
Bach 34911HA Cornet Mouthpiece Overview
The Bach 34911HA Classic 11.5A is a silver-plated cornet mouthpiece designed for players who want a very deep cup feel and a compact, cornet-centered sound concept. This mouthpiece is brand new in the original manufacturer’s packaging and is sold as a genuine Vincent Bach accessory from an authorized Bach dealer.
Bach 34911HA Cornet Mouthpiece Specifications
- Series: Vincent Bach Classic
- Instrument: Cornet
- Model: 34911HA
- Size: 11.5A
- Cup depth: Very deep
- Cup diameter: 15.65 mm
- Finish: Silver plate
Condition
Brand new in the original manufacturer’s packaging
Who the 34911HA Cornet Mouthpiece Is For
The Bach 34911HA Classic 11.5A is a silver-plated cornet mouthpiece with a very deep cup, intended for cornet players who prefer a deeper cup response and a darker, more covered cornet tone profile. It is commonly chosen by serious students, advanced amateurs, and professionals who want consistent intonation, even response across registers, and a uniform timbre that supports endurance over longer rehearsals and services.
Vincent Bach mouthpieces are widely used because the Classic series is built to cover a broad range of playing needs with consistent feel from piece to piece. The 11.5A specification is a clear choice for players who already know they prefer a very deep cup in this diameter and want that setup in a durable silver-plated finish.
Common Questions About the Bach 34911HA
Is the Bach 34911HA 11.5A a cornet mouthpiece or trumpet mouthpiece?
The 34911HA is a cornet mouthpiece model. If you are matching a receiver and leadpipe, confirm your instrument is set up for cornet mouthpieces rather than trumpet mouthpieces.
What does the 11.5A cup mean on this mouthpiece?
On this model, 11.5A refers to the cup specification, and this particular 11.5A is listed with a very deep cup and a 15.65 mm cup diameter. Players typically choose this style when they want a deeper cup feel and a more covered cornet sound concept.
Is this mouthpiece new and does it include the original packaging?
Yes. This mouthpiece is brand new and includes the original manufacturer’s packaging.
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 34911HA Classic 11.5A Cornet Mouthpiece in Silver Plate
Bach 34911HA Cornet Mouthpiece Overview
The Bach 34911HA Classic 11.5A is a silver-plated cornet mouthpiece designed for players who want a very deep cup feel and a compact, cornet-centered sound concept. This mouthpiece is brand new in the original manufacturer’s packaging and is sold as a genuine Vincent Bach accessory from an authorized Bach dealer.
Bach 34911HA Cornet Mouthpiece Specifications
- Series: Vincent Bach Classic
- Instrument: Cornet
- Model: 34911HA
- Size: 11.5A
- Cup depth: Very deep
- Cup diameter: 15.65 mm
- Finish: Silver plate
Condition
Brand new in the original manufacturer’s packaging
Who the 34911HA Cornet Mouthpiece Is For
The Bach 34911HA Classic 11.5A is a silver-plated cornet mouthpiece with a very deep cup, intended for cornet players who prefer a deeper cup response and a darker, more covered cornet tone profile. It is commonly chosen by serious students, advanced amateurs, and professionals who want consistent intonation, even response across registers, and a uniform timbre that supports endurance over longer rehearsals and services.
Vincent Bach mouthpieces are widely used because the Classic series is built to cover a broad range of playing needs with consistent feel from piece to piece. The 11.5A specification is a clear choice for players who already know they prefer a very deep cup in this diameter and want that setup in a durable silver-plated finish.
Common Questions About the Bach 34911HA
Is the Bach 34911HA 11.5A a cornet mouthpiece or trumpet mouthpiece?
The 34911HA is a cornet mouthpiece model. If you are matching a receiver and leadpipe, confirm your instrument is set up for cornet mouthpieces rather than trumpet mouthpieces.
What does the 11.5A cup mean on this mouthpiece?
On this model, 11.5A refers to the cup specification, and this particular 11.5A is listed with a very deep cup and a 15.65 mm cup diameter. Players typically choose this style when they want a deeper cup feel and a more covered cornet sound concept.
Is this mouthpiece new and does it include the original packaging?
Yes. This mouthpiece is brand new and includes the original manufacturer’s packaging.
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 34911HA Classic 11.5A 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.
