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Yamaha TX7

“Up for auction is a vintage Yamaha TX7 synthesizer module. It’s in good cosmetic condition, and all the parameters I can access seem to work fine. The unit is basic and spartan by today’s standards, but if you need that ONE special DX7 patch, the TX7 is the place to go.” Click here to visit listing on eBay

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Yamaha DX7

“Inside is clean, keys all work correctly, outside has some scratches. Powers up, good memory voltage, sometimes will play fine from internal patch, but will always play from an external ROM cartridge (included).” Click here to visit listing on eBay

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Yamaha DX7

“This listing is for a vintage Yamaha DX7 Digital Programmable Algorithm Synthesizer. It comes with Voice ROM #3 – A) Master Group

 B) Keyboard & Plucked Group  

It has been in storage for several years and has been dropped a couple times so the case is damaged. Also the plastic overlay has a couple of holes on the Memory Select Buttons.

It turns on and plays sounds when the keys are pressed. The velocity sensitivity seems to work like it should & the polyphony appears to be right.”
Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7 in nice working condition for age. Sounds great, brings you back to the 80’s! Comes with a cartridge and has had the battery upgrade modification so the battery can be changed out manually in the future.

Condition: Pre-Owned Good

Shows normal amount of wear for age, tested and working great. Has the following flaws:
1. both end caps have some cracking or are a little broken (see pics)
2. top has a dent but not too big
3. not certain but modulation wheel may or may not be working” Click here to visit listing on eBay

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Yamaha DX7

“Very Rare Vtg Yamaha DX7S Digital Synthesizer A Few Keys Need To Be Repaired. ”
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Yamaha DX7

“Yamaha DX7 MK 1 ;

The original and best DX7, it has 12bit DACs and gives a grittier sound than the later DX synths and emulators.

Perfect working order.

– very good cosmetic condition ( there are a few small marks and scuffs on it but overall it’s very tidy)

– serviced with a recap and power supply rebuild

– keybed contacts and springs rebuilt, serviced and working great

– comes with stienberg YamRam card that expands patch memory from 32 to 256 ”

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Yamaha DX7

“I’ve used this for about 35 years. Still sounds the way it did when I purchased it.” Click here to visit listing on eBay

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Yamaha DX7

“The Yamaha DX7 Synthesizer is preowned and in good condition, it has some wear on it from use. It has been tested and works, it comes as shown in the pictures provided.”
Click here to visit listing on eBay

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Yamaha DX7 Project Machine

“Yamaha DX7 Synthesizer.

Needs internal battery. May have other issues but battery message displayed and no further testing was done. Missing Slider cap.” Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7 Digital Synthesizer Keyboard W/ Hard Road Case
(stand not included)” Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7 Digital Synthesizer Keyboard.

Has one broken key that needs repair, otherwise functions as intended.”
Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7 KEYBOARD synth dx7s. Used condition ,with usual age related marks , digital display lights up when plugged in . Includes data cartridge.”
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Yamaha DX7

“Yamaha DX7 KEYBOARD synth dx7s. For spares or repairs it does light up but I have no means of testing it as I do not have the necessary equipment to test so this is why I am selling it as spares or repairs also it does come with the case as shown in pictures this is for UK postage only as will not ship outside of the UK it does come with a ROM cartridge which is in the machine itself” Click here to visit listing on eBay

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https://www.synthfind.com/wp-admin/link-manager.phpYamaha DX7 II FD

“Fully functional, tested, and works 100%. Excellent cosmetic shape, really nice looking! The button controls engages nicely. Minor marks/scratches. Has all the original factory sounds. New battery.

Comes with the detachable music sheet stand, manuals, guide books. ”
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Yamaha DX7

“FOR YOUR CONSIDERATION IS A

VINTAGE

YAMAHA
DX7
(MK1 CLASSIC)
DIGITAL, PROGRAMMABLE, ALGORITHM
SYNTHESIZER

SERIAL NUMBER: 4379

TESTED AND WORKING

FEW SCRATCHES BUT OVERALL GREAT SHAPE FOR AGE

PLEASE SEE PICTURES AS THEY ARE OF THE EXACT ITEM YOU WILL RECEIVE

VOLUME POT A LITTLE SCRATCHY WHEN MOVED BUT HOLDS PERFECTLY FINE

KEYS IN GREAT SHAPE WITH NO ISSUES

POWER CORD IN GREAT SHAPE

ALL FUNCTIONS WORK”
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Yamaha DX7

” Yamaha DX7 Synthesizer Immaculate Condition, hardly been used over years pretty much sat in its hard case for its whole life.

All keys move freely and all buttons and sliders work etc.

Will have factory stock sounds loaded on.” Click here to visit listing on eBay

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Yamaha DX7

“This auction is for a Vinatage Yamaha DX7 Digital Programmable Algorithm Synthesizer. This item is being sold for “PARTS OR REPAIR” because I am not able to test it for functionality, so please bid accordingly. If you have any questions please message me prior to purchase. The winning bidder will receive exactly what is pictured.” Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7 Synthesizer.

In excellent condition and good working order.

There are 2 sound cartridges that I will bundle with it.” Click here to visit listing on eBay

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Yamaha DX7 II FD with Grey Matter E! Expansion Project Machine

“YAMAHA DX7II-FD DIGITAL PROGRAMMABLE ALGORITHM SYNTHESIZER KEYBOARD – Read!.

The keyboard turns on. Unable to get sound out of the headphone jack but I have no knowledge on these keyboards. Comes with the cartridge as shown.

Please review pictures for details on contents and condition “ Click here to visit listing on eBay

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Yamaha DX7

“It works perfectly. You’ll see some plastic missing from one side and a small dent on the other in the pictures. When it was shipped from Japan they apparently didn’t pack it very well. Will make sure to pack it better than they did. Dents do not affect playability.” Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7 Digital Programmable Algorithm Synthesizer.

Piano has cosmetic wear/scratches.” Click here to visit listing on eBay

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Yamaha DX7

“Description: Up for sale is a Yamaha DX7. it is in great condition for its age (1983). It has been tested and is working properly. all keys work and sound crisp. please see pictures for more details!” Click here to visit listing on eBay

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Yamaha DX7

“This is a wonderful machine, one of the classics of synthesiser technology. The case has a few scratches and a couple of tape marks on it, apart from that there’s nothing wrong. All the keys, buttons and slides work fine.” Click here to visit listing on eBay

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Yamaha DX7

“This listing is for a YAMAHA DX7 Super MAX.
Upgraded with SUPER MAX Extension Board and Backlight LCD Display.
Working properly. Super great extension DX7!!
Sometime the display may show the message “Change Battery” at start up.
The battery has been replaced with a new one, and the memory is retained regardless of that message, so disregard it.
This unit is for 100Voltage.
You may need a voltage converter.” Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7 Digital Programmable Algorithm Synthesizer – FOR PARTS OR REPAIR!!* This item was found in a storage unit I bought at auction! This keyboard seems to be in great shape for the age! Comes in a hardcase it powers on and reads needs battery! No other testing done as I do not have a amp or anything to hook it up to why being sold as parts or repair! Comes with 11 data sound cartridges which are also untested but included are*dx-7 voice rom ×2*top forty rom*wedding band rom*unique rom*bo tomlyns analog 1 rom*bo tomlyns analog 2 rom*bo tomlyns best of usa rom*yamaha dx data cartridge*dx ram*64 voice data ram ×2* case has some pet hair on the outside! The keyboard just had minor dust which I wiped off” Click here to visit listing on eBay

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Yamaha DX7 with Grey Matter E! Expansion

” This Yamaha DX7 is the cornerstone of 80’s synths… a beautiful instrument…

Trust me, I’ve owned 5 of them! This one is my favorite because it has the Grey Matter Expansion inside, which, if you do not know about it, please visit this website: http://www.muzines.co.uk/articles/grey-matter-response-e/2082

But, it is awesome…and it is in excellent shape (other than the physical wear from being over 30 years old).

I PERSOANLLY opened it up and cleaned and adjusted each and every contact inside so that there are no keys that have issues upon being pressed. (often, over the years, the contacts get dirty or bent, which impairs the touch sensitivity.

Rest assured, every key works perfectly and the inside is in excellent condition.

If you are not put off by the scratches and scuffs, you will be getting one of the best DX7’s around.

The Grey Matter E! expansion (which I photographed for you) is what sets this instrument apart from others.

ALSO, just another annoying thing that you won’t have to worry about: I replaced the battery inside (a little CR 2032 battery which controls the memory…often they are dead in 30 year old instruments…but I replaced it and soldered it onto the board as it is supposed to be).” Click here to visit listing on eBay

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Yamaha DX7

” Yamaha DX7. Digital programmable algorithm synthesiser.

Selling on behalf of my dad – he bought it new in the 80s. UK power operated. In good working condition. One sticker and a few sellotape marks. See images.

This listing includes: 3 ROM cartridges, 1 RAM cartridge, custom-made semi-flight case, original operating manual, books, various loose guides and patches from magazines. Paper may have a few pen markings.” Click here to visit listing on eBay

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Yamaha DX7

“Up for sale is our classic Yamaha DX7.

The unit has been recently serviced. This included recapping the power supply and also changing the suppression capacitor on the power input board.
Memory battery was changed and presets loaded.

Cosmetic condition is excellent overall. There are some marks and blemishes.” Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7 61-Key Synthesizer Keyboard w/ Case & #3 Cartridge. Internal Battery is at 2.8v

So all the keys work and I went through the presets and all of them worked. The backlight for the display isn’t working. I don’t know how to use the functions. The volume knob works the pitch and the modulation work as well. I think it may need an internal battery but I’m not sure. I’m selling this working for parts or repair due to the light and me not being able to test all the functions properly besides the keys. I don’t want to hide anything but I want you to know that it does play nice and sound good. I took a close up of the chunk that’s out of the back corner. Other than that it’s in fairly nice condition. A little bit of tape residue here and there. The case is solid but the interior padding isn’t super protective so I’m going to add some extra protection when I ship it so it doesn’t move. It will get to you safely. I’m going to wrap the keyboard case and bubble wrap and then put it in a box.” Click here to visit listing on eBay

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Yamaha DX7 IID

” Yamaha DX7 IID FM synthesizer

Bought new in 1988. Never gigged, light home studio use only.”
Click here to visit listing on eBay

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Yamaha SY77

“Yamaha SY77 Vintage Keyboard FM Synthesizer 1989.

Reasonable offers considered. US Seller. Fast and safe shipping with full insurance coverage over full purchase price.

B+ cosmetic condition.

Some wear from use over the years, but nothing major on the top case.

One palm sized dent on the bottom cover fr the previous owner trying to take the cover off without removing all screws. Still sits flush and this doesn’t affect any functions of the keyboard.

One screw missing from the bottom cover. Plastic threads for screw broke off. Will be included with sale to be reglued in.

Tact switches do all work, but “enter” & a couple of others need a solid press to work. Could just need cleaning, could need replacing. Will possibly attempt to replace faulty tact switches before sale.

Missing (1) plastic slider cap for data entry slider.

Backlight on display non functioning. Display still legible. Planned on upgrading to modern replacement instead of changing backlight.

All keys have been removed and keybed has been throughly cleaned and re-lubed. All keys function as they should and a couple of keys have been replaced due to faulty plastic clips.

Floppy drive has been cleaned with a new belt installed. It is fully functional now.

Internal Battery original but fully functional.

Includes original sound banks along with 64 updated sound banks with vintage Analog type sounds.

Very solid FM synth. Dx7 on steroids.” Click here to visit listing on eBay

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Yamaha DX7 II D

“Yamaha DX7IID 61-Key 16-Voice Digital Synthesizer.
+ Floppy Disk w/ Extra Sounds

Tested and has a bit of distortion selling AS IS. Can’t tell on some patches.” Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7S synthesizer. Pick up only: Liverpool. North West England. Fully working There are some small scratches, rust and small written marks please check photos, pick up only” Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7 Digital Programmable Algorithm Synthesizer From Japan Used.” Click here to visit listing on eBay