“Selling my korg poly 800 synthesizer.
Good condition for its age, a couple light scratches on bottom of keyboard but nothing major. All keys tested for functionality. Selling this as is, I’m not a keyboard expert but everything seems to be working to the best of my knowledge. Does NOT come with a.c. adapter. Was used with C size batteries. Happy bidding ! ” Click here to search for synths on eBay
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“Vintage Korg poly 61
“Korg M500 for sale. It is mostly working, except the ‘Voice’ synth doesn’t make sound, but all of the other synths are working. It is in decent cosmetic condition, and comes with a stack of overlays for the controls, to help you reproduce certain sounds. It also comes with the support for sheet music, and it’s original (though torn) dust cover. “
“Collection only.
“Fully working, great vintage sound. Can run off batteries or standard 9V power supply (neither included). Comes with original instruction manual.”
“This MIDI Sound Module dates from the mid 1980s. It is the rack mount version of Korgs DW6000 Keyboard.
“Korg ms2000b rack module excellent sounding 4 voice va synth all working perfectly comes with manual and psu”
“Fully functional keyboard. Works with batteries but not with the wall plug converter. Could be it just needs a new converter but I don’t have one to test it with. ” 
“Item: Used, playable DVP-1 voice processor. Amazing condition with only a few signs of previous use, overall I would say 9 out of 10 cosmetically. I didn’t noticed any major flaws or any drawbacks when I played it and went through some of the functions. It’s sold as-is, no returns however I think this is truly an awesome unit. Wonderful vocoder and harmonizing sounds from this. I hope the buyer will enjoy it and have this work out well for him or her. This is not a synthesizer, it’s a vocal processor, but it does have internal waves that can be played through midi to enable the vocoder effect. Comes with power cable and the manual can be found in Korg’s online manual archive.” 
“This 707 is in perfect working condition and in Very Good condition.
“So I got this board off here in November as working, & no it could use some help. As in it works and makes sound,but it’s not right.
“So I got this bad boy off here in November as working, & no it could use some help. As in it works and makes sound,but it’s not right.
“Original 1978 Korg MS-20 Synthesizer in excellent working condition.
“Korg MS-20 Vintage with mk-ii filter circuit. Fairly good cosmetic condition, recently serviced and in very good operating condition.”
“Adds multimode LFO/ pitch bend to MS10/ 20, or any synth/ device with CV inputs.
” Up For Auction – Korg POLY 61M Vintage Analog Synthesizer, 61-keys W/Anvil Type Case – Excellent Condition. I purchased the keyboard in 1985 from Daddy’s Junky Music on Newbury St in Boston, MA. Everything works perfect, no broken or damaged keys, switches, or buttons. The case itself has a slight crease on the bottom, but no broken or damaged particle board. This keyboard was always stored in an anvil type case. The anvil case has a few scuff marks, a painted over sencil, and some old stickers – no major tears, rips, or scratches. It has spring loaded handles on both sides and dolly wheels to make moving easier. Owners manual included. The case measures approximately 45″W x 25″D x 12.5″H and weighs 58lbs. The keyboard weighs 24lbs. No shipping charge for local pickup only.”
“Great polysonic synth module. Works well. Tested. Rack mounted.”
“The unit works great . One of the d# key is a little crooked so when pressed it tends to stay down till put back in regular position . You can find the keys for really cheap and is an easy fix.” 
“Original 1978 Korg MS-20 Synthesizer in excellent working condition.
“Another hidden treasure from uncle Freddie’s stash… It powers up and plays, not sure if all controls work- I’m not into synths/keyboards, but I did get some fun sounds through the headphone output! It needs a thorough cleaning and restoration/repair or is perfect for spare parts for your Delta. The joystick is broken off but is still functional, three slider knobs are missing, and the sliders and pots and could stand to be lubricated, tightened and/or replaced” 
“This is a Korg poly 800 in pristine condition. Comes with its adapter and very thing works. No noise no problems.” 
“For sale is a Korg Poly-800 in perfect working condition.
“Excellent working condition, all buttons and joystick work as they should. Some visible wear from use but always kept in temperature-controlled, smoke-free studio.” 
“Verkaufe hier meinen Mini Korg 700s,
“If you’re looking at this, I don’t need to intimate how great this synth is – the modulation capabilities are unique (particularly with the LFO trick, which this unit performs easily – I will show you how, if you pick her up).
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“Selling my Korg m500 , just seen one go for 395
“Up for sale the amazing Korg MS 20 from the late 70s. Fully functional, in good cosmetic condition. All the buttons, patches and keys work as they should. I used this synth for overdriven leads, baslines, cosmic fx and somethimes ran samples trough the filter to add some character. I have played the new ms20 and it sounds too clean and the filter does not scream like older version but not to say the new one is a bad synth. That’s why I prefer the old ms 20. I’m selling it because I need to move out and need money to cover my bills. So take advantage to own the true iconic ms 20. It comes with the european plug and psu converter to be used in usa. ” 
“This is Korg’s Polysix synthesizer from 1981. A knob for everything and no menus. Good physical condition except for the left rear corner. See photos. I built a new KLM-367 programmer board for it since the old one had the usual battery leak damage. Only the 8048 microcontroller and the Molex connectors were reused from the old board. Looks great, sounds great, everything works.”
“When I bought this synth in 1999, it was already 18 years old. At the time, it was in perfect condition, save for a couple dings in the wood. I used this in several studio albums and it also made more than a few trips to the stage. For about 8 years this was my go-to vintage synth.
“Up for sale is rare Korg X-911 vintage analog guitar synthesizer.
“This synthesizer is in good used condition, with some minor scuffs and scratches across the body. Power cable is hardwired. Pitch/Mod stick works as expected. Every key produces sound. Minimal testing of sound shaping functions though all seems to work. There may be issue of which we are unaware due to not being able to fully test this unit. Because of any unforeseen issues, being listed as Parts & Repair.”
“The MS2000R is, of course, the rackmount version of this beast. Although there is no keyboard and no real need for one, the 16 function buttons on the front of the unit can be switched into “Keyboard” mode in which they function as keys, mainly for demoing sounds while you’re programming it. This is a really great feature since most rackmount synths either don’t allow you to hear your progress from the actual unit or they only feature a one-note demo button to hear your sounds. The MS2000 is truly a well thought out instrument for musicians of any level looking for classic and new sounds within a quality digital synth with a sleek vintage look that’ll turn a few heads!”