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Yamaha TG100

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“Yamaha TG100 MIDI Tone Generator Synthesizer Half-Rack Sized Module with Power Supply ” Click here to visit listing on eBay

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Yamaha Tenori-On

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“For sale is a Yamaha Tenori-On TNR-W 16×16 Matrix Performance Music Instrument in excellent condition. The Tenori-On works 100% correctly – every LED is good and the rotary controller does not have any issues. Includes all original packaging and accessories. The original box is showing its age but still looks good. This is a wonderful device!” Click here to visit listing on eBay

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Sequential Circuits Pro One

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“Rear paint damaged by previous owner on removing stickers.

Recently replaced keys with a Fatar keyboard TM-2 from techsmechsvintagesynth.com so the synth plays beautifully.

Also capped the knobs with Prophet 5 caps.

This synth is fully working and sounds brilliant.” Click here to visit listing on eBay

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Doepfer A-100 Modular Synthesizer Case

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“Part Number: N13-5938-IEC
Model: Monster Base Case
Color: Black
Condition: New/Open Box–all included items shown in photos and untested unless otherwise noted; distressed packaging; labels removed from box exterior; comes in generic box; see photos” Click here to visit listing on eBay

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MIDINES 1.1.0

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“If you’re looking at this, you know what it is. Super rare and out of production.” Click here to visit listing on eBay

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nanoloop NL27

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“Nanoloop GBA NL27 en parfait état de fonctionnement.

Perfectly working ” Click here to visit listing on eBay

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KAWAI K1m

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“The product is a vintage Kawai K1m desktop synthesizer. It belongs to the Musical Instruments & Gear and Pro Audio Equipment categories. Does not come with power cord or manual.” Click here to visit listing on eBay

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Teenage Engineering OP-1 Field

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“The handheld synth which requires no introduction, at a competitive price.

Gently played in a non-smoking household: this item includes the original TE USB Cable, pads, and an Analog Cases case. Firmware is up-to-date.” Click here to visit listing on eBay

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Ensoniq SQ80

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“Pretty decent condition… I don’t know enough about synthesizers to be able to test all possible functions, but it sounds and looks good. Tested all banks and controls. Local (Brooklyn) pickup only – you are welcome to make arrangements to look and test it out, etc. before making a decision.” Click here to visit listing on eBay

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Roland JD-800

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“Roland JD800 in very good condition for its age and perfect working order.

Recently serviced and the Red Glue issue has been resolved with new key bed and key contact board fitted. Key weights have been secured with new epoxy (as shown in picture). Key action is as it should be as well as the after-touch.

After-touch modification has been fitted, enabling it to be more sensitive and not needing to press the keys so hard to get the after-touch to engage.

All the sliders and controls have been cleaned and thoroughly tested and working as it should. New internal battery has been installed and has been reset to factory settings.

Excellent sounding synthesizer with numerous editing capabilities. A real work horse synthesizer with multi channel functions. ” Click here to visit listing on eBay

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Roland Juno 106 and Roland MSQ-100

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“Roland Juno 106 Synthesizer and MSQ-100 both in excellent condition with manuals

6 NEW Analogue Renaissance VCF VCA voice chips fitted. This replaces all 6 original voice chips which can cause issues. Please read up on this online.
NEW power board capacitors to ensure functional stability. Very important – the original 40+ year old capacitors can dry up over time and affect the voltage supplied to the Juno 106.
NEW battery fitted for patch storage.
NEW battery holder fitted to make future battery changes simple.” Click here to visit listing on eBay

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Roland JV-1080

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“Experience the Roland Super JV-1080, a powerful 64-voice synthesiser that combines classic Roland precision with a modern twist. This rackmount module comes equipped with three expansion cards, enhancing its capabilities and providing a wider range of sounds to create your unique sonic palette.The JV-1080 is designed with the synth enthusiast in mind, featuring intuitive key-based programming and a robust construction synonymous with the Roland brand. Whether you’re a seasoned producer or just starting out, this synthesiser is poised to deliver high-quality, dynamic sound design for any project.

Comes with the Dance, Techno and HipHop Expansion Cards that I had to scour the world for and import.

Amazing for producing House,Jungle,Oldskool and Hip Hop etc.” Click here to visit listing on eBay

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Roland CR-5000 Project Machine

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“Most functions can be achieved, though some require creative button and knob use. Something is off with the wiring, so this is being sold for parts or not working. I’m the second owner and bought it after some knobs and buttons had been replaced and changed out, and the AC cord and power button replaced. Sound output is good and the brain seems to be good.

As shown in photos, not all buttons or screws are original. Features tested and seem to be working properly include: Tempo, Intro/Fill In, Auto fill in Measures, Accent, Volume, Auto Fill in Manual, Shuffle, Crash, Start/Stop, and Power On/Off.

The light is out for the “Register” button, though the button functions.
The first row of selections is not working (Waltz, Rock 1, and Samba 1). ” Click here to visit listing on eBay

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Roland JX-8P

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“Vintage Analog Polysynth w/ Aftertouch

JX-8P
with Carrying Case

MIDI, Intuitive Interface

(keyboard stand not included)

In Excellent Condition

clean inside and out
inside pictures show firmware version
all original parts
no signs of repair work
(minor scuffs and discolorations)” Click here to visit listing on eBay

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Roland Juno 60

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“For your consideration is a USED Roland JUNO 60 Vintage Analog Synthesizer” Click here to visit listing on eBay

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Korg Polysix with Kiwisix Upgrade

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“All functions working as they should, additional mods all pro installed and add a ton of functionality to the synth and improve playabilty.

Kiwisix CPU board, adds MIDI IN/OUT, full CC control, and tons of additional features that are accessed through the panel controls, the full manual can be easily accessed online which gives a full explanation of all extra features.
Polysex mod, very interesting modification that adds a much needed pitch envelope to the polysix, as well as mod section that allows you to dial in vintage ‘warble’ all the way up to total harmonic chaos. Can learn more about this from Tubbutec website.
Stereo pan mod, allows you to pan each of the six voices as far left or right as you like with onboard trimmers that can be easily adjusted to taste, similar to oberheim, stereo jacks have been installed in back panel below main output. The stereo output is tapped before the effect section, which allows you to record the clean stereo signal along with an effected fx mono signal for more flexibility in the studio.
Full service manual tuning, anyone who has attempted tuning one of these knows that it is a labor of love and takes a LONG time to dial in just right, rest assured the time was taken to get all voices very tight to spec
Post-FX VCF has been bypassed, this is a popular mod for improving the envelope response time of the polysix, more info can be found on the Synth Hacker blog”
Click here to visit listing on eBay

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Korg Poly-800II

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“This is a used Korg Poly 800 MKII keyboard synthesizer. There is wear from normal usage. It is being sold as photographed. The keyboard does power up when plugged in. The case measures approx. 14” x 36”.” Click here to visit listing on eBay

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ARP Axxe

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“Up for auction is a Used Vintage Arp Axxe Analog Synthesizer 2313 For Collector.

This synth was part of my recording studio for 40 years and was still working well 3 years ago.The broken piece of wood was like that when it was bought. It turns on but makes no sound. I cannot play anymore, so it’s time to say goodbye.” Click here to visit listing on eBay

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ARP Soloist Project Machine

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“I’ve had this unit since the early 90s, solely in my studio. I haven’t had it plugged in for about 10 years now. The power cable is missing, sadly, but I also don’t dare try to power it up even with a cheater cable as my tech advised it will need a full recap to be safe to do so. And I believe them. Bad filter caps can take down any unit, never mind one of this value.

SO.

Last time we used it, it worked. The front switches were, as expected, testy. The sliders, aside from one, have all sheared off (but can be moved with a screwdriver, gently.) The keys and pressure/aftertouch worked, but definitely needed a good cleaning, as they were sometimes not respoding. The very top key sticks. There is some obvious cosmetic stuff, but hey, it’s how old??

No slider cap on the one fully intact slider, too.

SERIAL 27084. SEE PHOTOS.” Click here to visit listing on eBay

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Oberheim OB-X

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“A wonderful working vintage 1979 OBERHEIM OB-X synthesizer 8 voice version. Well cared for and from a smoke free environment. Checked out by a technician and in fine working condition. All of the voices sound great. The memory back up battery has been replaced. Comes with custom patches. In clean cosmetic condition. If you’re looking for a very nice example OB-X this is the one to get! ” Click here to visit listing on eBay

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E-mu Emulator II+

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“Here is really cool piece of 1980’s synth history. I bought this unit from the original owner for my daughter who is really into keyboards. After purchasing the unit a while back, she decided that the unit was a bit overwhelming for her. The condition of this unit is quite spectacular. I am NOT a keyboard player so I listed below an accurate description from the original owner. All sales are VERY FINAL and this is for local pickup only near Albany, NY.” Click here to visit listing on eBay

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The Harvestman Malgorithm Mk1

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“Great shape and fully functional. The panel is the original etched panel from The Harvestman. I don’t know how many of these were made before changing to the printed regular production MK1. I bought this from the modwiggler forum many years ago. I can’t remember if I bought it directly from harvestman or from someone else. An exceptionally rare piece of The Harvestman / IME history. Comes with ribbon cable and screws ” Click here to visit listing on eBay

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Casio CZ-3000

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“This cz-3000 is in perfect working condition and in very good condition!!

This unit was checked by professional technician.

with original case and power cable, paper work” Click here to visit listing on eBay

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Moog MG-1 Project Machine

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“Original Realistic Moog Concertmate MG-1 from 1981 being sold AS-IS!

Unit powers on and sounds can be made while messing with the filter switches/modulation and tapping the keys but it is pretty unstable, unpredictable and needs to be either repaired or broken down for parts.

I purchased this a long time ago and had it partially repaired about 6+ years ago. Had both oscillators working and the polyphonic organ working but still needed the noise generator fixed amongst other things. Put it in storage, forgot about it and recently took it out to find its acting strange again. Needs some TLC.

The black sticky foam was removed before I purchased it. Unit is missing all original slider caps.

This is being sold as-is for parts or repair. I will ship this UPS ground to buyers in the USA ONLY!” Click here to visit listing on eBay

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Moog Minimoog Model D

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“A true legend, this Mini has the sought-after old oscillator boards which sound incredible.

All PCB’s have had all electrolytic capacitors replaced with high quality new stock replacements.

All VCO trimmers have been replaced with bourns multi turn trimmers to allow for very tight pitch calibration. The trimmers are still accessible through the back trimmer chassis holes for easy on the go tuning when necessary as originally designed. In addition, all the pitch cv summing resistors have been replaced with super tight tolerance matched metal film resistors, the cv opamps were upgraded and the tempco resistors for each of the 3 oscillators are now thermally coupled to their respective 3046 transistor arrays. These upgrades drastically improve the pitch stability of the Minimoog, while preserving the warmth and character of the old revision oscillator boards. NO modifications to the audio path were performed.

All edge board connectors were thoroughly cleaned and treated.

New bushings were installed in the keybed, action is nice and smooth and triggering is consistent across the full keybed.

This Minimoog was given a full calibration with all internal trimmers adjusted per the service manual.” Click here to visit listing on eBay

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Roland JP-8080

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“For sale is a Roland JP-8080, a synth that needs no introduction for electronic music producers. Revered as a cornerstone of house, trance, and techno, the JP-8080 is the rack-mounted evolution of the legendary JP-8000, known for its lush pads, cutting leads, and earth-shaking bass. Favored by artists like Calvin Harris, Crystal Castles, and Lorenzo Senni, This powerhouse delivers the iconic Super Saw wave that shaped an entire generation of dance music and remains just as relevant today. Additionally, the JP-8080 offers deep programming options with dual oscillators, ring modulation, and sync capabilities that allow you to sculpt sounds ranging from hypnotic trance arpeggios to thick analog-emulation bass tones and silky evolving pads.

This particular unit is in excellent working condition, as seen in the photos provided. The faceplate, knobs, sliders, and input/output jacks are clean and fully functional, with only light cosmetic wear. All MIDI ports, audio outs, and controls are fully operational, ensuring seamless integration with modern studio setups. The hands-on interface makes sound design intuitive, giving you extensive filter and envelope controls, a robust arpeggiator, and real-time tweakability that brings the synth to life.” Click here to visit listing on eBay

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Roland ProMars

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“I am a musician – NOT a dealer. My father was the original owner. I’ve enjoyed playing this ‘mono Jupiter-4’ for many years. The only reason I’m selling it is to finance the purchase of a Jupiter-8. Every piece of gear that I own has always been taken care of very well. This particular item is in excellent condition.” Click here to visit listing on eBay

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Roland Juno 60

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“Roland Juno-60 Keyboard Programmable Polyphonic Synthesizer. Professionally tested, serviced, and cleaned. Works perfectly. Good condition, but there are some aesthetic imperfections (visible in photos). There’s one noticeable scratch on the panel and wear to the bottom left side. ” Click here to visit listing on eBay

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Korg POLY-61

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“**Local pickup only**

Here we have my

Working KORG POLY-61 Vintage 1980’s Synthesizer Keyboard

I have had this a long long time, and over the years it has seen more action than Axel Rose.

Over the years I have had hard Red Oak sides put on, as the chipboard that was originally there was just falling to bits as they all do.

I have not used it for over a year, but it is fully functioning. Just needs some switch cleaner in the volume knob as it is a little scratchy when turned. With time and use this should dissipate.

Also, where the modulation/Pitch bend joystick is, the panel does move a bit. It has done this since the sides were replaced but it does not affect playing or using of the joystick. It could use some shorter screws in it I think. Just never bothered with it as it did not detract from its use. Just thought I would mention it as someone may want to fix that.

Other that what I have mentioned , it is working as it should.” Click here to visit listing on eBay