Celebrating and tracking down classic synths
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“OBERHEIM OB-MX Analog Polyphonic Synthesizer – Rare Vintage. This Unit is in Excellent Used Condition. The unit is factory it has 1 card giving 2-note polyphony. Very clean unit. Comes with original manual.”
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” Oberheim Matrix 6R Rackmount Analog Synthesizer Excellent Condition. I have had this for about 15 years and almost never used it. Everything is functioning well and cosmetically it has very little wear, looks almost new other than small scratches only visible in bright light. No visible rack wear. You’ll love the analog sound of this if you’re used to using plug-ins or other digital sound devices. It’s got the sound of 80’s analog and the unison bass patches are huge sounding. Unlike the Matrix 1000, the 6R has earlier model chips and has front panel programming. Tom Oberheim said he liked the Matrix 6 series better than the Matrix 12 for pure sound quality. Has thick rubber feet so it can be used table-top or racked.”
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“A very nice Oberheim Matrix 6 Synthesizer in very good condition. Used in studio, all functions and keys working. Warmer analog sound compared to many current models on the market. Includes custom wood-end cheeks.”
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“A genuine Oberheim Matrix 6r rack-mount 6 voice analog poly synth from the late 80’s!
Excellent condition, barely used and even no rack wear! Comes with original box and power cable.
Will be packed carefully in original box, inside another box.”
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“What we have here is my old Oberheim Matrix 6 synth that my dad bought me new back in the mid ’80’s. It plays, sounds and looks good for it’s age. There are a couple of scratches and dents here and there. Over the years, I’ve replaced a couple of broken keys but have had no other repair work done. The volume fader can be a bit scratchy and the output jack can sometimes be a little touchy. As far as I can tell, everything else works well. The factory patches are loaded and software version is 2.13. Many other patches are available online for free. I’m still looking for the manual, sustain pedal and additional patch cassettes. If they tune up, I will definitely include them.”
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“This vintage rack-mount synth module has some amazing sounds. If you love the sound of Oberheim synths, this is far less expensive and in better condition than any Matrix-12 you can find.
The Oberheim Matrix 1000 is the rack module second from the top in the photo. This sale includes only the Matrix 1000 module. The rack and other modules are not included with this purchase.”
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“Oberheim OBXA, the Van Halen “Jump” Synthesizer, and king of 80’s brass strings and pads.
This fine vintage instrument was recently professionally serviced (March ’19) by world-class synth technician Greg Montalbano of Analog Synth Service (Oakland, CA). This service included keybed maintenance, and voice tuning/calibration (records available).
Cosmetically, an OBXA in Excellent near-collector grade condition, with the 120 patches, and the more desirable Pratt & Reed keybed, is pretty rare! It’s mostly clean, with a couple slight scuffs/scratches, and small chip to left wood side. See pictures for details.
Synth will be well-packed and shipped. ”
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“Condition :Used”
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“I have had this matrix 6 for at least 10 years. I don’t really want to sell it, but my car needs the transmission rebuilt and as you may know that is expensive. Something has to go!
If you don’t know anything about the Oberheim Matrix Six, it six has that sweet analog sound that everybody wants, six Oscillators and full midi capability. velocity and pressure sensitive keys. This is an undervalued gem, grab it while they are still affordable.
It has been upgraded to the newest firmware, everything worked great when I put it away. Brought it out to sell and everything still works great as far as I can tell, I can select patches with the keypad, I can play music, and pleasing sounds then come out of my speakers.
Comes with what I believe to be the original foot pedal, a power cable, And the heaviest duty keyboard case I’ve ever seen, it is a tank! Unfortunately the foam is deteriorating, so you’ll have to re-foam it before you can really use it. I will ship the keyboard in the ATA case but will use extra bubble wrap inside to protect it since the foam is falling apart.”
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” This synth has seen light use in my studio and was never toured, however I am not the original owner.
The physical condition is 7 of 10. Some of the finish is worn and faded, and the sides have a few dings and dents. All pots, knobs, faders and ports are in good condition.
Functionally, its 8.5 of 10. As you can see, the synth passes a tuning test and appears to function without obvious issues. That said, this is vintage gear — tuning is a bit unsteady, needs 20+ minutes of warmup before use, occasionally a button might need to be pressed twice — you get the idea. But all outputs work, and it sounds DIVINE. ”
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“Oberheim OBSX, 6 voice with 56 memories in mint condition.
This is special as it comes with the Rolf Meurer MIDI mod – which is a small box that connects to the computer port and makes all the parameters editable over MIDI.”
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“Up for Auction/Buy It Now is a vintage Oberheim DSX Digital Polyphonic Sequencer.
Condition is Used. Good Cosmetic Shape. Works Great.
Includes power cable.
All buttons and display were tested and were good. The battery is measuring 3.8 v. All capacitors were tested to be within appropriate ranges.
Version 3 board. Version 3.02 firmware.
All Sales Are Final on this item.
Buyer pays all shipping charges.”
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“1000 Classic Analog Synth sounds from the Oberheim Matrix 1000! Works great (see photo with power on – Patch 745 was my favorite!). Includes all ORIGINAL manuals, cards and the original box. Only issue is cosmetic – a bent rack ear and scratches on top and bottom panels. A truly special tone module.”
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“This is in good working condition. It doesn’t have the original front 2 screws that hold the cover down.”
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” For sale is one of the all time greats of synth sound and history…
Vintage Oberheim SEM module! 100% working. Face is in great shape!!!! All knobs, functions work great. The housing shows wear (bottom and sides). The output for low was modified to 1/4 inch. The unit appears to have been recapped properly- the original tropical fish caps are still there (never swap them unless you MUST… you will hear a difference) There has definitely been some work done inside- the 1/4 mod, recap, some wiring looks non original. BUT I always took it as it was serviced. The unit sounds and performs as it should but it has NOT been calibrated. Assume drift.
It tunes awesome and HOLDS tune, unlike my Minimoog LOL… which btw it was MADE for. As an expander for a mini, its ridiculous. And theres a mod you can do on your mini for CV out and you can control it from the mini!!! (It was called the “S”ynthesizer “E”xpansion “M”odule LOL) Thats how I’ve been using it and it kills. But I’m so tired of multi tracking chords note by note LOL!!!!
This is an actual SEM not a rehoused module from a 2, 4 or 8 voice.”
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“You are checking out a Oberheim Matrix-1000 tested and working. Not completely familiar with all the features of this unit as far as how to get sounds, but was able to go through some of the patches and all appears to work. There is no manual included.” Click here to search for synths on eBay
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” Mine is in perfect working order and in good cosmetic condition for its age. Made in Japan.”
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“Not a common synth to find on Ebay – there is one on Reverb for 10K
at the moment. Holy Grail for you vintage analog synth buffs. Dates to 1979.
cosmetically very nice, has a couple scratched keys and some normal age but
faces up well and not missing or broken knobs. Serial Tag on back stamped 6 Voice
I know these came in 4, 6 or 8 voice. no too many of this model made
Comes as seen, Please see all pictures. I too pics of the inside as well so you see exactly what you are getting.
powers on, some of the LED on the buttons on the left side just blink but the unit has No Sounds / output
all keys are there and move – not damaged – a couple are scratched.
Quite a rare unit and well worth the investment of having it brought back to life
I do not know a Synth tech that I can trust with this unit so I will leave it to you to
get it done right!
Since it will need service so it will be sold AS – IS No Returns”
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“oberheim matrix 6. Condition is Used. The instrument is in good shape with original patches. There are two minor sound issues – the right output doesn’t work and voice chip 2 is pretty wonky. These should be pretty straight forward repairs. ”
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“Oberheim matrix 1000 Excellent condition. Condition is Used.
This listing includes the Matrix 1000 (everything works)
Power Cord
Oberheim Matrix 1000 User Manual is also included in this listing.”
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“Rehauled and repaired recently from SwitchedOn in Austin, TX.
Spent over $1000 getting it fully refurbished. Works flawlessly and has a lot of new life in it. ”
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“A vintage synth classic. Lush, Fat, Pulsing, Warm Oberheim deepness all in a 1U rack. Some great editors out there to bring this into your DAW if you so wish. As used by Laurent Garnier, Depeche Mode, Future Sound of London, Pet Shop Boys, and Faithless.”
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“This is an Oberheim Matrix6R rackmount synth from the 80s. Fully functional with great classis FAT analog sounds with digital control. There are some minor cosmetic blemishes on the top panel, one of which I have displayed in the photos. Powercord is included. No manual but there is plenty online. Buyer pays shipping.” Click here to search for synths on eBay
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“One of vintage Perf / X modules by Oberheim .This one is Strummer – keyboard guitar emulator.
Unfortunatly the unit is not working.
If you can fix it – the Memory chips are replaceble and you can convert it to other Perf / X units :
interactive arpeggiator ,interactive drummer sequencer ,systemizer ,navigator as they share the same PCB board.
No power supply.
This is Parts / Repair unit .No return.”
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“Vintage Oberheim DSX Digital Polyphonic Sequencer. Shipped with USPS Parcel Select Ground.
no cables included
The main circuit board shows some corrosion (see pictures). The Capacitors were tested to be good, but the battery only showed .1V,
All buttons on the interface and the display were tested and were good (I plugged in the interface board into a working unit to test). So it appears that the problem is with the main board. Not sure it can be fixed. May be better off used for parts as the control board is in great shape.
Version 2 board.
Please note the scratch between the D and the X on the cover.”
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“Left channel is not working, just stopped about 2 weeks ago, not sure why, could just be a loose wire. WORKS FINE IN THE HEADPHONE JACK.”
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“Up for sale is the legendary oldie but goodie,oldie but basically like new goody if you can believe it. The Oberheim Matrix 6. Yes im talking about a basically untouched classic piece of vintage gear in basically new condition !!, This piece has never been serviced, repaired or never even been played for more than even a few hours in TOTAL. So in other words its basically like walking into a Sam Ash or other music store between 1984-1987 an asking “may I please have a Oberheim Matrix 6″. I was thinking about keeping it as a show piece because of its age and history, and not to mention it is sort of a family heirloom, but I need to buy other gear, I have shown numerous pics in this posting but if you require additional pictures please don’t hesitate to ask, and that goes for any additional questions too. Included is the original foot pedal and power supply, sorry but I don’t have the manual,”
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“Oberheim Matrix 6 Vintage Analog Synthesizer
Everything Works Great
Comes With Power Cord” Click here to search for synths on eBay
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“Vintage Oberheim DX in good working order. I purchased this back in the 90s and it’s been working ever since. Please see the pics for condition. It has a few scrapes on it here and there but it works fine. I was able to erase the memory and then program a new sample into it without issue. It looks like it may be the original battery in there but it hasn’t leaked or anything.
I’ve also included a set of chips with it that I did not test. The system has the ride cymbals setup in it right now and some crash cymbal chips and a different snare chip are included with the auction. I received these when I purchased it years ago. They should be working. If not, I think you can get new chips for these on the web pretty easily.
The only key that seems to be not working 100% is the Shaker2 key. It works if you press it a few times and then sometimes it works fine.
It has an old sticker from a music/guitar shop on the bottom of it which could be easily removed but I left it there since it gives a bit of the history of it. ” Click here to search for synths on eBay
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“Oberheim DMX drum machine recently refurbished with MIDI and custom features. Condition is Seller refurbished.
This DMX originally came to me in sad condition — random holes in the case, no voice boards and several other missing parts. I rebuilt it, filling the holes and repainting the front part, adding a full complement of Electrongate 1554E voice cards, replacing the other missing parts, adding the Electrongate MIDI upgrade, and just for fun, replacing the walnut end panels with maple ones, and replacing the red LED display with a green version (including a green gel filter over the display). In addition, I added a toggle switch on the rear panel that selects a completely different set of sounds for seven of the voice boards (all but the cymbals). At one setting, all sounds are the standard, original samples. The other setting selects alternate versions of the sounds.
The machine is completely functional, with the original factory sequences loaded, and all switches have been cleaned and work smoothly. Two of the switches do not have correct markings, but have been blacked out so the difference is hardly noticeable.
The rear panel has had several holes filled (with epoxy) and has not been repainted.
This is a unique version of the DMX, the drum machine used by so many groups in the 1980s.”
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“Oberheim Matrix 1000 6-Voice Polyphony Analog Rack Synth. Condition is Used. Shipped with USPS Priority Mail. The unit comes with firmware ver 1.16 which I upgraded to after I bought it. I will also ship the old firmware chip which is ver 1.11. ” Click here to search for synths on eBay
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“Oberheim OB-XA vintage analog synthesizer. This is an original factory 6 voice model. The synthesizer is not working properly. There is a tone or noise, depending on which knobs you turn but no patches. All voice cards are working and light up one at a time when you trigger a note but they are out of tune. When I purchased the synth, all 6 voice cards already had new capacitors and all multi trimmers replaced. The power supply had also been recapped along with all new key bushings installed. The previous owner could not find anyone to do a calibration so decided to sell it. I also cannot find anyone to do a calibration within 7 hours of my home. It may need more than a calibration or it may not. It has scratches on the panel of synth and wear to the side panels. I am selling it AS IS or for PARTS only. Each voice board alone can sell for over 900.00 each. I am tempted to part it out because I can probably get a lot more money for it, however I really do not want to part it out over a one or two year period but stay tuned if I do not sell it. It is super clean inside as seen by the photos. I pack well and ship quickly. ” Click here to search for synths on eBay
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“This is a used synth from the early 80’s with great fat analog sounds and digital control. I havent used it in many years. Its a great dependable synth. ”
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“Oberheim OB-8 Keyboard Synthesizer. Has Issues, Sold AS IS No Returns. Problem(s) possible in Autotune circuitry or S/H. top board mostly not working, makes sounds when keyed. Contacts need cleaning. In great cosmetic condition. Functions such as the panel, pitch bend and CPU operation & keyboard seem to work fine. Knobs need lubing. If you know a tech who is familiar with these problems it should be a keeper. It shows no signs of mold or misuse.”
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“Hi friends and gear junkies. We have an Oberheim Mateix 6R. Great 80’s rack synthesizer. Hard to beat the sound of an obi. Add a little reverb on top of these sounds and you’ve got 80’s perfection! Unit functions perfectly. Volume fader failed on the front and was removed. It hasn’t effected anything use wise for me. I’ve used it in my studio setting and never had any volume issues. These are starting to become hard to find.” Click here to search for synths on eBay