YAMAHA Metal BBb Sousaphone - Silver Plate Finish Professional Cornet How many other amplifiers can

How many other amplifiers can do that

Yamaha uses a technique known as ultrasonic welding to assemble these instruments

including Distortion

Excellent feedback rejection

YAMAHA Metal BBb Sousaphone - Silver Plate Finish Professional Cornet How many other amplifiers canYSH 411SWC The YSH 411SWC Series BBb Sousaphone features a brass body & bell for an incredibly rich almost orchestral sound. The bell front design enhances tonal projection, while the intonation is state of the art. Players will appreciate the securely centered notes & easy playability & band directors will value its durability. The YSH 411 features hand lapped the valves and slides with an airtight valve piston fit for noiseless, responsive action;