Description Key of BBb Full-size tuba with 17 1/2” yellow brass upright bell Yellow brass construction with rose brass leadpipe and nickel-silver tuning slides Four stainless steel pistons through a .728” bore “Euphonium-style” top-action valve assembly Exquisitely finished in a clear lacquer Durable, hard-shell ABS case with wheels. Includes silver-plated Eastman mouthpiece
