Bach Classic 1.5B Trumpet Mouthpiece Overview

The Bach 3511HB 1-1/2B Classic is a silver-plated Bb trumpet mouthpiece built on Vincent Bach’s established Classic series design, with a 1-1/2B medium-deep cup and a 17.00 mm cup diameter for players who want a clear, centered response with a balanced blend of breadth and focus.

Bach 3511HB Trumpet Mouthpiece Specifications

• Series: Vincent Bach Classic
• Instrument: Trumpet
• Model: 3511HB
• Size: 1-1/2B
• Cup: Medium deep
• Cup diameter: 17.00 mm
• Finish: Silver plate

Condition 

Brand new in the original manufacturer’s packaging

Who the 3511HB Classic 1.5B Trumpet Mouthpiece Is For

The Bach 3511HB 1-1/2B is a Classic-series trumpet mouthpiece designed for players who want a medium-deep cup feel with a 17.00 mm diameter for a supportive, flexible setup across registers. It is commonly chosen by advancing students, collegiate players, and professionals who prioritize consistent intonation, dependable response, and an even timbre from low to high range.

Within the Bach lineup, the 1-1/2B cup depth sits in a medium-deep profile, making it a practical choice for players seeking a fuller core without moving to very deep, specialty designs. The silver-plated finish provides a familiar feel and standard fit for Bb trumpet receivers.

Common Questions About The Bach 3511HB 

Is the Bach 3511HB 1.5B suitable for professional use?

Yes. Bach Classic mouthpieces are widely used by professional trumpet players, and the 1-1/2B is a standard, gig-ready specification for players who prefer a medium-deep cup and a 17.00 mm diameter.

What does “1.5B” mean on a Bach trumpet mouthpiece?

In Bach’s naming, 1-1/2 refers to the rim/cup size family (with a 17.00 mm cup diameter here), and the letter B indicates the cup depth category; the 1.5B uses a medium-deep cup.

Will this mouthpiece fit a standard Bb trumpet?

Yes. The 351 shank is Bach’s standard trumpet shank and fits typical Bb trumpet mouthpiece receivers.

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