Yamaha Trumpet Mouthpieces
"Yamaha Standard Trumpet Mouthpiece 15B4
Yamaha's Standard Series mouthpieces are produced with the most advanced computer design and manufacturing technology. These quality brass mouthpieces are crafted for unmatched precision, smooth attack, secure control, and easy playability. They have an ideal weight for all-around use and are available in a variety of configurations to suit every player. Standard Trumpet Mouthpieces Specifications Model Rim Cup Depth Throat Backbore Playing Characteristics Inner Diameter Contour Thickness 5A4 15.9 semi-flat thick shallow 3.65 narrow Extremely small inner rim diameter. Flat and wide. Small cup volume. 6A4a 15.9 semi-flat thick shallow 3.65 narrow Very shallow cup for easy high notes. 7A4 16.24 semi-flat thick shallow 3.65 narrow Relatively small inner rim diameter, but still flexible. 7B4 16.08 semi-flat thick semi-shallow 3.72 standard Relatively large throat diameter with a sharp shoulder. Bright sound with easy high notes. 8C4 16.19 semi-flat standard standard 3.65 semi-narrow Good for all-around playing, including solos. Combines an extended high range with rich lows. 9C4 16.28 semi-flat standard standard 3.65 semi-narrow Somewhere between the 8C4 and 11C4, affording easy playability over a wide range. Well-defined rim bite for easy blowing and extended endurance. 11A4 16.46 semi-flat semi-thick shallow 4.3 mm semi-narrow Medium rim diameter with a shallow cup for easy high..."
