Yamaha dx9
I am not a keyboard player but I tested this unit. 
they keys work. I got sounds out of it. 
the digital display changes 
I am not sure if it needs to have sounds preloaded into it or not. 
so we are selling this one as is 

the small print I accept all major credit cards
I return all posted feedback
 reverb collects sales tax according to your state's rules
this item is sold as is as found with no written or expressed warrant guarantee return credit or refund have a question call me i would prefer local pickup but will ship
A note about vintage/used electronics.
All electronics are tested and any issues are mentioned and stated in all descriptions.
Your item will not EVER be sent DOA.unless specified
Sometimes issues do arise and can be caused by rough handling of the package old brittle wiring or failure of a component to survive the rigors of transport.
Major issues are covered by insurance and that is why all packages are fully insured.
Many issues are minor and fall under user maintenance. These are things that a buyer of vintage/used electronics should be able to maintain.
Tubes often once taken out of the sockets may need to be rearranged to obtain optimal performance in a tube unit.
Often tube sockets may need to be cleaned with deoxit when tubes are reinserted.
Pots can sometimes be scratchy or develop a flat spot from use. Deoxit is your best solution to resolve a minor issue.
Switches sometimes need to be cleaned or adjusted to make better contact.

Shipping shipping is for continental 48 USA
If you are an international buyer please send your complete address so I can calculate your shipping costs
This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.