It seems to be based on the PA-500.

51 lbs is a bit heavy (and that's without a roadcase)...but I suppose if you can lug around a G70 it wouldn't matter much.

Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.