Gary,
there is no difference between the two X1 sounds. The X1oriental only has the sounds saved in the hard drive and you must load them into the user internal area every time you turn on the X1oriental. The regular X1 doesn't come from the factory with the sounds in the hard drive and so you must buy the flash card X1oriental kit. Many customers in the US and around the world have copied the sounds from the hard drive of the X1oriental onto 8 floppy disks and have distributed these disks to friends via email and by mail. You can also copy the 40 styles off the hard drive the same way. There is absolutely no difference with these sounds once they have been loaded into a non X1 oriental. However, the operating system is different and you can download the oriental operating system from the Ketron home site and then you have the whole system. The X1oriental does have a joy stick in place of the mod wheel and pitch bend wheel and there are a few words painted on the keyboards's surface with some additional words for the oriental customer to know where certain functions are.
George Kaye
Kaye's Music Scene
Reseda, California
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George Kaye
Kaye's Music Scene (Closed after 51 years)
West Hills, California
(Retired 2021)