Yes, if you have a PA2xpro/800, you can save your settings to use with the PA500.
Korg Tech has just told me that the sound engine in the PA 500 is not on par with the PA2xpro or PA800.
It is more of the Triton on steroids type sound, so this is another difference in the PA 500 to the PA2xpro and 800.
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