Yes, for bass trombones with a certain bell size. For more information please view the Compatibilty chart on the main Yamaha Music website at https://uk.yamaha.com/en/products/musical_instruments/winds/silent_brass/silent_brass/compatibility_table.html#product-tabs
Yes, for bass trombones with a certain bell size. For more information please view the Compatibilty chart on the main Yamaha Music website at https://uk.yamaha.com/en/products/musical_instruments/winds/silent_brass/silent_brass/compatibility_table.html#product-tabs