Abraham,
Instead of Crossover, I recommend using the native OS X program CTRLR,
which has the ability to edit the AN1x/AN200, as well as many other synths.
http://ctrlr.org/page.php?p=downloadsThen use the AN1x device panel, available for download here.
http://ctrlrv4.sourceforge.net/page.php?p=ddbI spent too much time trying to deal with all that AN1xEdit/ANEasy Editor
on OS 9 and Windows XP before I came across CTRLR.
Give it a go! Hopefully that should work for you.
--cdouglas
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