Bach 34918 Classic 18 Cornet Mouthpiece in Silver Plate

Bach Classic 18 Cornet Mouthpiece Overview

The Bach 34918 Classic 18 Cornet Mouthpiece is a silver-plated, deep-cup cornet mouthpiece built to Bach’s long-established Classic design standards, offering a defined feel, consistent pitch center, and an even tonal profile across the instrument’s range. As an authorized Bach dealer, we supply this mouthpiece brand new in the original manufacturer’s packaging.

Bach 34918 Classic 18 Cornet Mouthpiece Specifications

• Series: Vincent Bach Classic
• Instrument: Cornet
• Model: 34918
• Size: 18
• Cup: Deep
• Cup Diameter: 15.10 mm
• Finish: Silver Plate

Condition

Brand new in the original manufacturer’s packaging

Who the 34918 Classic 18 Cornet Mouthpiece is For

The Bach 34918 Classic 18 Cornet Mouthpiece is a deep-cup cornet mouthpiece designed for players who want a fuller, darker core with consistent intonation and a uniform timbre from low register through upper register. The Classic 18 cup profile supports a broad, volume-capable sound while maintaining clear response, which can be especially helpful for cornet players balancing warmth with projection in ensemble settings.

This model is a practical choice for advancing students, serious amateurs, and professionals who prefer the familiar Bach Classic feel and who are selecting mouthpieces with endurance and consistency in mind. 

Common Questions about the Bach Classic 18 Cornet Mouthpiece

What does “18 deep cup” mean on the Bach 34918?

It refers to the cup designation and depth used in the Bach Classic system; the 18 is a deep cup that generally supports a richer, broader cornet sound with a stronger low-mid presence compared with shallower cups.

Is the Bach 34918 suitable for professional use?

Yes. Bach mouthpieces are widely used by professional brass players, and the 34918 is a standard-spec cornet mouthpiece intended to meet common performance needs such as reliable intonation, even response across registers, and consistent tone color.

What is the cup diameter of the Bach 34918?

The cup diameter is 15.10 mm, which is a useful reference point when matching rim feel and overall fit to your current cornet mouthpiece.

We are proud to be an authorized Bach dealer