The Jupiter 1236L Professional Series F-Attachment Trombone is designed for optimum performance and response to meet the needs of the player with a .547" bore with a .563" bore throughout the F-attachment section for a free-blowing instrument with a full sound. The 1236 Series also features an 8.5" one-piece hand-hammered bell for outstanding projection plus a nickel silver slide crook for increased response.
SPECIFICATIONS
Key: Bb/F
Bore: .547" Primary Bore with a .563" F Attachment Bore