Unique benefits
The JP138 is John Packer's rotary valve Bb/C trombone featuring:
- Short slide design enabling younger players to achieve the whole range of notes via its ascending C rotary valve
- Helps players with smaller hands to achieve the 6th an 7th slide positions of a regular Bb trombone
- Ergonomic thumb rest/trigger helping players to get acquainted with holding and playing a trombone