
Bach 34911HC Classic 11.5C Cornet Mouthpiece Overview
The Bach 34911HC Classic 11.5C Cornet Mouthpiece is a silver-plated cornet mouthpiece built to Vincent Bach’s long-established Classic-series design standards, offering a medium cup and a 15.00 mm cup diameter for players who want a balanced blend of response, intonation stability, and an even tone across registers. This mouthpiece is brand new and ships in the original manufacturer’s packaging, from an authorized Bach dealer.
Bach 34911HC Classic 11.5C Cornet Mouthpiece Specifications
- Series: Vincent Bach Classic
- Instrument: Cornet
- Model: 34911HC
- Size: 11.5C
- Cup depth: Medium
- Cup diameter: 15.00 mm
- Finish: Silver plate
Condition
Brand new in the original manufacturer’s packaging
Who the 34911HC Cornet Mouthpiece Is For
The Bach 34911HC Classic 11.5C is a medium-cup cornet mouthpiece designed for cornet players who need a practical, balanced setup for consistent intonation, efficient response, and a uniform timbre across the instrument’s full range. With a 15.00 mm cup diameter and Classic 11.5C profile, it suits players who want a centered sound that can adapt to a wide range of ensemble roles.
This model is a common choice for advancing students through working professionals who prefer the widely used Bach Classic approach and want a mouthpiece that supports endurance and control without moving to an extreme cup size or depth. Many players choose Bach mouthpieces specifically for their established feel and consistency from piece to piece.
Common Questions About the Bach 34911HC
What does 11.5C mean on a Bach cornet mouthpiece?
11.5C identifies the Bach Classic cup size and shape. On this model, it pairs a 15.00 mm cup diameter with a medium cup depth for a balanced combination of tone, response, and comfort.
Is the Bach 34911HC 11.5C suitable for professional use?
Yes. Bach Classic mouthpieces are standard equipment for many professional brass players, and the 11.5C is a practical, widely used specification when a balanced cornet setup is needed.
Is this mouthpiece new and does it include a case?
Yes. This mouthpiece is brand new and ships in the original manufacturer’s packaging, which serves as the included case for storage and transport.
We are proud to be an authorized Bach dealer
In stock! Ships within 1-2 business days.
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99
Bach 34911HC Classic 11.5C Cornet Mouthpiece in Silver Plate
Bach 34911HC Classic 11.5C Cornet Mouthpiece Overview
The Bach 34911HC Classic 11.5C Cornet Mouthpiece is a silver-plated cornet mouthpiece built to Vincent Bach’s long-established Classic-series design standards, offering a medium cup and a 15.00 mm cup diameter for players who want a balanced blend of response, intonation stability, and an even tone across registers. This mouthpiece is brand new and ships in the original manufacturer’s packaging, from an authorized Bach dealer.
Bach 34911HC Classic 11.5C Cornet Mouthpiece Specifications
- Series: Vincent Bach Classic
- Instrument: Cornet
- Model: 34911HC
- Size: 11.5C
- Cup depth: Medium
- Cup diameter: 15.00 mm
- Finish: Silver plate
Condition
Brand new in the original manufacturer’s packaging
Who the 34911HC Cornet Mouthpiece Is For
The Bach 34911HC Classic 11.5C is a medium-cup cornet mouthpiece designed for cornet players who need a practical, balanced setup for consistent intonation, efficient response, and a uniform timbre across the instrument’s full range. With a 15.00 mm cup diameter and Classic 11.5C profile, it suits players who want a centered sound that can adapt to a wide range of ensemble roles.
This model is a common choice for advancing students through working professionals who prefer the widely used Bach Classic approach and want a mouthpiece that supports endurance and control without moving to an extreme cup size or depth. Many players choose Bach mouthpieces specifically for their established feel and consistency from piece to piece.
Common Questions About the Bach 34911HC
What does 11.5C mean on a Bach cornet mouthpiece?
11.5C identifies the Bach Classic cup size and shape. On this model, it pairs a 15.00 mm cup diameter with a medium cup depth for a balanced combination of tone, response, and comfort.
Is the Bach 34911HC 11.5C suitable for professional use?
Yes. Bach Classic mouthpieces are standard equipment for many professional brass players, and the 11.5C is a practical, widely used specification when a balanced cornet setup is needed.
Is this mouthpiece new and does it include a case?
Yes. This mouthpiece is brand new and ships in the original manufacturer’s packaging, which serves as the included case for storage and transport.
We are proud to be an authorized Bach dealer
Pairs well with
In stock! Ships within 1-2 business days.
30-day risk-free trial
2-Year Warranty
Complimentary shipping for all U.S. orders over $99

Bach 34911HC Classic 11.5C Cornet Mouthpiece in Silver Plate
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
Orders valued over $99 ship via FedEx 2-Day within the U.S. and via DHL internationally. A physical address (no P.O. Boxes) and signature are required. Smaller accessories ship via USPS (2–5 day service) and do not require a signature if valued under $99. Please see our FAQ for additional details.
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Return Policy
We offer an unconditional 30-day return policy to ensure you’re completely satisfied. If you’re unhappy for any reason, return the item for a full refund or full exchange credit (reeds and other consumables are non-returnable once opened). Every instrument we sell is guaranteed to be free of mechanical defects—if an issue arises, contact us and we’ll either reimburse a local repair or provide a prepaid return label for repair, exchange, or refund. If you simply change your mind, you may still return the item for a full refund, but return shipping costs are the customer’s responsibility unless free returns were purchased through Redo at checkout. Please see our FAQ for additional details.
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Shop Warranty:
Brand new items are covered by the full manufacturer’s warranty unless otherwise noted (see the individual maker for details). Open box, used, and vintage items include a two-year warranty serviced by our in-house repair shop, and we guarantee every instrument will be free of mechanical defects. Warranty coverage does not include damage from accident, misuse, negligence, improper operation, unauthorized alterations or removed serial numbers, normal wear and routine maintenance, environmental damage (including perspiration, corrosion, or extreme temperature and humidity), lacquer or plating wear, or consumable parts such as springs, pads, and felts. Please see our FAQ for additional details.
