Reliable Sources tell us the KMA is totally reworked and tweaked compared to the PA 50SD...
It still sounds like a PA-50SD, even with your excellent demos (better than anything by the factory, in my opinion), but, if it is a sound you like, it's gonna work for you. Look at Fran with that ancient old G-70...it's still a beautiful sounding arranger.
I think the best bet is to use John Smies's enhancements to get the most out of a KMA...they are a bargain.
Did you use them, Donny?
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.