For almost four decades, the Meinl-Weston Model 25 BBb-Tuba has set the standard for top quality BBb-Tubas in the United States. It is renowned for its quality of sound, construction and durability. Since a large majority of top players in the USA use CC Tubas, the Meinl-Weston 25 is usually the choice of top amateur players and Schools looking for the best tuba they can purchase.Over the years, a few changes have been made on the 25, with the inclusion of spring-action 3B linkages, nickelsilver leadpipe, and moving the fourth slide to the front of the Tuba for easier access.