To be honest, I would be surprised if the drum expansion board did work properly with the 9000 pro. After all the 9000 pro accepts voice expansion cards, which you would assume enhance the keyboard voices of the instrument. I would have first checked with someone with the knowhow in Yamaha as to the extent of functionality of this card when playing it live from the 9000 pro, since again I assume the 9000 pro has limited control over new cards. Using a PC with the 9000 pro and midi is another question, here I would expect you to have fuller control over this card and access the sounds you require. It is possible maybe that you could direct percussion via midi back into the pro to trigger the card, but I'm assuming that this isnt the case?
This is obviously a very new expansion card, something I havent heard of before but it sounds quite nice. If you succeed in getting it to perform from the pro, I'd like to hear some samples from it if its possible... though it sounds as though you can only play it from the keyboard am I right?

Simon


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