The old SAS-20 was one of the first arrangers that sounded reasonably professional...a great keyboard in it's day.
Personally, I think Roland's E-20 was the first really pro sounding arranger, along with Korg's I-series (I remember the I-3 had a wicked sax sound).
Yamaha had to wait until the PSR-8000 before they were in step with the others, in my opinion.
What was the price of the SAS-20 when new, Donny?
I wonder how it would compare, in today's dollars, to the PSR-S910 or it's equivalent?
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.