King Professional Model 4B Tenor Trombone
About the Model 4B:
The King 4B trombone has a classic large bore symphonic trombone design. Because of the .547 bore, it has a very open feel and is best suited for the lower parts in a jazz band as well as for symphonic playing. This is a very versatile model of trombone. A bronze brass bell comes standard on this model to offer the performer a quick response and a warmer tone.