Celebrating and tracking down classic synths
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“Oberheim Matrix 1000 Vintage Synthesizer – For Parts or Not Working
Untested. Missing face-plate and power switch. Internals appear surprisingly decent. Could make for a fun restoration project or harvested for parts.”
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“Please note, this unit was fully tested and working on 7/8/2021
If any issues arise, Please check the chips inside the case.
They may have been loosened in shipping.
Re-seat them.” Click here to visit listing on eBay
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“A Oberheim Matrix 6R that needs work to get it operational. No power indications. See the repair shop receipt for their assessment of the problem. May be a nice project for a instrument tech to repair and resell.” Click here to visit listing on eBay
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“This Matrix 1000 has been fully pro-serviced unlike most and working great. We paid our tech to perform a necessary power supply modification that most other sellers don’t do, cleaned the potentiometer, and replaced the internal battery, which most sellers also don’t do. This item is being sold by professional perfectionists and will be packed to withstand rough handling. You get what you pay for.” Click here to visit listing on eBay
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“Please read for complete description of the synthesizer.For sale is an Oberheim Matrix 1000 analog synthesizer. I purchased this unit about 5 years ago from a college music professor. It was fully working when purchased and has sat unused for years. I recently powered it on to test it before listing it for sale and it displayed the “1.1.1/6.1.1” error message on the screen. I powered it off and on, and it then worked perfectly fine. All of the buttons work perfectly, all of the inputs and outputs work, the volume knob works perfectly, and it sounds absolutely AMAZING. I left it powered off for a week and went back to it. I powered it on and got the “1.1.1” message, I powered it off and back on, and once again was able to get everything to work perfectly fine. Looking into this error, it looks like an issue with the back-up battery. I don’t have the time or money to spend repairing it so I’m looking to sell it “as-is”, though I’m sure its an easy fix for someone who is familiar with vintage gear. I meticulously package everything I sell and ship ASAP. Because this is a “For parts or not working” listing, I will not accept returns on this item.” Click here to visit listing on eBay
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“Vintage 1980’s DMX oberheim drum machine. It powers on and has been tested by a professional. It makes sound, but has not been hooked up to an amplification system. To our best knowledge it is nice condition. It’s missing one thumb screw for cover.” Click here to visit listing on eBay
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“Recently tested. Works A-OK. Missing its rack ears. It will ship with a power cable.”
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“Oberheim Matrix 1000. Condition is “Used”.
I have owned this unit since it was new, and it has remained in my smoke free, temperature controlled studio ever since.
Everything functions as it should and it is fully operational. I am meticulous with my gear, and this piece is an example of that.
There are a few very small scuffs of the top from rack removal, but otherwise it’s perfect. Cleanest one available. ” Click here to visit listing on eBay
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“This keyboard is only being sold for parts or repair. I don’t know what is wrong. It doesn’t turn on. I took pictures of the inside to show the condition. The original battery is there and is not leaking. I will ship it in a new case with wheels, and it will also be boxed.” Click here to visit listing on eBay
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“Oberheim Matrix 6R – Excellent Condition
Includes original 1986 Manual
Includes Power cord – note it is 3 feet long.
Rack ears are someone’s aluminum replacements.
Some paint scratches on bottom. See pic” Click here to visit listing on eBay
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“Oberheim Matrix 6R – Excellent Condition
Includes original 1986 Manual
Includes Power cord – note it is 3 feet long.
Rack ears are someone’s aluminum replacements.
Some paint scratches on bottom. See pic.” Click here to visit listing on eBay
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“In good shape visually, several minor scratches and stains on one of the wood sides. Also, one of the wood panels is slightly warped due to aging. Seller has owned this iconic synth since 1984 and used it in studio environment.
Keyboard is in great shape, plays and sounds like new.” Click here to visit listing on eBay
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” Electronically restored 2 years ago. Recapped and most pots replaced. Plays Great & Sounds Great. All new foam in the case too.
Knicks are threefold:
#1. If you want it perfect, the case will need to be stripped and repainted and then re-silkscreened. There are companies out there that do this. I just wanted it to play properly, so the fact that the finish on the case isn’t perfect never bothered me.
#2. The Pratt-Reed keyboard plays fine, but the key dampers should be replaced. You get a little mechanical noise when playing. I used it for recording, so it never bothered me.
#3. The unit has a JL Cooper MIDI interface. It worked when I got it, but after I had the service done it stopped working. Again, there are other companies out there offering MIDI kits for this keyboard.” Click here to visit listing on eBay
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“Oberheim Matrix 6R – Excellent Condition
Includes original 1986 Manual
Includes Power cord – note it is 3 feet long.
Rack ears are someone’s aluminum replacements.
Some paint scratches on bottom. See pic.” Click here to visit listing on eBay
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“Battery Tested, Volume Pot Cleaned & Lubricated, Tested. 100% Functional. Light Cosmetic Wear – Marks on faceplate.” Click here to visit listing on eBay
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“Postage Included Oberheim Strummer” Click here to visit listing on eBay
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“I’ve owned this synth since the early 90’s, and used it on all four of my Heavenly Music Corporation albums for Silent Records.
I’ve reinstalled factory patches, played with a MIDI KBD, and checked all the patches – all is AOK.”
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“OBERHEIM Matrix 6 Subtractive Analogue Synthesizer +pedal/manual/cassette pgms. Condition is “Used”.” Click here to visit listing on eBay
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“Oberheim OB-MX Synth AS-IS! PLEASE READ!
This is a unit I’m not terribly familiar with, I received it with some other musical equipment. Unit powers on and buttons and knobs all seem responsive. I hooked up a MIDI keyboard to the unit but was unable to produce sound through speakers, possibly an error in the way I have it connected. – see below -” Click here to visit listing on eBay
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“Oberheim Matrix 1000 – Vintage Analog Rack Synthesizer. Condition is “Used”. It can be used to create some amazing and rich sounds. Has MIDI IN/OUT/THRU and a 1/4″ audio out.” Click here to visit listing on eBay
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“I bought this synth to use in my band and studio in 1983. I haven’t played it in about 20 years but the repair shop (Spectrum Sound – Indpls) inspected everything this year. I’ve included a receipt showing the condition. “Voice 3 fails autotune (bad CEM3340), voice 4 sounds bad filter circuit issue. Many keys don’t play (bad rubber key contact strips).” The outside appearance is nearly perfect except for a single scratch visible in one of the pictures which was actually caused by the leather case with zipper I had custom made for the synth. With a little TLC and a few minor parts, it should be fully functional.” Click here to visit listing on eBay
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“Oberheim Matrix 1000 Vintage Analog Synthesizer Rack Synth. Condition is “Used”. This unit is a great way to get that classic Oberheim sound in a 1U rack module. Additional photos available upon request. Includes power cord. Manual not included but can be easily downloaded and printed. Item will be shipped in an oversized box with a plethora of bubble wrap.” Click here to visit listing on eBay
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“Oberheim Xpander XP-1 6 voice desktop version of the Matrix 12 US version. Condition is “Used”.
Studio use only, non-smoking. Always covered. All functions work, programs easily. Every button functions normally, yet occasionally may require pressing again. This is rare however, the more I program with it the less it occurs. The tune function passes all modules normally. Was inspected last year by a pro and passed with flying colors. Does not have any outstanding physical flaws all leds perfect.” Click here to visit listing on eBay
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“I’ve decided I’m going to list my Oberheim Xpander for a 3 day auction. if it doesn’t sell, I will keep it.
Sounds Great and my Tech checked everything….All works as it should!”
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” Oberheim Matrix 1000 Vintage Analog Synthesizer w/ New battery “Serviced”. Condition is “Used”. ” Click here to visit listing on eBay
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“Awesome synth, updated to the latest Eprom which allows visual readouts of adjustments abd parameter changed on the LED screen during programming. Works great. Has the classic Matrix 100” transformer poser hum, but they all do that. Good shape, minimal rack rash. Classic ballsy 80s synth with tons of possibility! Oberheim Matrix 1000. Condition is “Used”.” Click here to visit listing on eBay
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“Oberheim Matrix 1000 6 voice polyphonic analog synthesiser.
Visually a bit tatty, the faceplate is slightly misshapen and has some rack rash and a few other small marks. The volume pot is also a little bit loose but functional.
1 of the voice chips has failed and needs replacing. I have been using the synthesiser without much problems without it as not many of the 800 presets use all the voices, but you do notice it occasionally. I purchased a new CEM 3396 narrowbody to do this but never got around to it, same story with the firmware update. Both of these are very easy pull out/push in jobs, but while it’s opened up probably worth switching out the battery for a battery holder/button battery (requires some basic soldering), although seems to be fine.
Once you get the new firmware in you have a couple of options for ‘real-time’ control. One of them is an £800-ish controller from Steroping, Another is patchbase which is around 30 quid and works on your computer or iPad.
Comes with the original instruction manual which I have forgotten to photograph but will add tomorrow.”
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“You know what this is… This is the most advanced, most elegant sounding Oberheim of them all.. besides the Matrix 12. She purrs… she growls and so much more. Once you play it, you’ll instantly recognize all those instant classic 80s sounds. Not many synth freaks have one.. most have never played one. This synth is not for the faint of heart. It delivers in every way.” Click here to visit listing on eBay
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“Oberheim Matrix 6 MIDI analog synthesizer, VG condition, been gone through and kept clean inside and out. Condition is “Used” very good nothing to report. This matrix 6 I really just use this for soundscapes and sounds. Incredible sounding synth. I’m going to miss it’s quality sounds. Can’t be beat.” Click here to visit listing on eBay
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“Here is a vintage Oberheim OB-1 synthesizer, this synth was just serviced which included replacing all the old key bushings, all functions check ok, see repair bill for more details, this synth is in fairly nice shape for it’s age, end caps show wear, back edge on top has some scrapes, the synth shows average wear in general, it is not mint, not much more I can say, please look at the pix and the repair bill” Click here to visit listing on eBay
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“OBERHEIM MATRIX 6 Keyboard Synthesizer. Good Condition. Works well! Signs of wear from old age, please see detailed pictures. This synth has been in my smoke free studio since the early nineties. I’m not a keyboardist but I ran a good check-up everything seem to be working fine. The volume knob makes a bit of noise only when adjusting (probably needs cleaning).” Click here to visit listing on eBay
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“Oberheim Matrix 6r in good fully working condition. Comes with the original manual. Power supply 220 volts.” Click here to visit listing on eBay
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“Vintage 80s Oberheim DMX Drum Machine – DX With MIDI
Awesome drum machine, classic 80s sound, great for Nu Disco, boogie, Indie dance etc
Used on countless early rap records, Rick Rubin, Run DMC etc
Classic 80s grooves, on many early Madonna records, this one has MIDI which makes it easy to connect with modern gear. Drums are tunable by turning the jog wheel on the boards inside, each sound has its own board(a few are combined)!!! Talk about hands on!” Click here to visit listing on eBay
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“Oberheim matrix 6. Condition is “For parts or not working”.
Good project for someone who is good with repairing old synthesizers.
I have owned the keyboard for over 30 years.
The keyboard turns on but not displaying patches.
See output in the display in picture.
This was in good playing condition when last played about 10 years ago.
Has always been in a smoke free environment. ” Click here to visit listing on eBay
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“Oberheim Xpander XP-1 6 voice desktop version of the Matrix 12 US version
Condition is good. Works well.
Case is missing. Local pickup only.”
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