The 50B2L features a .562-inch bore with a 10-1/2-inch one-piece hand hammered bell and a dependent double rotor valve system in Bb/F/Eb.

Bach 50B2L Stradivarius Professional Bass Trombone Features:

• Key: Bb/F/Eb
• Bore: .562-inch
• Leadpipe: Standard
• Leadpipe Material: Yellow Brass
• Bell: 10-1/2-inch One-Piece Hand Hammered
• Bell Material: Yellow Brass
• Handslide: Standard
• Handslide Material: Yellow Brass Outer Slide and Chromed Nickel Silver Inner Slide
• Handslide Crook Material: Yellow Brass
• F Attachment Wrap: Standard
• F Attachment Valve: Standard Rotor
• Valve System: Dependent
• Features: One-Piece Hand Hammered Bell; Dependent Valve System; Nickel Silver Tuning Slide Receivers; Nickel Silver Hand Grip; Tubular Nickel Silver Braces
• Case: Yes
• Mouthpiece: Yes
• Mouthpiece Shank: Large
• Finish: Lacquer (Silver Finish Available by Special Order)

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