x 3”
Power: Bus power, no additional power supply required
MIDI Output 3.5” TRS Type A
CV inputs: 3.5mm 0-3.3V unipolar diode protected."
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