To all intents and purposes, the units are pretty much identical.
Adrian Thomas Music Services
On Mar 30 2014, JVM Grospe wrote:
No. The 850 is only for after factory upgrade. The 800 is the correct one for at factory install.
> On Mar 30, 2014, at 8:05 AM, wrote:
>
> My new DU1E3 controller is a DKC 800. Yamaha doesn't seem to comment on this. Is it a generation back from the 850? Should I have been given an 850?
>
> Thanks.
>