” Korg DDD-5, Dynamic Digital Drums, Vintage Drum Machine . This item is being sold as is the reason is I cannot be sure it is working properly plugged it in with an extension cord that I have and the lights comes on and think seems to move okay but I have no way of testing the sound. Doesn’t include the extension cord. ” Click here to search for synths on eBay
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“Comes with power brick and carry case. 3 keys are intermittent – could be a quick fix for those that know how. However, it works faultlessly as a midi sound module.” 
“Korg Delta DL50 String Synthesizer analog synth DL-50 ORGAN STRINGS Black USED in very good condition working perfectly no cracks in the case all ink on face is very good I wish I knew how to plays keys this thing is very cool I cant stop messing around with it ” 
“1986 Korg DSS-1 Synth
“Korg Poly 61 Analogue Polyphonic Synthesiser – with Midi Kit (not yet installed). Synth is in great condition given its age, all the key beds are great and plays really well.” 
” * powers up but NO SOUND
“- VERY Good Overall Condition
“Korg Poly 800 with original manual, programing tape, Korg power supply, keyboard stand. 49 keys. I am the original owner of this keyboard.” 
“1986 Korg DSS-1 Synth
“It is KORG’s analog modeling synthesizer.
” Korg EX-800 Polyphonic Analog Synthesizer module from the 1980’s. Two of the buttons are harder to activate (5 and 6), but are functional. This is a used piece of vintage equipment. Receives MIDI, plays notes, loads patches. See pictures, case has some scuffs and scratches but functions normally.
“Korg MS2000R w/ power supply
“Excellent condition physically and operationally- no issues. Recently serviced and all buttons replaced.”
“Great sounding analogue synth and sequencer
“This is a genuine M-500 Korg Micro Preset SP, the very rare model with the built-in speaker.
“COLLECTION ONLY FROM MY LOCKUP IN PLYMOUTH. Korg DW6000 classic 80’s Digital synthesizer with Analog filters + Hard case. In full working condition, some signs of wear around the joystick, but apart from that it’s really clean and sounds amazing, it come preloaded with Analogaudio1 presets, which I paid for.”
“Item is in perfect working order. All keys, knobs, and buttons are functioning. Slight wear on back of unit (see pictures). Power supply included. Also comes with a custom fitted SKB Wheeled Keyboard Case (see pictures). Perfect for touring or storage. Extremely well padded so you never have to worry about transporting your gear.
“Excellent condition physically and operationally- no issues. Recently serviced and all buttons replaced.” 
“Vintage Korg Poly-800 Synthesizer w/ Case, Stand, Power Supply, Manual
“Korg 707 left behind by old roommate-has been stored in closet for years-was bought new and used very little and was given to me as payment for rent. I am not musical at all and dont know anything other than with batteries it turns on and does what I am told it is supposed to do-dont have an amp or anything to play this with. ” 
“like new..no scratches.. works perfect
“Comes with Korg DW 8000, power cable and Novation SL MK II controller with saved DW8000 template for plug and play!
“Korg M1
“Available for purchase: a Korg Polysix synth, upgraded with a new Kiwi Polysix power supply & CPU/MIDI board, a Tubbutec Polysex osc pitch/drift board, and new key contacts from LA Synth Co. Also included: original manual, Kiwisix box, and original Korg synth brochure. Everything is in solid cosmetic shape and works great. The keys feel brand new after the contact upgrade, and the knobs & switches are smooth and responsive. All button switches have been replaced. There are a few surface marks/scratches on the exterior of the case and could use a thorough cleaning overall. Please see photos for more detail. So there are no surprises, the inside of the case is cracked on the left side, causing a small opening in the rear. This isn’t visible on the side and doesn’t cause any instability. Beyond that crack, it’s a solid unit all around and definitely a one-of-a-kind synth. Sort of sad to see it go, but it isn’t being used as much as it probably should be these days. MIDI, audio, and power cables included.”
“Excellent condition physically and operationally- no issues. Recently serviced and all buttons replaced.”
“You are bidding on a Korg SB-100 Synthe-Bass Tested Works Great. Some minor wear on outside cover and one hinge is missing. Good Condition .”
“I’m selling my Korg MS2000 synth. It’s the green colored one with grey knobs, not the black one. There are some issues with this synth, first of all the wood side plate on the right hand side has been broken since the day I got it. There are a couple of the grey knobs missing and I’ve been unable to find them readily. They got lost when I moved here. Third, and most important is that there is a problem with the sound output on the synth. For some reason after the synth has been on for a few minutes, the sound output diminishes rapidly until there is no sound output at all. I have zero idea what’s wrong with it. Another thing that happened once was that upon turning the power on, there was an error code on the LCD screen. I was able to turn the synth off and back on and it never happened again, but I figured I’d mention it. No idea why that happened. I’ve called a couple places in the area to have it looked at, and no one ever gets back to me, so I’m going to sell it. If you’re good with these things, you might fix it for next to nothing, or it might have something more major wrong with it. I fix cars, not synths unfortunately, so I’m at a loss with what could be wrong here. Other than the missing knobs and broken wood side plate, it’s in very nice condition physically. ”
“Original owner, barely used. All buttons work like new. A vintage classic. Rumor has it that Joe Jackson wrote parts of ‘steppin out’ on this. Great, cheesy 80’s sounds. Comes with original power cord, works with batteries too!”
“Two of the rubber feet are missing (I’m fairly certain that replacements can be found at your local hardware store) but otherwise the pedal is in great condition.”
“Korg 707 left behind by old roommate-has been stored in closet for years-was bought new and used very little and was given to me as payment for rent. I am not musical at all and dont know anything other than with batteries it turns on and does what I am told it is supposed to do-dont have an amp or anything to play this with. ”
” Serial # 152237: This is a Vintage 1980’s used Voltage control Korg SQ-10 Analog Sequencer. 3 channels of output control voltages. 2 of which have cool Portamento function knobs with depth of those parameters for really funky cool techno slide effects from note to note. A 2 input voltage adding+summing section. switchable voltage ranges on top 2 channels for more flexibility. Models like this were used by famous electronic music bands like KRAFTWERK , Covenant and more. Mini LED’s track each note programed . Used with Korg MS-10 MS-20 and MS-50 model synthesizers + the triggers can sync reset with other related Korg Analog gear of the time period that also use triggers instead of voltage gates. Rare Item. ”
“Works “partially” – some of the sounds are weak. Some don’t seem to work at all, and some work after the unit has warmed up. Here is a list:
“nice condition cord 707 vintage synthesizer in working condition no power supply portable powered by battery 6C batteries and can be worn like a guitar.ALTHOUGH WORKING GOOD STILL WILL BE SOLD AS IS.”
“Up for auction is this small keyboard, tested and IS NOT working good, turns on keys are in good conditions, all buttons look ok, the sound is kind of fuzzy/distorted, the battery compartment has light rust on it, the banks change but again, the sound is not good, it will need some repairs to make it sound like it should,”
“Description: . comes as seen. Analog Synthesizer. see pictures. Please see all pictures. Really nice. this is the