“Vintage Casio CZ-101 in great condition. I tested this and it seems to be in excellent working order. Includes a silver Casio soft case that looks like something a 1980’s astronaut would use. There is what appears to be a 1/8″ audio jack added to the upper left corner of the case (please see photos) but it doesn’t seem to affect anything. Auction is for the keyboard and case. I tested this out with a generic 9V power supply.” Click here to search for synths on eBay
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“EMU ANALOG VOLTAGE INTERFACE :
“It is In perfect working order with some minor cosmetic wear on the top. It has the original firmware.” 
“Make Noise Maths is in excellent condition and 100% functional. This is the latest version (2013).” 
“? Fully Functional Ensoniq ESQ-1 Digital Wave Synthesizer with program cartridge.
“Legendary Teenage Engineering OP1 Synthesizer purchased in December 2016 but hardly used. If you don’t know it, the OP-1 is an all-in-one portable synthesizer, sampler and controller. with additional features like a built-in FM radio and an assignable G-force sensor for motion controlled effects, there is quite nothing like it.
“Looks great powers on all buttons intact item is great for its age” 
“Only selling this because I now have too many sequencers and my modular rig is evolving again!
“Beautiful rare Moog Liberation. Been in my collection for over 15 years. Comes with stand and shoulder strap all cables and module Truly museum quality.” 
“A well looked after classic synth, this Moog Prodigy is fully working and has been well loved, I am gutted as I list this beloved keyboard it has been little used kept in warm non smokey environment, selling only due to financial pressure.” 
“I bought this years ago from a local high school surplus auction. I purchased a new power supply for it and used it off and on just at home. Very easy to get lost in this machine for hours. I have not used it for about a year now and it is time to let go. I set it up prior to writing this description. The unit functions very well. I sprayed some Deoxit Fader Lube in the faders however the switches should still be treated too. The octave selector is the scratchiest but it works on all levels. All modes work, all keys work. Small crack on top of pitch control. Included is the power adapter (not original although it is the correct one) and original box minus the packing. Unit will be shipped in a separate box to keep the original intact. This is a vintage electronic item and has not been used regularly or serviced. Even though it is working I can not offer a warranty on this item. It is being sold as-is due to age. I can however guarantee that it will NOT be DOA.”
“Realistic (by Moog) Concertmate MG-1
“Mini Moog Synthesizer, Manufactured in 1978 , Good condition, with small amounts of wear to wood. I am the original owner, bought it new in 1980.
“We assume that it’s early model by Serial number (3167), Modulation Wheel and trim pot on the back.Missing rubber parts (like legs) on the bottom.There may be a few cosmetic damages like scratches, marks/dents and rusts on the metal parts.Please understand that this is a vintage item.Set-up & Cleaned-up by specialists in a music store in Japan.All hardware/electronics are functioning as they should.Ready to play when you get.”
“For your consideration I have a used Moog MG-1 synthesizer. It comes from a clean smoke free home. It sounds amazing and is 100% functional. The sliders are smooth and the keys still have good action. This one is completely unmodified 100% original, but there are some really cool mods out there, ” 
“Classic Original TB303
“Beautiful synth, well looked after with no problems whatsoever.
“An amazing keyboard from a personal studio. VGC see photos” 
“Faded cover plate From cleaner with acetone. but in pristine condition otherwise.”
“Classic Juno sounds in a compact vintage analog package. The synth has some scratches and dings on the body as can be expected from a 30+ year old synth, but everything is fully functional. Note that there was a “music stand” thin plastic ridge that used to sit on top of the body which is missing from this unit–you’ll notice 4 small holes in the top where it used to mount (see pics). This in no way affects the function of this great instrument (and IMO had little practical use anyway).”
“ROLAND JUNO 6 POLYPHONIC ANALOG SYNTHESIZER.FUNCTIONAL AND FAIRLY CLEAN.ALL [61] KEYS ARE THERE AND WORK….I HAVE OWNED IT FOR MANY YEARS BUT DO NOT USE IT ANYMORE.LOOK AT THE PICS CLOSELY.THE ONLY 2 FLAWS I CAN FIND-BURNS ON A FEW KEYS.AND THOUGH THE LAST TIME I USED THE ARPEGGIO IT WORKED FINE,WHEN I RECENTLY TOOK IT OUT FOR CLEANING AND TESTING,I NOTICED THAT THE MODE SWITCH HAD EITHER BROKEN OFF OR DROPPED INSIDE THE UNIT.NOT THAT LONG AGO,I HAD THE POWER CHORD REPLACED,SO IT IS POSSIBLE IT FELL INSIDE.ONE WAY OR ANOTHER,THAT NEEDS TO BE REPAIRED.EVERYTHING ELSE FUNCTIONS FINE.” 
“Roland JP-8000 synth in excellent, non-smoking, studio kept condition. There are a few scratches on one side panel, but it is rare to find one in this great of condition. New battery added recently. It looks great and works perfectly.” 
“really amazing condition WITH THE ORIGINAL BOX!!!
“Item is in great condition and fully functional and includes din cable.” 
“Up for sale is a Roland Juno 60 produced in 1983 in very good condition selling ‘as is’.
“Thanks for looking at this Jupiter-6 is all original, and in amazing, cherry cosmetic condition, blinking LEDs and all! You will be hard pressed to find a Jupiter 6 from the mid-1980s in CHERRY condition! 
“Cosmetically it is in excellent condition. Very clean but we recommend maintenance.
“This Juno 2 powers on and mostly works, the keys marked in blue are non functioning. Keyboard exhibits signs of wear, volume panel is loose and can be lifted from the back plate. This is a good parts keyboard for a tinker or someone looking to get into a synth repair. Selling this keyboard as it is.” 
“I am selling my used Roland Alpha Juno-2 synthesizer. Tested for power only.
“Listing is for what you see in picture.The unit shows wear from use and age. 3 keys missing and power cord cable looks damaged. Does not power on. Untested and doesn’t work properly. – Sold broken!” 
“Partially working with faults!
” This keyboard is in very good condition. Its been tested. Everything works. The battery was changed out about 4 years ago.” 
“This is a used item. Not sure if it works or not” 
“In tested working condition. However, the joystick is loose and needs fixing. It can only trigger the oscillator function. It can also probably use a proper cleaning. Original adapter included.”