Bach 6½AL Trombone/Euphonium Mouthpiece - Large Shank

Achieve a Deep, Symphonic Tone and Enhanced Projection Across All Registers

Unlock a rich, centered sound and outstanding playing flexibility with the Bach 6½AL Trombone/Euphonium Mouthpiece - Large Shank. Created by Vincent Bach, this premier brass instrument accessory is expertly designed to provide an excellent balance of a medium-deep cup depth and a well-rounded rim contour. Perfect for middle and high school trombone and euphonium players with large shank instruments, this mouthpiece helps performers project a mature, symphonic tone without dealing with a thin, brassy sound or premature embouchure fatigue.

What sets this authentic Vincent Bach mouthpiece apart is its meticulous manufacturing and acoustic engineering standards and iconic cup and backbore geometry. Each mouthpiece is precision-lathed from premium solid brass, utilizing an extensively tested 420 backbore and a medium-wide rim. The Bach 6½AL Large Shank Mouthpiece ensures comprehensive development by introducing enhanced low-register warmth, immediate response in the upper register, and superior pitch center stability, making it a fantastic choice for players ready to audition successfully for elite concert ensembles or marching lead positions.

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Product Benefits

• Rich Symphonic Core: Adds immediate depth and warmth to the tone, saving players from sounding thin or overly bright in full ensemble settings.
• Optimal Rim Comfort: The medium-wide rim profile evenly distributes lip pressure, saving brass players from early embouchure fatigue during long rehearsals.
• Fluid Low-to-High Flexibility: The balanced backbore design enables seamless register transitions, saving musicians from cracked notes or uneven resistance when jumping octaves.

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Key Features

• Engineered with a versatile medium-deep cup depth that delivers a dark, projecting acoustic profile ideal for both large shank tenor trombones and euphoniums.
• Finished in durable, mirror-polished silver plating that provides a smooth, comfortable mouth feel and resists heavy tarnishing over time.
• Features a heavy-duty large shank configuration designed specifically to slide securely into large shank receiver low brass instruments.
• Universally recommended by professional educators for its reliable performance.

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Technical Specifications

Manufacturer	Vincent Bach (Conn-Selmer)
Instrument Fit	Large Shank Tenor Trombone, Bass Trombone, or Euphonium
Size / Level	6½AL / Beginner to Intermediate Step-Up
Material / Format	Silver-Plated Premium Brass Alloy
Packaging / Inclusions	Sold Individually in Protective Bach Retail Box