Yamaha DX100

“In excellent working and cosmetic condition

I am the 2nd owner but from the original owner who barely used it since he bought it new the keys are nice bright and white … Is everything works as it should

Great sounding synth!!!

Brand new battery with easy to change holder installed

as well as a brand new black white text LCD Display installed…. with available brightness adjustment… besides the contrast adjustment that comes with the synthesizer from the factory

Item includes everything you see in the pictures

1 Yamaha DX-100 FM synthesizer w/ new battery & lcd

1 Yamaha AC adapter

1 Yamaha operating manual

1 Yamaha original DX100 box” Click here to visit listing on eBay

Yamaha DX100

“Used vintage Yamaha DX 100 Synthesizer for parts or repair

This powers on all of the keyboard keys seem to be functional when pressing

I do get audio out put thru phones connector, all buttons seem to do something when pressing” Click here to visit listing on eBay

Yamaha DX100

“Yamaha DX100 Digital Programmable Algorithm Synthesizer.

In good condition I plug it in keyboard’s are working but I can’t hear it as I don’t have a headphone for it. It comes with manual and adapter but no box. Have slightly scratches but non noticeable. Have marked at the bottom. I know someone out there know what it is and will love to used it. Happy bidding everyone. ” Click here to visit listing on eBay

Yamaha DX100

“Yamaha DX100 FM synthesizer.

Has had the power supply area of the main board refurbished with new capacitors and a voltage regulator.

Also had the ram battery replaced with a socketed version.

Good for many more years to come.

In good condition, working well.

Missing one rubber foot on the base.” Click here to visit listing on eBay

Yamaha DX100

“Yamaha DX100 Digital Programmable Algorithim Synthesizer. Does NOT include power cord. This unit was tested with 6, “C” batteries and powers on. Batteries NOT included. I do not have the ability to test the unit any further. Looks to be in overall good condition . Please refer to pictures for further detail. ” Click here to visit listing on eBay

Yamaha DX100

“It is in excellent condition and very well taken care of. All keys work and function as they should with no problems. Inputs 1/4 jack, headphones jack work etc. It still has both strap bolts in tact and ready to be used as a “keytar”. The battery cover is included as well.” Click here to visit listing on eBay

Yamaha DX100

“Yamaha DX100 Digital Programmable Algorithm Synthesizer.

Original power supply clean plays well no known issues whatsoever. Be aware that these are mini keys, so don’t expect it to play like a grand piano. I do have a video or two of it working if you send me a message I can send you those videos.

Comes with the keyboard and the power supply.” Click here to visit listing on eBay

Yamaha DX100

“We guarantee the following regarding this item:

The item photograph above is the EXACT item you will receive.
We physically possess this item at our Ohio location. It is not being drop shipped by a 3rd party.
This item will function as expected.
This item is authentic. It is not copy or reproduction.
This item is not refurbished.
Any flaws, scratches or surface damage this item may have are demonstrated clearly within our photographs. ”
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Yamaha DX100 Project Machine

“This auction is for one vintage 1985 Yamaha DX100 Digital Algorithm Synthesizer project. This keyboard came from a local estate (see pictures). I do not have the power adapter for this keyboard. I put batteries in this keyboard to test it and it did not power on. With that being said, this keyboard is being sold as found and “as-is” for parts or repair. Cosmetically, the keyboard shows very little wear and looks nice (see pictures). ” Click here to visit listing on eBay

Yamaha DX100

“YAMAHA DX100 FM SYNTHESIZER

This classic synth is in fantastic condition – see images. Screen clear. All keys, sliders and buttons are working – 2 or 3 of the buttons require a slightly harder press, but everything 100% operational.

Superb condition given its age – I’ve owned it for approx 20 years, I’ve never gigged it, and kept in a smoke-free studio.

No PSU – as the one I use is shared with other hardware I own.”
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Yamaha DX100

“Yamaha DX100 Synthesizer, Portasound PSS-460 W/Gator Gig Bag SYNTHESIZER BUNDLE!

This is from my personal collection. Adult owned. All been tested and works! Will be shipped with care. Both Yamahas keyboards are in great shape, just needs to be cleaned up.

Will be shipped USPS” Click here to visit listing on eBay

Yamaha DX100

“Yoy are bidding in a Vintage Yamaha DX100 Digital Programmable Algorithm Synthesizer in full working condition. All keys and buttons works fine. It has the original tones.

The only problem is that the battery cover is missing. One has been fitted and it really doesn’t look bad. Only two small holes have been made to attach it with two screws… if you get the original cover the holes will be covered with the cover. Include an generic AC adapter and audio cable. Batteries not included. Check photos for details.. they are part of my description..” Click here to visit listing on eBay

Yamaha DX100 Project Machine

“Physical Grade: B

Functional Grade: F

This item is sold AS-IS, with no guarantee of functionality. It has various issues that prevent it from functioning properly. There are some marks and wear on the casing from general use. See pictures for further details. No further testing has been performed.” Click here to visit listing on eBay

Yamaha DX100

‘Yamaha DX100 Digital Programmable Algorithm Synthesizer

PRE-OWNED

UNIT SHOWS WEAR AND TEAR FROM PREVIOUS USE SUCH AS SCRATCHES AND SCUFFS

PLEASE BE ADVISED THAT ORIGINAL BATTERY COVER IS MISSING AND ITS BEEN REPLACED WITH DIY PLASTIC COVER

POWER ADAPTER INCLUDED

HAS BEEN TESTED AND WORKS WITHOUT ANY ISSUES ” Click here to visit listing on eBay

Yamaha DX100

“Classic 4-operator FM synth from 1985 in used condition and fully working albeit top C sometimes needs a little extra pressure to operate but nothing major. Back up battery is showing 3.2V. All original presets. Rus on 6x “c” type batteries or psu ( KPA3) not supplied. MIDI in/out/thru and mono output. Headphones out and pedal switch input. Please study all pictures. All casing screws are present. This is your chance to own a classic synth from the eighties.” Click here to visit listing on eBay

Yamaha DX100

“Yamaha DX100 Synthesizer for Repair, Refurbish or Parts. Listed as not working but it does with issues. Purchased this some time ago with the intention of refurbishing. Here are the details:

1. All 24 numbered switches operate

2. Switches A,B, and D operate properly. switch C works intermittently

3 All keys above middle C do not operate

4. Mode Set, Key Set, Off and On switches operate

5 One of the keys is broken underneath as circled in one of the pics

6. Sliders work but are scratchy.

7. The includes power supply fits loose in the socket.

8. Modulation and Pitch wheels seem to be ok.

9. I did not test any of the midi or footswitch ports, headphone port, ok.

10. LCD contrast control works properly.

11. Needs a good cleaning.

12. Comes with 3 books as shown in pic.

13. Internal battery replaced recently. Full reset applied.”
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Yamaha DX100

“Collection in person only, from West or Central London. No delivery/courier.
All keys work and move smoothly
The synth is in tune
All presets sound except two of the breath controller presets (sax/harmonica) – I have no breath controller to test
Pitch bend and mod wheels move smoothly
Comes with third-party PSU and small-format printed manual from the internet

However, while trying to replicate the sound synthesis example in the instruction manual, I could only get so far before I couldn’t get the intended response. Not sure if it’s just me or the synth, so I am listing as spares or repair on the off chance there might be something wrong with it.”
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