Yamaha and Ketron are the only ones who have anything midline or pro line recently. Quite honestly, a 920 is all (or much more!) than the typical arranger player would need!
Ketron really concentrate on the high end (along with Wersi/Bohm), they have very little practical in the same vein as the 720 and 920. So basically it’s now a one horse race for affordable arrangers… Yamaha.
You can’t really count the EVM because the ‘typical’ arranger user isn’t going to jump through the hoops that hooking this up to a controller and control surface are going to entail.
So what’s left in the middle? An 8 year old PA1000, a 13 year old Roland BK5, or today’s Yamaha lineup of modern SX arrangers.
End of an era…
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An arranger is just a tool. What matters is what you build with it..!