YAMAHA UPRIGHT SERIES
Soundboard and frame
Special rib configurations add strength to the soundboard, while backpost and other advances further enhance rigidity, resonance and structural stability.Floating Support System (U3S, U5)
A 'floating' attachment method, similar to that of grand pianos, allow the soundboard to vibrate more freely, improving the depth and character of bass and mid-range tones.
Advanced scale design
Refinements in all elements of sound production have given today's U Series a richer, more resonant voice with evenly balanced timbre across the entire keyboard.Soft-close fallboard
A damping mechanism, formerly used only in grand pianos, prevents the fallboard from dropping abruptly onto the keyboard, guarding against accidental injury or damage.
Redesigned hammers
U Series hammers use materials specifically selected for each model, to provide optimum tone production, response and long-term durability.