“AWESOME KORG POLY-61 SYNTHESIZER in EXCELLENT CONDITION, HAS THE BEST AND LOWEST SUBSONIC BASS NOTES POSSIBLE WITH PRO STUDIO MOOG SOUND PATCHES, FULLY PROGRAMMABLE DUAL OSCILLATOR MODEL HAS ONBOARD PROGRAMMER, ALL KEYS AND CONTROLS WORK LIKE NEW, INCLUDES USER MANUAL VIA JPEG EMAIL TO BUYER, READY FOR LIVE OR STUDIO GIGS, HOLDS UP TO 64 DIFFERENT PATCHES ONBOARD with ALL PARAMETERS, AND UNLIMITED BACKUP VIA BACKPANEL PORTS, WITH GORGEOUS SYNTH PADS AND ONBOARD ARPEGGIATOR. ”
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“some wear, considering it is about 35 years old. Has been in storage for 20 years, but is in working condition. Some keys stick or need to be played harder before they will sound”
“Working Korg Poly 61 Analog Synth, comes with a digital copy of the manual. As this is a vintage synth, it will need some TLC.
“Up for sale is a fully serviced and 100% functional Korg Poly 61 vintage synthesizer. The original NiCad battery has been removed and replaced with a much more reliable lithium type.
“FS: Clean #Korg #Poly61. 3&4 numeric buttons double-press at times but totally work (replacing tact switches of all numerics would be wise at some point). Also, 1 or 2 keys need their contacts reseated/cleaned. Again, all work but I’m a very discerning seller who strives for maximum accuracy. If you’re wanting an 80’s 2 DCO polysynth with a lush sound akin to the Juno 6/60 and has an arpeggiator w/ arp input for stepping via a trigger/gate and doesn’t break the bank, this is it. ”
” 1983 Korg Poly 61 home use only never gigged I’ve owned it from new, works fine. cosmetic damage to C key one octave down from top,(see photo) replacements are about £6 off e-bay. I’ve lost the manual but it is self explanatory parameters are printed on the top as you can see, so you type in the parameter number and adjust as you key the sound, simples. Collect only please.”
“Korg Poly-61 vintage analog synth for parts only. It powers on and produce sound, but does not sound correct. Sold As-Is.”
“FS: Korg Poly61: 80’s 2 DCO goodness with chord memory & an arp (arp can trigger chords in chord mem mode). Theirs also an arp trig input for stepping the arp ala #Juno60/6. Filter sounds a lot like the #DW8000 to me. Everything works. A few of the numeric buttons could stand to have their tact switches replaced, but they do work. Sold as-is due to the unpredictable nature of vintage synths.”
“The Korg Poly 61M, first of the Nobless synthesizers, is the same as the Poly61 but with a MIDI in/our port. This machine is in superb shape, with excellent circuit board, and all components are in full working order. The best way to see how amazing this instrument this is, is by watching a short tutorial on the two best selling points of this instrument- the arpeggiator and, of course, making programs that can be saved to memory. The biggest cosmetic defects are a ding in the back corner (visible in the power-cable photo, and some spray paint dots on the left side).
“Vintage Korg synth, the unit powers up and makes some noise but not the correct sounds. I believe this is may be due to the internal battery failing. Lots of potential” 
“Nothing comes up on the display
“Serviced one month ago at the excellent keyboard repair department of Main Drag in Williamsburg, Brooklyn, this Korg Poly-61 M works perfectly, has cleaned pots and switches, and comes with all the original factory presets on board. Has a few cosmetic dings and nicks on the wooden side panels, but otherwise like new. Condition excellent / very good. RARE. This is the only one I’ve ever seen. Arpeggiator and joystick plus the chord memory feature make this a unique addition to anyone’s analog keyboard collection. Great for the ‘Stranger Things’ vibe too. Gritty 80s basses, weird squiggly strings, fun to play with the joystick to modulate the sounds.” 
“Pre-owned; good condition; fully functional” 
“Vintage Korg poly 61
“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.
” 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.”
“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.”
” One owner always stored in case.”
“1982 KORG Poly-61 Poly61 Vintage Analog Polyphonic Synthesizer Works! Roland Juno 60
“Excellent condition. Near mint with only minor signs of wear, very clean considering the age of the keyboard. Came from a major label artist’s studio, he had purchased this recently as a refurbished unit. I don’t currently have the refurbishing details but it is fully functional and in excellent shape. It also has midi input! Very clean throughout. Class vintage Korg!”
“Korg Poly 61M with a new battery (a genuine made-in-Germany Varta NiMh).
” Here we have a Korg Poly 61 with issues, I have had this for a few years with the intention of fixing it. It lights up and makes sound but has suffered from a battery leak .
“You are bidding on an excellent Korg Ploy 61m with midi. Amazing synth with that classic analog sound.” 
“Korg Poly 61M with a new battery (a genuine made-in-Germany Varta NiMh).
“1983 KORG Poly-61 Poly61 Vintage Analog Synthesizer For Parts or Repair
“For auction is a storage sale find of a KORG POLY-61M Synthesizer. Item powered up fine and I was able to get sound from all keys. I was also able to make various cool sounds at different settings. That’s pretty much all I can say as I’m no expert in synthesizers, much less a musician. Please take the time to review all the pics and watch the video so you can get a better feel as to what’s being offered here.”
“I have been the sole owner of this synth and have kept it in excellent condition. I have tested every slider, knob, pot, and key, and everything is fully functional! When I opened the case to inspect the components, I was pleased to see that it was nearly spotless. (See pics) The battery is old but in great shape and when I put it on the meter, it maintained a steady 3.3 volts. (Brand new it is rated at 3.6 volts.) All patches are intact and fully functional. The carbon contacts that sit under each key had oxidized with age, as would be expected, so they have been restored and all 61 keys work perfectly. I also connected the MIDI input to my Korg M1 and was able to trigger the Poly-61 as intended.