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Yamaha DX7 w/ Grey Matter E! Expansion

“The item is Pre-owned and has some signs of use/wear.

The unit is partially tested and it does power on. The internal battery was replaced. It has some error “Memory Corrupt,” and it doesn’t play (you still can hear some sounds, but those are more likely beeps…)

Nothing else is tested due to no knowledge of this kind of equipment.

Included the pictured Yamaha DX-7 unit with the pictured carrying case ” Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7 – great condition cosmetically but for a couple of stickers on top which would be easy to remove. Tested all the preset patches – a couple of them said “storage low” and the volume seemed lower than others on some patches. The display is clear and easy to read. I am not a “synth” guy so I cannot fully test this unit to see if there might be other issues. Selling cheap “as-is” – no returns – will ship in 2-3 business days of cleared payment. Thanks for looking!” Click here to visit listing on eBay

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Yamaha DX7 II FD

“You are purchasing a Yamaha DX7 II- FD Synthesizer Keyboard! Comes with nice padded gig bag. Fully functional works as it should. Keyboard is nice and clean. ” Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7 programmable digital synthesizer, in good working condition, with padded, sturdy case, 2 data rom cartridges and 1 data ram cartridge (for storing user-created patches), and a music stand that attaches to the instrument. This is the original DX7, purchased new by seller, kept in good condition. 61-key keyboard with velocity and aftertouch sensitivity. All keys and controls are in working condition. ” Click here to visit listing on eBay

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Yamaha DX7 II-FD with Grey Matter E! Expansion

“This is my Yamaha DX7 IIFD with the Grey Matter E! expansion. I’ve had this in my smoke free studio for 5 years (since buying it) and it’s never moved.

The battery replacement mod was done and I swapped out the battery about 2 years ago. It’s very easy to do if the battery fails again.

All the switches/buttons/keys and outputs work as expected. The Grey Matter E! section is in the menu and appears to be working normally but it’s a bit arcane to me. The sound engine works normally with dual/split patches and editing working as expected.” Click here to visit listing on eBay

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Yamaha DX7

“In very good overall condition. Doesn’t include a case or bag. Has no signs of wear from use other than minor marks. Tested, fully functional and in good condition. Comes with what is pictured.” Click here to visit listing on eBay

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Yamaha DX7 II FD

“Pre owned Yamaha DX7 II-FD which comes in a vintage Calzone Case Co. Case that has custom foam cutout to fit. It has been tested and is in full working condition. I’ve included a video as well.

Please note that case does have some yellowing spots on the foam as pictured. ” Click here to visit listing on eBay

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Yamaha DX7 IID Project Machine

“Turns on but no sound…through headphones anyway. Seems to function otherwise. About 6-7 broken keys. Very heavy, hence the shipping cost. ” Click here to visit listing on eBay

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Yamaha DX7 IID

” Comes as shown – see video
Powers on, we were able to get sound from programmable buttons (speaker NOT included), we were unable to test any other functions therefore selling AS IS with no returns
Unit has scratches, marks from use/storage
May need additional cleaning
Please see all photos
Please ask any questions before purchasing” Click here to visit listing on eBay

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Yamaha DX7

“This Yamaha DX7S Digital Synthesizer Keyboard is a great addition to any musician’s gear. With 61 keys, it allows for precise and expressive playing. The keyboard is designed for use with a variety of music software and features velocity-sensitive keys for accurate and dynamic playing.

The synthesizer is perfect for musicians who want to elevate their music to the next level. It comes equipped with a range of features that include digital technology, making it easy to create unique and personalized sounds. The Yamaha DX7S is an excellent choice for anyone who wants to explore the world of digital synthesizers.” Click here to visit listing on eBay

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Yamaha DX7

“Used – Shows some scratches, smudges from normal use – Tested and working – Please see photos for the exact item you will receive as pictures show actual item”
Click here to visit listing on eBay

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Yamaha DX7

“This Yamaha DX7 digital programmable algorithm synthesizer keyboard is a vintage gem from the early 80s. It has 61 synth keys and a MIDI (DIN) in for easy connectivity. The keyboard is made by Yamaha, iconic sound, Battery is 2.8v. Hard to find is this condition. ” Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7 iconic synth from the 80s.

Really great condition for its age, everything working as it should. Built like a tank.

Iconic synth and sounds. Selling as I’m downsizing my studio but I love this baby.

Comes with ROM cartridge with 64 additional presets.

I also have an additional rare 128 slot RAM cartridge (for loading custom sounds and downloaded presets) available at an additional cost £80 extra. ” Click here to visit listing on eBay

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Yamaha DX7

“I believe this bad boy does not need any introduction! What matters here is the condition, which as you can see is as close to perfect for its age for the exception of the side panel which was cracked in delivery to me. The unit itself is very solid. It has almost no scratches, no dents or dings. Once again the side panel is missing a small piece of it but everything else is absolutely perfect. The DX7 panels are very delicate compared to their entire structure, which is metal. The damage has absolutely no effect on the functionality of the unit.

This is the 100V unit. I plug it in to the US 110 wall plug without issues but if I’m going to have it on for hours then I use the transformer to 100. It will get hot if I don’t so it is safer to have a step down transformer. Thank you” Click here to visit listing on eBay

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Yamaha DX7

“This is your chance to own an original Brown DX7 in mint condition. There are no surface scratches or worn membrane buttons. This is a collectors dream!

this DX7 also features the FULLTINES patch that was only offered on the DX7II as well as a couple of patches from the TOTO collection. Internal battery was replaced this year and should offer many years of internal memory.

Included are Data cartridge 3 and 4 with a Yamaha cart pouch, an original Yamaha breath controller and two demo cassettes. One cassette is programming instructions and the other is Demo songs by David Paich and Steve Pocaro of Toto. This is easily one of the nicest DX7’s in the United States! ” Click here to visit listing on eBay

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Yamaha DX7 Project Machine

“Vintage Yamaha DX7 Synthesizer (not working) the most likely fix is a new battery and a factory re-set, however this is only an educated guess on my part after doing some research. I played it for many years and has been stored in a case and out of dust.The original book is included. I don’t have the tools, knowledge or time to make the repairs myself. – Aaron” Click here to visit listing on eBay

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Yamaha DX7

“I believe this bad boy does not need any introduction! What matters here is the condition, which as you can see is as close to perfect for its age for the exception of the side panel which was cracked in delivery to me. The unit itself is very solid. It has almost no scratches, no dents or dings. Once again the side panel is missing a small piece of it but everything else is absolutely perfect. The DX7 panels are very delicate compared to their entire structure, which is metal. The damage has absolutely no effect on the functionality of the unit.

This is the 100V unit. I plug it in to the US 110 wall plug without issues but if I’m going to have it on for hours then I use the transformer to 100. It will get hot if I don’t so it is safer to have a step down transformer. Thank you” Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7 Synthesizer

Includes:
SKB Hard Shell Case
2 Yamaha Foot Pedals,
2 Cartridges #3 and #4,
Music Stand that attaches to Keyboard

The synthesizer was my daughter’s and was last used for a high school jazz band about 20 years ago.” Click here to visit listing on eBay

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Yamaha DX7

“for local pickup.

YAMAHA DX7 with Rom cartridge. Powers on, no error msgs.

This unit was shipped from Japan originally and includes
the blue power adapter to work in the USA. see photos.

Pulled from a smoke free professional studio.

Item sold as-is.” Click here to visit listing on eBay

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Yamaha DX7

“Yamaha DX7 Mk 1 with Cartridges

This DX7 has had one owner from new

It’s had a life cosmetically but is in perfect working condition.

All keys working

Surface scratches to the top fascia as hopefully can be seen from the images.

The data entry slider is present and working but the top is not present.

Pitch & Modulation both working

New internal battery installed June 2024

Comes with Cartridges number 1 & 2” Click here to visit listing on eBay

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Yamaha DX7

“Fully tested and working properly, nice condition.

If it is not pictured or stated as included, then it is not included.

Handling time is typically 1-3 days (excluding weekends). ” Click here to visit listing on eBay

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Yamaha DX7

“This Yamaha DX7 Synthesizer Keyboard is a vintage gem from the 80s and is perfect for any musician or collector looking to add a touch of nostalgia to their collection. With 61 keys and a MIDI (DIN) In port, this keyboard synthesizer is perfect for creating unique sounds and compositions. Amazing keyboard feel.

Condition is good. Fully functioning. Has all 4 corners bumped/cracked. Internal battery 4.4V.” Click here to visit listing on eBay

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Yamaha DX7

“This Keyboard is in fantastic condition, works perfectly and comes from a single owner.

ROM card 3 is included and has two banks of extremely classic, useable patches (that makes for 96 presets in all)

The hard case is in fantastic shape and built tough.

This keyboard is an absolute classic and you’d be hard up to find a nicer one!” Click here to visit listing on eBay

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Yamaha DX7

“In good working order. Comes with case, manual, and one voice ROM. Purchased refurbished from Japan. Rarely played. Must sell.” Click here to visit listing on eBay

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Yamaha DX7

“This is Randy Waldman’s Vintage Yamaha DX7 synthesizer keyboard! Dx7 is a well known instrument in the world. But this one in particular has an interesting history!

Randy Waldman obtained it while touring with George Benson in Japan in the early 80s! The DX7s in Japanese stores in the early 80s were pre-release demos and were not allowed to be purchased. The tour personnel convinced the store owners that the DX7 could be seen and heard on stage with George Benson that night! Because of that, they were allowed to purchase it.

In fact, they bought several DX7s! When they returned to the US they brought back the first DX7s to arrive on the US mainland! This DX7 may be the last one! Randy recalls playing the flute and harmonica sound on from this DX7 with Tina Turner live on “What’s Love Got To Do With It”!

This keyboard synthesizer was modified. It has two DX7 Memory Expansion cards. It was modified to control selection of banks with a knob. (See pictures). That programming was lost when new battery was added, but can be done again. Randy liked to have bass on one bank, horns and strings on another bank, synths another etc. The banks are available for your programming. The basic sounds are there after the new battery.

It is an old unit and looks it. The pitch wheel is not working at the moment; not sure why. The buttons and keys work, but some paint and color caps on some buttons are gone. It is significantly scuffed and scratched from many tours. But it has such a rich history! It is Randy’s personal keyboard! Add it to your collection today!”
Click here to visit listing on eBay

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Yamaha DX7 IID

“Just serviced.

New battery,

New sysex files transferred to cartridge and to internal storage.

Includes case, 2 cartridges, sustain.

Perfect operation

Very good condition

One minor flaw pictures in last photo” Click here to visit listing on eBay

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Yamaha DX7

” Yamaha DX7 Synthesizer / Keyboard – Classic FM Sound Retro Cool – Vintage” Click here to visit listing on eBay

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Yamaha DX7

“Vintage synthetic piano Yamaha, working perfect, no wires only power wire, missing cartridge card. Warranty or I’ll give you money back” Click here to visit listing on eBay

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Yamaha DX7 II FD

“Model: Yamaha DX7 II FD

Condition: Used (Well-maintained, minimal signs of wear)

Features: Iconic FM Synthesis, 61 keys, MIDI capabilities, 16-note polyphony

Accessories: Power adapter included.

Note: While this DX7 is in excellent condition overall, it’s important to note that the last F# key on the keyboard is sticky and not currently playable. However, this doesn’t affect the functionality of the rest of the instrument.

Cartridge not included.” Click here to visit listing on eBay

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Yamaha DX7

“Very nice DX7 in perfect working order! Ready to bring your 80s dreams to life! Loaded with some very good e-piano and Rhodes sounds. Will be professionally packed and shipped.” Click here to visit listing on eBay

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Yamaha DX7

“Battery needs to be replaced. I cannot rule out additional issues so selling this FOR PARTS/NOT WORKING. Wear/scratching on the front (see pictured) and some damage on the right side panel (see pictured). All keys look to be in great condition though. Could be a great item for a service tech or music shop. Shipping in hard case, but I am willing to ship in a cardboard keyboard box if you want to save some money on shipping.” Click here to visit listing on eBay

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Yamaha DX7 II-D

“in great working condition missing one slider but still functional on cs1 see picture. comes with dx7 iid data rom cartridge. see picture.” Click here to visit listing on eBay