Single 138.6mm (Mle 1927) - Azur Lane

jp138The JP138 is John Packer's rotary valve BbC trombone featuring a short slide desn enabling younger players to achieve the whole range of notes via its ascending C rotary valve. This helps players with smaller hands to achieveThe JP138 is John Packer's rotary valve BbC trombone featuring a short slide desn enabling younger players to achieve the whole range of notes via its ascending C rotary valve. This helps players with smaller hands to achieve