Yamaha Pianos (acoustic and digital including all 88 note weighted actions) are 165mm to the octave.
The Tyros and all PSR keyboards are 160mm to the octave.
That's 5 mm/octave.
Thats .4mm per key.

Dave: I know they're smaller than some of the competition, but my position is, there are more units (by various manufacturers) out there with 160 mm /octave in the non weighted or synth weighted actions than then tere are 165 mm/octave. Yamaha made the decision to go with this standard a long, long time ago. Get used to it, if you can. It won't be changing.


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Steve Deming
Assistant Manager
Customer Support Dept.
Pro Audio & Combo Division
Yamaha Corporation of America
YCASupport@yamaha.com
714.522.9000

[This message has been edited by YamahaUS1 (edited 10-13-2003).]