Pre-owned Yamaha M112 upright piano in polished ebony, c.2004Introducing the Yamaha M112 upright piano in polished ebony, c. 2004: Standing at 112cm tall and in a modern style cabinet, the second hand M112 is worth comparing against the newly launched Yamaha B10, and popular Kawai K15. All three pianos feature modern style casework and look very similar, however the used Yamaha M112 is slightly larger, affording it longer bass strings and a larger soundboard, and was also made in Japan at the same factory as