1. Key and Pitch: The Besson 20B is a Bb trumpet, which is the standard key for most trumpets. It plays in the key of Bb and has a range that spans three octaves and a half, from F below the staff to C above the staff.
2. Bore Size: The 20B features a medium-large bore size, typically around 0.462 inches (11.73 millimeters). This bore size provides a balance between warmth and brilliance of sound, making it suitable for a wide range of musical styles.
3. Material: The Besson 20B is typically constructed from high-quality brass, which contributes to its durability and rich tonal qualities. The bell material can vary, with some models featuring a yellow brass bell and others using a rose brass bell.
4. Bell Shape: The bell of the 20B trumpet is handcrafted and designed to produce a focused, projecting sound with excellent intonation. The shape of the bell affects the overall tone color and projection of the instrument.
5. Valves and Valve System: The 20B features Monel valves, which are known for their durability, smooth action, and quick response. The valve system is a traditional piston valve design, providing accurate and efficient fingering.
6. Leadpipe: The leadpipe of the 20B is designed to optimize airflow and responsiveness. The leadpipe material and shape can influence the instrument's resistance and feel.
7. Water Key: The 20B includes a water key on the tuning slide, allowing the player to easily release accumulated water from the instrument during performance.
8. Finish: The Besson 20B trumpet is available in various finishes, including silver-plated, gold-plated, and lacquered finishes. The finish affects the instrument's appearance and, to some extent, its tonal characteristics.
9. Accessories: The Besson 20B trumpet typically comes with a hard case or gig bag for protection during transportation, as well as a mouthpiece that complements the trumpet's design and sound.
Overall, the Besson 20B trumpet offers a combination of quality craftsmanship, versatility, and a well-balanced sound, making it a popular choice among professional and advanced trumpet players across a range of musical genres.