Description Product Description YAS-475 is a model that has been manufactured until 2012, I is equivalent to the current YAS-480. 475 models are subjected to a heat treatment that is needed and "acoustic annealing" in the neck, which is said of the sound, it is characterized by a good reaction to the breath and rich sound. The ease of handling of the Yamaha unique, and plus to put ease of sound, you can enjoy even more rich tone.