Depth: 54 cm (21 1/4"), 88 keys, nuttree dark, Width: 149 cm (58 1/4"), the b1 redefines the word value.Whilst retaining Yamaha standards in every way, Height: 109 cm (42 7/8"), 3 pedals, b1 offers the joy of Yamaha ownership at a price that will astonish and delight, exemplifying Yamaha's well-established design principles.