“Unit is in wonderful condition and with battery cover. It should be noted that there are slight markings near the rear of the left-hand side panel and back where I cleaned the device. This is fortunately out of sight. No apparent marks on the front panel. All sliders and switches work without noise. Lovely condition with no niggles or faults. My very first synthesizer! Shame to see this one go. Comes with PSU but no manual or original box.” Click here to search for synths on eBay
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“Yamaha CS-5 Vintage Analogue Synth with Kenton filter CV socket upgrade.
“Vintage Yamaha DX11 Digital Programmable Algorithm Synthesizer. Powers up but displays “Change RAM Battery error 101″.”
“Old “SnaggleTooth” has had it’s share of memories. Synth is complete, clean and smooth. I ran signal into it and have sequenced sounds out of it, many records have been done on this one. Love it to death, but priorities are different now, so this must go. Kenton Cv to Midi workls as expected, neither has been out side of the studio, so these are extremely clean.”
“Sold as is it powers on and comes in good shape, I have no way of testing every feature so it will be sold as is for parts, sale is final buy it now”
“The CS-50 is known to be like the younger brother of the famous CS-60 and CS-80. The CS-50 is a more simple version of the CS-80. While having the same audio quality at a much lighter weight, the CS-50 is a 4 voiced polyphonic synthesizer with 49 note keyboard which also has after touch feature. The CS-50 has 13 presets of various instruments and a panel section which allows you to design your own sound. You can be sure to get the classic Yamaha sounds from this synth!!” 
“Clean, all printing un scrached, good keybed, needs new backup batt and rom flash. does not power on.
” One owner, unit tested and working sound generator.” 
“Here is a clean used Yamaha SY85 Synthesizer. It works and sounds great however the Disk Drive is not working as it needs new replacement belts. It has the normal wear and scuffs but overall in good shape. Comes with the original power cable and a House/Techno sound patch disk.” 
“I include the original manual, power supply and midi cable. It´s the magnesium frame version.” 
” A good Ol TX7. This one works, though it probably will need the battery replacement as it resets to factory e-prom. The display is clear. Seems like there are plenty of proms and batteries here..”
“Great unit! Yamaha TX81z Synthesizer Module True Vintage FM Synthesis! Preset card still attached! Great condition!”
“Zum Herumstehen einfach zu schade. Yamaha TG77 Soundexpander/Racksynthesizer incl JSPA Soundcard wegen Hobbyaufgabe zu verkaufen. Normale Gebrauchsspuren vorhanden, technisch einwandfrei.
” Zum Herumstehen einfach zu schade. Yamaha Synthesizer DX7. Wegen Hobbyaufgabe zu verkaufen
“I am selling my vintage Yamaha DX27.
“very good condition. works very well.” 
“Up for sale is a Yamaha fm tone generator.
“Up for bid is a Yamaha DX7. Unit dies not function, sold AS IS, for repair or parts.” 
“This Yamaha Dx7 II is in great, working condition! Just don’t need it anymore, comes with Ram 4 card and bag!” 
“Rack version of DX7.
“Previously owned NOT WORKING PROPERLY Vintage Yamaha DX9 Synthesizer
“Used Yamaha TG55 Midi Rack Digital Synthesizer. Device is in good condition. Missing the knobs for volume and data entry (as seen in pictures).
“Classic Yamaha FM synthesis right here in a box.
“Reasonable condition. A few scratches and a small dent on the top casing, but works OK.
“Yamaha SY55 synthesiser.
“Yamaha DX100 keyboard. In excellent condition and woking order.
“Previously owned.”
“This unit is in very good condition, has not been on the road, and has spent its life in a smoke free/pet free/kid free home. I am the original purchaser/owner. I enjoyed using it, but never did use it heavily. This sat in the closet the last 20 years since I use a different keyboard. It’s in very good condition, minimal scratches or scuffs, and even still has the slide-out preset guide card. (see pictures)
“Clean, all printing un scrached, good keybed, needs new backup batt and rom flash. does not power on.
“Up for auction is a Yamaha TX81Z FM Tone Generator Synthesizer Rack Mount. Comes with manual. Works great, has cosmetic wear which is shown in pictures.” 
“This is a 66 key version of the Yamaha Synthesizer, flagship model from around 2000.
“This is an absolute monster.., a rare and great machine… built like a tank!. You probably know this if you are looking.
“This synth is in great working condition and shows no signs of giving up after so many years. Built very solid. Replacement (not original) power supply is included.