Description de chez Thomann : - For modular system 2-part - Cup width: 32.8 mm - Stem: S - Bore: 8.0 mm - Silver-plated - The cup model 28.8 represents a Cuvée Prestige of the Breslmair tuba cups - Several top cups were the inspiration for this unusual cup shape, which ends in a simple 8 mm bore to lead to a new kind of sound experience via the stem bore designed for it - The W-width is demanding due to the large cup width - Fundamental tuba sound in pure culture