Bach Classic 5C Trumpet Mouthpiece Overview

The Bach 3515C Classic 5C is a silver-plated trumpet mouthpiece built on the standard Bach 351 trumpet shank, pairing a medium 5C cup with a 16.25mm rim diameter for balanced response, centered intonation, and a consistent tone across registers. This model is commonly chosen by players who want a rim that feels medium-wide and well-rounded rather than sharp, supporting a lively, rich sound while helping manage endurance over longer sessions.

Bach 3515C Classic 5C Trumpet Mouthpiece Specifications

• Model: 3515C Classic 5C
• Shank: Bach 351 trumpet shank (standard)
• Cup: Medium cup
• Rim diameter: 16.25mm
• Rim shape: Medium-wide, well-rounded; fairly flat; no sharp edge
• Finish: Silver plate

Condition 

Brand new in original manufacturer’s packaging

Who the 3515C Trumpet Mouthpiece is For

The Bach 3515C (5C) is a medium-cup trumpet mouthpiece designed for players who want a balanced feel and a rim that is comfortable and rounded rather than sharp. It is a strong fit for players with a strong embouchure who prefer a medium-wide rim profile, and it is often selected by serious students through working professionals who want dependable response in all registers and stable intonation.

Within the Bach lineup, the 5C is a practical middle-ground option for players looking for a lively, rich tone without moving to an extreme shallow or deep cup choice, making it well suited for general-purpose playing across many ensemble settings.

Common Questions about the Bach 3515C

What does “3515C” mean on a Bach trumpet mouthpiece?

351 identifies the standard Bach trumpet shank size, and 5C indicates the cup and rim specification: a 5C medium cup with a 16.25mm rim diameter.

Who typically benefits from a 5C rim and cup?

Players who want a balanced mouthpiece with a medium cup and a medium-wide, rounded rim often choose a 5C, especially if they dislike a sharp rim edge and want a lively, rich tone.

Is this mouthpiece suitable for professional use?

Yes. Bach mouthpieces are widely used in professional settings, and the 3515C is a common choice for players who need consistent intonation, reliable response, and a versatile all-around setup.

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