MATRIXSYNTH

Monday, December 15, 2025

Sequential Fourm 37-Key 4-Voice Polyphonic Synthesizer w/ Original Box

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


via this Reverb listing

Erica Synths LXR-02 Drum Synthesizer

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


via this listing

Additional Perfect Circuit listings

E-mu E6400 Ultra Rackmount Sampler SN 079702096

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


via this listing

Additional Perfect Circuit listings

Dtronics DT-7 Yamaha DX7 Programmer

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via this Reverb listing

"Dtronics DT7 – controller for Yamaha FM synths such as DX-7, DX-5, TX-7, TX-802 & TX-816.

Functions and layout are modelled after the legendary 1980s Jellinghaus controller.

This unit is new, tested years ago and not used (studio activities stopped) Complete original set. Comes with its PSU."

rare BLUE korg 707 49 key fm synthesizer w/ Memory Card

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


via this eBay listing

"Gorgeous blue synthesizer. So cute and I hate to part with it but i've got my dream keyboard and don't have room for another. 4 operator fm synthesizer (yamaha chip) with the variable waveforms as seen in tx81z, dx100 etc. Easy to edit parameters with the slider, and there are performance sliders for both envelope times and timber. the keybed feels really nice and has aftertouch which can be routed to a handful of parameters. Selling the keyboard with the mcr-02 memory card which you can store extra patches on. A quirk of the 707 is that the memory card is for some reason required to reboot the synth if the internal backup battery dies (the battery that keeps the patches saved after power down). I put a fresh battery in recently so it shouldn't be an issue for years. I've also replaced the tact switches for the main cursor and value buttons; you rely on these heavily to edit patches and they wear out faster than the others. In terms of physical condition, there's a crack in the plastic screw hole on the back of the synth (pictured). i superglued this cracked piece into place so it's a little more sturdy. there's about 2 tiny scuffs around the perimeter but otherwise it's a beautiful bubbly vessel of periwinkle blue. there are posts on the side of the synth for a keytar strap if that's your thing."

MetaModule Tutorials: Chaos Patching


video upload by 4ms Company

"You can view the patch notes on our MetaModule forum here: https://forum.4ms.info/t/chaos-patchi..."

Modules Eurorack In Style! // BATHYMETER from Decapod Devices + Mega Modular Corp


video upload by DivKid

"Here we have the BATHYMETER from Decapod Devices & the Mega Modular Corporation. Bathymeter is a 4 channel human gesture recorded that takes voltages generator from slider movements, sets them to free run, loop, record and play to a clock, one shot and beyond ... and gives you access to creating anything from human motion LFOs, slider wobbling envelopes, manual gates, wonky Dilla humanised rhythm recording and even some glitchy audio processes. Lots to explore in the video, check the timing index and skip around below."

Torso S4 and Teenage Engineering OP-XY


video upload by Luca Longobardi

"Granular, granular, granular."

Sounds of Creative Chords Massive X Expansion | Native Instruments


video upload by Native Instruments

"Discover the sounds of our free holiday gift – Creative Chords. Play, explore, and spark new ideas this season with a harmony-driven Expansion for Massive X and the free Massive X Player.

Discover Massive X Player: https://www.native-instruments.com/pr...

Discover Massive X Player Expansions: https://www.native-instruments.com/en...

#NativeInstruments #MassiveX"

Korg Prophecy VST Plugin (Korg Collection 6) - No talking demo


video upload by ADL-MusicLab

"Hi, everyone!

In the 1990s, PCM synths were at their peak, but club scene artists were already searching for a more flexible, analog sound, hinting at the coming analog revival of the 2000s.

It was in this context that the Prophecy was announced in 1995, offering more flexibility and timbral capabilities than ever before heard. Defined by the cutting edge digital signal processing technology and a DSP chip formerly used exclusively for effects processing, the Prophecy Solo Synthesizer is now available as a software plugin, with the ease of use, polyphony, and modern features necessary for today’s music production.

KORG Collection - Prophecy, a legendary physical modeling synthesizer developed with the aim of offering freedom of expression beyond analog synthesizers and unprecedented sound creation possibilities, has evolved even further in its expressive capabilities. In version 1.5, the quirks of the hardware Prophecy can now be expressed even more precisely thanks to deeper creative input from the brilliant minds in the original Prophecy development team.

Version 1.5 also adds 180 new programs. This unique sound collection brings out the individuality of the Prophecy, ranging from fresh, software-only sounds to those that pay homage to the original Prophecy and pushes monophonic sound design to all new levels.

Prophecy for Mac/Win uses software to fully reproduce the original Prophecy’s MOSS (Multi-Oscillator Synthesis System) and is equipped with five of the seven total oscillator types:

Standard Oscillator for Analog Synth Sounds
Noise + Comb Filtering
VPM (Variable Phase Modulation)
Cross / Ring / Modulation and Sync
Physical Modeling (Brass Model Oscillator, Reed Model Oscillator and Plucked String Oscillator)


The sounds from each oscillator model can be processed using a nonlinear wave shaper. In addition to the oscillator and wave shaper sections, there is also a sub oscillator and noise generator.

Grab it! You won't be disappointed.

More info here:
https://www.korg.com/us/products/soft..."
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