yamaha xeno trumpet ytr8335iirs yamaha over the 20+ year history of the series, xeno trumpets have continued to evolve with the artists who play them. in 2014, drawing from the knowledge and innovative concepts learned through the development of the artist model chicago c trumpet, the entire xeno bb series was redesigned to attain the ultimate goal of ideas musical expression. the ytr-8335rs is a .459" medium-large bore bb trumpet. this xeno bb trumpet model features a reversed leadpipe and yellow brass bell for quicker response and playing agility. the combination of a heavy mouthpiece receiver and removal of the third valve water key results in a superb balance of playability and tonal quality. with this model, musicians will be able to produce a firm sound in all dynamic ranges, from delicate pianissimo to powerful fortissimo.the ytr-8335rs achieves smooth resistance and airflow that only a reverse tuning slide design can offer, for easy, comfortable playability and harmonically rich tone.