MATRIXSYNTH


Monday, December 15, 2025

Korg Polysix PS-6 Analog Synthesizer SN 461833

Note: links to listings are affiliate links for which the site may be compensated.
video upload by Liam

"This unit is currently available for sale on Reverb, Ebay and local selling websites. If the listings are up, it's still available."



via this eBay listing, also on Reverb

"Original Korg PolySix from 1981 in Very Good condition, everything working, no yellowing. Originally bought from Japan.

No MIDI upgrade. All original hardware. Every key works with no problems and every function throughout the entire unit is in good working condition.
Wood panels in good condition, natural wearing on some corners and a few nicks on the bottom but overall very good for it's age.
Metal panel on front has light scratch on the left side (pictured) and a few nicks on the edges towards the back, but overall nothing huge cosmetically. Key bed in good shape, almost mint condition. Used very lovingly for about a year, many recordings done with it.

It's very good for gritty 80's sounds, people often compare it to the Juno but I'd more so compare the sound to that of something by Sequential Circuits like the Prophet series, with a key bed that feels like a Juno, while any remaining character is completely it's own. It even gives some effects to play with that come from the turn of a knob, letting you enable Chorus, Phaser, or both while letting you change the intensity via the knob next to it.

I've included a demo of what this particular unit sounds like, playing Eyes by Clio, produced by Roberto Ferrante who also used only a Korg Polysix for the synth tracks.

Some other notable uses of this synth off the top of my head are Faces (Clio, 1985), Start Of The Breakdown (Tears for Fears, 1983), Subways Of Your Mind (FEX, 1984), Till The End Of Time/Animal In Me (Affair, 1984), Under The Ice (Topo & Roby, 1984), and just any underground European artists from the early 80s."

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

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


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"
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