“Korg MS-2000R Great Condition.
I’ve gotten some great timbres out of this synth over the years. It has a certain digital quality with a fantastic Korg filter and effects. It also has a vocoder input which has seen quite a bit of use.
In all honesty, for digital sounding synths of this era I think the MS-2000R does it best. Check out some demos of the sound if you don’t know what it sounds like. Excellent for any genre of electronic music but the tech house community seems to really love this thing. No surprise. ”
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“Rack version of DW-8000, one of the absolute iconic digital synths from the 1980’s, extremely full sound not approached by anything today. Great sounding analog filter, and rare controller that makes programming a breeze, with knob and slider access to all important parameters”
“Vintage Korg MS-10. Comes with patch cables as well as original manuals from 1978. recently gone by pro electronics person before i bought it in 2017” 
“Works great. Tunes up in 5 minutes like it should. Stays in tune. All arpeggiation , chord hold, pedal midi etc works as should. Programable, all original, except one side panel which are particle board, was coming apart, so I re-fashioned a solid wood piece and re-built it. It’s sturdier than new.
“An amazing analog synth from the golden era. Serviced as of 4/19. Condition is Used.”
“Pre-owned, in good condition. Fully tested and works perfectly. One of the keys is bent/stuck, as shown in the photos. Cosmetic dirt and scuffs from prior use, as well as some discoloration from age. All sliders and buttons work perfectly well. Includes attached power cable. Does not include a case. Does not include instructions, though they can readily be found on the internet. Does not include any other cables.”
“The CPU/battery board was replaced with a good used board. All Key bed contacts cleaned. Power supply rebuilt. Photocoupler replaced. Recapped, calibrated, cleaned and professionally serviced by Analogics in Cleveland, OH.
“KORG 05R/W Synth Module Midi . Condition is Used included is the power lead battery has been changed and designed so that any future change does not require resoldering battery clips into holder
“Korg MS 10 classic 70s mono synth for sale with original manual.
” Korg DW8000 analog synth, spares / repairs. Condition is For parts or not working. Collection in person only.”
“Hkorg MS2000 rack for sale, psu included, I would recommend buyer gets a new psu, the unit is in full working condition.
“This is a used unit like New rarely used
“Vintage Korg Poly 800 Polyphonic Analog Synthesizer No Cord
“Korg MS-2000R Rack Sound Module Synth pre owned mint condition sale music ”
“Used. All keys and buttons are in tact. Case does NOT close – latches are broken. Does NOT Power up.”
“Korg MS10 Vintage mono synth. Condition is Used.”
“Korg Polysix vintage analog synth.
“some marks of usage and time but good condition and working
“Korg Ms 2000 Synthesizer Keyboard – As Is. Condition is For parts or not working.
” Vintage Korg MS-10. Comes with patch cables as well as original manuals and awesome road case. recently gone over and serviced.” 
“Single original owner. Used over a two month period in 1986 for a total of 28 hours.
” This is an original Korg Polysix Synthesizer, made in Japan. This is my father’s keyboard as he has given me permission to sell it. He states that he has owned it for 40 years, but after getting a new keyboard 30 years ago, this one has been collecting dust.
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” Korg EX-800 Polyphonic Analog Synthesizer module from the 1980’s. This is a used piece of vintage equipment, shows signs of wear, see pictures. Receives MIDI, plays notes, loads patches. Includes a non-original power supply and a replacement patch cassette with original Korg patches.”
“Pet free, smoke free home. Works really well and is a lot of fun to play. Really has deep sounds.
” get your 80’s on. Super cool sounds can be made with this. comes with a book that has the list of some of the pre-programmed stuff. Case. Willing to ship, but it is kind of heavy, 40 pounds. comes with a case. Also has a foot pedal”
“Vintage Korg MS-10. Comes with patch cables as well as original manuals and awesome road case. recently gone over and serviced.”
“All functions are working. The unit has some signs of age but overall in great condition!! All keys, sliders, knobs and buttons working well. Tested before listing. Please see pictures” 
“The Korg dw8000 Is a 61 Key analog digital synth. Lots of fun stuff on here and an abundant amount of patches available for it as well. I love my Korg and have always had a lot of fun playing it. I’ve always babied it so it’s in good condition. The only issue is when I recently moved, the power cord was misplaced. Fortunately, it’s a universal cord and not hard to replace. “
“Item condition: Effects sound distorted/ major attenuation problems. Direct output does not work (works through the mix).
“KORG Polysix W/Kiwisix Upgrade, Restored W/ PSU upgrade and synthgraphics overlay.
“I’m selling a fully tested and working used Korg X-911 Vintage Analog Guitar Synthesizer. It’s in great condition and has been played and tested recently. The pictures show how nice a condition it’s in.”
“Up for auction today is a Vintage Morg M-500 Synthesizer. I got this at an estate sale. I plugged in a pair of headphones and the keyboard played. It appears all the knobs function except for 1. It is the Monentary / Portamento on switch is broke. (See pics) I have no other way of confirming if the keyboard can play thru an amp. Dusty and used. Made in 1977. Thanks for looking!”
“Korg Poly-800 Midi Synth Strap-on Keyboard
“Good condition, with some signs of use. Fully working w power adapter.