Yamaha DX100

” Vintage Yamaha DX100 Digital Synthesizer with original Adapter, Footswitch, Manuals, Box

In perfect condition and sounds great!

The programmable DX100 has 49 mini-keys (4 octaves), and pitch and mod wheels in the upper left corner . It also has strap pegs on each end.

The following items are all included with the keyboard. They are all in excellent condition, other than the shipping box which is in fair condition (see photo.)

Yamaha Sustain Foot Pedal

Yamaha AC Power Adapter (PA-1210)

Yamaha DX100 Play Book (Manual)

Yamaha DX27 / DX100 Voice Programming Guide

Yamaha DX100 Owner’s Manual

Original Shipping Box (shipping label stamped 1986)” Click here to visit listing on eBay

Yamaha DX100


Works Perfectly.
Sounds Great.
Includes Power Supply.
The memory battery tests at 3.08 volts so it should last many more years.
Has several scratches and blemishes typical of a well used unit, but no cracks in the case.
The slider knobs are not original.” Click here to visit listing on eBay

Yamaha DX100

“This DX-100 is as clean a unit as you’ll find. Everything works perfectly and there is very little wear and tear on it that’s really visible in person. The photos accentuate it more than you would really see in person. The face and sides of the unit are clean. It looks pretty close to the way it did brand new. It has spent most of its life in a dust free studio inside an old Pu leather Realistic bag (included). The bag is well worn but it has kept the keyboard pretty pristine.

Also included is the original power supply, the original cassette of patches from the factory and a publicity flyer from the era.. sorry, I don’t have the manual but it can be found online.”
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Yamaha DX100

“I purchased this DX100 new in 1985 with every intention of becoming the next Rick Wakeman or Keith Emerson until I discovered I was too lazy to practice and resorted instead to making sound effects for my answering machine messages. Shortly after, it took up residency in my bedroom closet where it remained until now nearly 40 years later. It is in near new condition with every function working and no noise from the pots once I sprayed them with contact cleaner. It was never stored with batteries installed and has been kept in a non-smoking environment. AC Power supply is included.” Click here to visit listing on eBay

Yamaha DX100

“I purchased this DX100 new in 1985 with every intention of becoming the next Rick Wakeman or Keith Emerson until I discovered I was too lazy to practice and resorted instead to making sound effects for my answering machine messages. Shortly after, it took up residency in my bedroom closet where it remained until now nearly 40 years later. It is in near new condition with every function working and no noise from the pots once I sprayed them with contact cleaner. It was never stored with batteries installed and has been kept in a non-smoking environment. AC Power supply is included.” Click here to visit listing on eBay

Yamaha DX100

“Synth is boxed and in great condition given the age of it. Had initially tracked one down for my son who plays piano, but he seems to be exclusively using his computer to compose, so this item has been cupboard bound for the last 9 months or so. Runs on batteries and mains power, although i will remove the batteries before delivery for safety purposes.” Click here to visit listing on eBay

Yamaha DX100 Project Machine

“please note that I can’t get this to work, to be honest I didn’t have the correct power supply and I did get it to light up on the display but only partially.

I don’t think its a case of just plugging in the correct power supply I think it must have problems, it might be an easy fix for someone I don’t it might be a can of worms or maybe a donor keyboard for another vintage project. it comes with the two manuals photographed.” Click here to visit listing on eBay

Yamaha DX100

“Yamaha DX100 Digital Synthesiser Keyboard. Great little FM synth in excellent condition. Comes with the original manual, voice programming guide, Play Book and a power supply. There are a few minor cosmetic marks but nothing significant as you’ll see from the pics. A lack of spare time means I never get to play with it so I’m looking for a new home for it. ” Click here to visit listing on eBay

Yamaha DX100

“The keyboard is in good working order, I’ve used it many times, but it’s time to move on. I’ll include a power adaptor. Included with the keyboard is a rather nice bespoke case. The previous owner had it especially made. It’s lined with golden fur and the keyboard fits snuggly inside. The case is a little worn with use, but functions well. It’s a shame to let it go, but as I say, time to move on.” Click here to visit listing on eBay

Yamaha DX100

“Here is a Yamaha DX100 Keyboard Synth can run on battery power for being mobile or by included adapter power. It was used live for playing that thumping keyboard bass or screaming lead synth parts and everything in between! Condition is used. I will throw in a guitar strap for portable play! Adapter is included!” Click here to visit listing on eBay

Yamaha DX100

“This might be an easy fixer upper, I think a battery replacement and reset is all it needs. But I can’t guarantee anything.As-Is

Basically a mini DX27.

Sometimes it starts up and functions fine and makes sound, other times it starts up and freezes, or displays gibberish. Overall the condition is okay, everything feels solid, no broken plastic, but it has a lot of scuffs and scratches. All keys produced sound although F#4 occasionally didn’t. The headphone output is kinda scratchy. Battery power functionality is untested. But it powers on with a power supply (not included) ” Click here to search for synths on eBay

Yamaha DX100

“Yamaha DX100 FM Synthesizer

In perfect working order and good overall cosmetic condition.

It has a few light marks and a slight dent/split to the right hand corner, see photo but it really is barely noticeable.

Contains original presets and 24 user presets which are suited to techno, BOC, AFX, detroit type stuff.

Comes with the original manual and suitable power supply.” Click here to visit listing on eBay

Yamaha DX100

” Here is a Yamaha DX100 Keyboard Synth running on battery power for being mobile or adapter power. Adapter is included. It was used live for playing that thumping keyboard bass or screaming lead synth parts and everything in between! Condition is used. I will throw in a guitar strap for portable play! ” Click here to search for synths on eBay

Yamaha DX-100

“Yamaha DX-100 synthesizer in very good condition for its age.

Since i have owned this I have:

1. Replaced the internal CR-2032 battery, adding a battery holder for easy replacement in the future.
2. Performed a factory reset.
3. Cleaned and refurbished the keybed.
4. Replaced the Volume and Data sliders/potentiometers.
5. Fitted third party slider caps to replace those missing.

All keys, sliders and buttons function correctly.” Click here to search for synths on eBay

Yamaha DX100

“This unit is in good cosmetic shape but needs some TLC to bring back to it’s former glory. All buttons/keys/sliders/wheels function 100% but the output is low and fizzy. Also, the screen has a weak display and is somewhat intermittent. I’ve inspected the circuit board and couldn’t find any obvious issues — no leaky caps or cracked traces, etc. I suspect that it needs a recap. In any case, seeing as I already have too many jobs on my bench, I’ve decided to let this one go.” Click here to search for synths on eBay

Yamaha DX100

“Yamaha dx100 Synthesizer
great condition
fully tested
Small plastic deformation under modulation wheel, does not affect performance or durability
Battery cover is missing

Sliders are not present in photos but are on now ” Click here to search for synths on eBay