MATRIXSYNTH


Saturday, October 18, 2025

Arp Quadra

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via this Vemia listing

Click the auction link on top when you get there for additional listings.

Pic if the inside below.

"ARP - Quadra (s/n 24610170). In very good cosmetic condition. Not working, it does light up and some membrane switches change lights, but no output at all. 240V version - provide your own IEC mains lead. VEMIA can collect and pack: 36GBP."

Vintage Korg MS-20 Analog Semi-Modular Keyboard Synthesizer SN 141260

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via this listing

Additional Perfect Circuit listings

Korg 35 filter version
Tuned / calibrated

Teisco 100-F Synthesizer w/ Case & Patch Sheets SN 0648

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via this Reverb listing

"Teisco 100-F analog synthesizer. Includes original case and 11 patch program sheets"

Novation Supernova Polyphonic Rackmount Synthesizer SN 006363

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via this Reverb listing

RARE & modified Metasonix D-1000 Vacuum Tube Drum Machine

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via this Reverb listing

Future Retro Revolution very rare version

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via this Reverb listing

"This is a very rare silver Revolution rev2 limited to i think 9 made. Hand signed & numbered by the creator of Future Retro himself, Jered Flickinger & it was sold exclusively through Nova Musik at the time. Additionally, this specific one was previously owned by Chicago House DJ Derek Carter, a certificate of authenticity is included in the sale. As for the synth itself, the resonance, cutoff & volume pots are a little bit scratchy sounding & probably need a good contact cleaning at best or replacement at worst. Everything else functions perfectly..."

Yamaha QX1 – The MIDI Mothership - Digital Sequence Recorder

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via this Reverb listing

"The Yamaha QX1 is one of the most advanced and rare digital sequencers from the early 1980s, designed for professional studio use.

It features eight independent MIDI tracks, precise timing, and an exceptionally stable clock, making it a benchmark in early MIDI sequencing. Even today, it is valued for its reliability and straightforward, hands-on workflow.

The unit has passed all standard system tests, including a fully functional floppy drive.

Very good cosmetic condition: one small dent on the front panel (see photos) and a few minor scratches.

The display glass and screen are perfect, as are the keyboard and keypad.

Internally clean, with capacitors in excellent condition and very limited use over time.

Includes two floppy disks as a bonus.

A rare, well-preserved, and fully working piece of gear."

Ensoniq ASR-X Pro A

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via this Reverb listing

"Ensoniq ASR-X Pro with 8 outs and SD Card Reader. Knobs work great , small dent on the side but has no effect on the Machine."

Kodamo Mask1 - Unlock the secrets of the bitmask sequence: octave switching


video upload by j bowman ALL PROCEEDS TO MEDICAL AID FOR PALESTINE

"🔍 Unlock the Secrets of Bitmask Synthesis with the Kodamo Mask1! In this in-depth tutorial, we dive into the powerful octave switching capabilities of the Kodamo Mask1 – a revolutionary bitmask synthesizer designed for next-level sound design. Whether you're a synth enthusiast exploring new textures or a producer aiming for that viral sound, this video breaks down the bitmask sequence and shows you how to creatively manipulate octaves for stunning results.

🚀 Curious about the Kodamo Mask1EX? This tutorial lays the groundwork you’ll need to master both the Mask1 and the upcoming Mask1EX, giving you a head start on advanced synthesis techniques.

🎹 Perfect for fans of experimental synth workflows, hybrid synthesis, and anyone looking to push their sound design synth game into new territory.

👀 Don’t forget to like, comment, and subscribe for more synth tutorials, sound design tips, and deep dives into unique instruments like the Kodamo Mask1.

📌 Tags: Kodamo Mask1, Kodamo Mask1EX, sound design, bitmask synth, octave switching, synthesizer tutorial, synth workflow, viral sound design, experimental synthesis, bitmask sequence"

Quick&simple 4/4 on the DR-2


video upload by Modor Music

"Another DR-2 jam, a quick and simple 4 on the floor..."
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