i like the tyros I sell them. However I am one of those people who want a workstation/arranger and the Tros is basically a great playback instrument for styles and little else. The harmonizer is an afterthought there is not XLR mile input or phantom power. The Home user does not ask for these features. The digital output on the Korg is another pro feature the Home user would never use.
The Tyros is made and marketed for Home use. Thats who buys the ones we sell. People who don;t want the cabinet of the Clavinova,
Yamaha sells the majority Tyros to mostly non pro home users and they do not care for the 76 keys. They could buy the same thing in an 88 key fully weighted wooden keyboard if they really wanted that. The Tyros is easy to use and well supported. I would not call it a Pro keyboard in any way next to the PA2x. It does not have the "Pro" features like the Oasis ans Motif seriers. The Korg does.
You won't see too many Korg being used in the home. Its far too deep, complicated and has many features the Home user would not know what to do with and fewer styles to choose from. Yamaha cleaned up the Clavinova face to make it appear less complicated. They know their market.
Having the Korg I decided to get the souns of the Yamaha I do not have I would be better served to buy an X6 Motif rather than an S900.
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Yamaha Tyros 4
Yamaha Motif XS8
Roland RD700
Casio PX-330
Martin DC Aura
Breedlove ATlas Solo
Bose MOD II PA