From the Manufacturer

The Bach 180 series trumpets are the number one selling professional trumpets in the world, and they remain the sound choice of artists globally. An incredibly versatile instrument, the 18037 offers everything today's most discriminating players desire... The 180 series offers depth and color of sound coupled with the even intonation and response a professional player needs. Nothing beats the sound of a Bach. The Bach 180S37 Stradivarius pro trumpet features a standard-weight body and #37 bell to produce a vibrant sound with a large core that allows this trumpet to work well in settings from jazz to concert to solo playing. The #25 leadpipe allows for slight resistance that is effective in centering tone production while the silver-plate finish provides brilliance and clarity to the sound. These features combined with a .459" medium-large bore allow the player to produce a well-rounded sound, suitable for all types of music.