Schilke Trumpet Mouthpiece Size 11 Bulbs Simply put

Simply put

nickel-plated open-geared machines equipped with unique butterbean knobs

It offers the unique and natural sound that has been available in classical microphones like the RCA 44 and 77 that are still used to make high quality recordings today

Polar Pattern: 9 - Switchable from omni- to bi-directional w/ pattern control disable

Schilke Trumpet Mouthpiece Size 11 Bulbs Simply putCup Diameter (First number in label): cups range from shallow to deep in numeric order from low to high Cup Volume (First letter in label): volume ranges from A to E from small to large A: Small; B: Medium Small; C: Medium (Standard); D: Medium Large; E: Large Rim Contour (Second number in label): rims range from roundest to slightly rounded in numeric order from low to high 1: Roundest; 2: Simi Round; 3: Standard; 4: Semi Flat; 5: Slightly Rounded