Jenny Ondioline for Complete Restoration

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via this Vemia listing

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

Pic of the inside back below.

"Rare French synth from 40 50's era : iconic Ondioline by Georges Jenny it is a complete one and will need full service (as usual for original Ondioline) pictures show cosmetics conditions A real great project for people who are looking to this great instrument Can ship all over the world in safe package Tubes will be dissassembled and wrapped in bubble paper, and all part well protected as requested for such iconic and fragile piece of musical instrument Vemia might be able to collect it directly from my studio according to their collect organization"

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Erik Norlander's Kawai K5000S 61-Key Digital Synthesizer

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video upload by moogfoundation

via this Reverb listing

"In excellent condition; everything works as it should! Hard to find in this shape.

The K5000S is a cult favorite from the mid-’90s, known for its powerful additive synthesis engine, warm pads, metallic textures, and full onboard sequencer. This is the “S” model, the more desirable model (compared to the K5000W) with extra knob-per-function interface for direct synth parameter access.

Highlights:

6-operator additive synthesis with deep harmonic control
16-part multitimbrality
32-track sequencer
Onboard effects including reverb, delay, and chorus
Responsive keybed with aftertouch
Backlit LCD and large panel for deep editing
A hidden gem in digital synthesis, the K5000 has been praised by artists like Jean-Michel Jarre and Björk’s producers for its haunting, otherworldly tones and expressive architecture.

30% of the sale supports the Bob Moog Foundation, helping preserve the history of electronic music and inspire new generations of creators."

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Erik Norlander's Dave Smith Instruments DSI Poly Evolver Keyboard SN 00533

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video upload by moogfoundation

via this Reverb listing

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Erik Norlander's ARP Omni 2 Vintage Analog String Synthesizer, serviced and upgraded

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video upload by moogfoundation

via this Reverb listing

"Restored and upgraded by noted synth tech and Alan R. Pearlman Foundation supporter, Alison Cassidy. Tested and working. Some surface scuffs here and there, particularly on the wooden end cheeks. Orange LED slider upgrade installed.

This is a classic late-'70s analog synth, known for its lush string sounds, synth bass, and that unmistakable vintage ARP vibe. If you're into prog rock, synthwave, or classic electronic tones, this thing nails it.

Special upgrades:

The LP filter has been updated and corrected to extend the high frequency range
Sliders have been upgraded with sharp-looking orange LED lights
Highlights:

Iconic analog string section with rich ensemble chorus

Built-in synth with classic ARP filter (low-pass w/ resonance)

Full polyphony for strings, mono bass section

Great condition for its age

30% of the sale will go to support the Bob Moog Foundation."

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Sequential - Prophet 5 SN 1446

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via this Reverb listing

Additional NOISEBUG Listings

"Fully tested and fully functional. there are some minor scratches on the side wood, but overall the synth is in excellent condition."

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Roland - JX-3P + Dtronics - DT200

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via this Reverb listing

Additional NOISEBUG Listings

"This unit is in excellent condition given its age. There are minor cosmetic scuffs and markings as displayed in photos. Synth is fully functional and sounds better than most modern synthesizers. Your purchase also includes the Dtronics - DT200 programmer/controller and a heavy duty custom fitted road case."

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Roland CR-68 CompuRhythm

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via this Reverb listing

Additional SYNTH CITY Listings "1970s Roland CR-68 CompuRhytmn drum machine.

The CR-68 has the same sound set and rhythm patterns, but is not programmable and lacks many of the better features found on a CR-78. However the CR-68 does have breaks & fills, an accent that really livens up its beats, and a balance knob that can be used to weird-out the sounds a little bit. A much cheaper alternative to the CR-78 considering it is strictly limited to its preset patterns.

Tested in great working condition, ready for immediate studio use."

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Roland TR-66 Rhythm Arranger SN 733671

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via this Reverb listing

Additional SYNTH CITY Listings

"One of the earliest machines from Roland, tested in great working condition. Perfect addition for any Roland collector or song writer/producer. Classic sounds!"

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Elektronika Ritm Soviet Analog Drum Machine SN 41

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video upload by Kee Reel

This appears to be the first one to be featured on the site.

via this Reverb listing

"Vintage soviet analog drum machine from the year 1978. Elektronika Ritm .

Serial number: 41

The unit works but the preset buttons are not fixable. Also there is some noise and other small issues.The machine requires service.

The video shows its condition.

The original start button is included.

Works with 220v"

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Oberheim Xpander 6-Voice Synthesizer SN 770244

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via this Reverb listing

"We are delighted to present this Oberheim Xpander, a superb example of one of the most sophisticated analogue polysynths ever created.

Designed by Tom Oberheim’s team during the golden era of American analogue innovation, the Xpander represents the pinnacle of Oberheim engineering — a true hybrid masterpiece that marries the lush, organic depth of analogue oscillators with one of the most flexible modulation architectures ever implemented in a MIDI-equipped synthesizer.

Released in 1984, the Xpander was a technological tour de force, featuring six discrete voices, each effectively a complete monosynth, coupled to an extensive modulation matrix and multi-mode filters. Its sound palette remains legendary — capable of producing rich, evolving textures, weighty basses, and intricate soundscapes that continue to inspire composers, producers, and collectors alike."

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