hy the Yamaha U3 Is So Highly Regarded
✔ Taller soundboard and longer strings
U3 has a taller cabinet than most other uprights (including the U1), which gives it:
stronger tone
richer bass
greater dynamic range
✔ Exceptional reliability and durability
Most U3s were made in Japan with high-quality materials and craftsmanship.
✔ Stable tuning and long-lasting performance
The design and build quality help the piano stay in tune longer.