MATRIXSYNTH

Saturday, March 28, 2026

DSI Poly Evolver Keys (pot upgrade)

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via this Vemia listing

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

"Dave Smith Instruments Poly Evolver Keys. In very good condition, though a bit dusty and there are a couple of nicks on one of the side cheeks. There are also some dints in the paintwork beneath the keybed.
The serial number is 00883 which, if you trust Google, puts it as a very early production unit from around 2005. It's had the potentiometer upgrade. The original encoder boards are included. Everything works. The display is bright. Firmware versions: Main 2.0, Voice 2.1, DSP 3.0.

VEMIA can collect and pack: 18GBP."

Elektron SFX-6 Mk I rare keyboard

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via this Vemia listing

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

"Elektron Monomachine SFX-6, this is the original 'MK 1' version with keyboard and joystick. One of only a few hundred manufactured. Serial number 0704/185000 from the box, F70100381-55 from the sticker on the bottom of the unit. (Google tells me this is unit 381, made Jan 2007.) Firmware version is 1.32B. Original box with user guide and sticker sheet. All buttons, encoders, keys and joystick fully functioning. Display still very readable. I haven't replaced the battery in the ten plus years that I've had it but there are no warnings on startup. It's a little bit grubby, but then I've only ever dusted it!"

Moog Taurus 1 Pedals - Pro Serviced w/Restoration

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via this eBay listing

Additional Analog U.S. Listings

"This set is in very good condition and working 100%. It has just been professionally serviced and with some restoration. It has a custom foot-switch installed, so you will never need to clean the pedal contacts again. This modification (not visible) uses the original connector and has no ugly, irreversible holes drilled into the unit. It will be properly packaged when sold and will arrive in the condition as stated. Proof of the actual shipping cost will be provided if needed. Although this listing is marked as a US sale only, I will ship to most countries. If you're overseas and interested, please send me a message. Not sold as-is!

Cosmetically- Nothing is mint in my opinion and this one is no exception. Apart from chassis and pc boards being cleaned up, all of the black anodized screws have been replaced and the pedals have been cleaned/ polished.

Internally- Apart from any repairs, the unit has been disassembled and cleaned, all sliders, switches, jacks, and potentiometers have been cleaned, all electrolytic capacitors replaced including the power supply, the power supply rectifiers and voltage regluators have been replaced, some 4700 logic ICs replaced, some trimmers replaced, all screws and hardware tightened, has a new custom foot-switch assembly installed, and its been completely scaled & calibrated. I might be forgetting a few things so this may be updated."

Moog Minimoog - Early Oscillator Board - Rev 2 - LM3046

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via this eBay listing

Additional Analog U.S. Listings

Roland Boutique TR-08 Virtual Analog Drum Machine

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via this listing

Additional Perfect Circuit listings

Roland SH-4d Digital Groovebox + Desktop Synthesizer

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via this listing

Additional Perfect Circuit listings

Roland GAIA 2 Digital Keyboard Synthesizer

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via this listing

Additional Perfect Circuit listings

Serge Modular La Bestia III / Medusa - Ambient tape loop -


video upload by Laurent Hilairet

"Ambient Tape Loop & cross-modulated oscillators."

KORG Berlin phase8: first jam (full)


video upload by Freaky Tweaky

"My KORG Berlin Phase 8 finally arrived today!

It's quite sensitive to vibrations (almost as sensitive as a turntable), so I'm wondering if it would be difficult to use it directly in a club live performance. However, even just considering it for music production, I feel it's a special synthesizer. I really love it.

There's a real magic to the harmonic and pitch changes when you place small objects on it just right…

Next, I'm going to try playing it with a drum machine."

MPC Sample: Deep hypnotic techno. First attempt at a live jam


video upload by SynthDad

"I bought an MPC Sample for fun jamming so after a few hours of playing with it this is my first attempt at a deep hypnotic techno jam. Little rough around the edges in places, but hey that's live music for you!

Thinking about how I might pair it with a small portable modular setup. It's lacking some key features (step sequencer being one of them) but if I combine it with my Oxi One that's not an issue."
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