
Bach 1-1/4C Classic Cornet Mouthpiece Overview
The Bach 3491FC 1.25C Classic Cornet Mouthpiece is a silver-plated, large-diameter cornet mouthpiece built on Vincent Bach’s widely used Classic cup geometry for players who want a familiar feel, consistent intonation, and reliable response across the full range. This is a genuine Vincent Bach mouthpiece, brand new in the original manufacturer’s packaging, and offered by an authorized Bach dealer.
Bach 3491FC Classic 1.25C Cornet Mouthpiece Specifications
- Brand/series: Vincent Bach Classic
- Cup: 1.25C (3491FC)
- Medium Cup
- Cup diameter: 17 mm
- Finish: Silver plate
Condition
Brand new in original manufacturer’s packaging
Who the Bach 1.25C Classic Cornet Mouthpiece is For
The 3491FC is a Vincent Bach Classic cornet mouthpiece designed for cornet players who want a larger cup diameter with a medium cup profile and a traditional, widely supported Bach feel. It is a practical choice for advancing students, serious hobbyists, and working professionals who prefer a standard, familiar setup and value dependable intonation and even response.
Within the Bach Classic lineup, the 1-1/4C designation points to a larger rim/cup diameter than many common sizes, which can suit players looking for more room on the face while keeping a medium cup depth. This model is commonly selected by musicians who want a consistent, uniform timbre through registers and a mouthpiece that supports endurance over long rehearsals and performances.
Common Questions about the Bach 3491FC
Is the Bach 3491FC Classic 1.25C a genuine Vincent Bach mouthpiece?
Yes. This is a genuine Vincent Bach mouthpiece, sold by an authorized Bach dealer, and it ships brand new in the original manufacturer’s packaging.
What do “1-1/4C” and “medium cup” mean on a cornet mouthpiece?
1-1/4C indicates the Bach Classic size designation, including a larger cup/rim diameter. On this model the cup diameter is 17 mm, and “C” denotes a medium cup depth, a common balance of tone, response, and range for general cornet playing.
What is the finish on this mouthpiece, and how does it feel?
This mouthpiece is silver plated. Silver plate is a standard professional finish that offers a smooth, secure feel and is widely used for cornet and trumpet mouthpieces.
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 3491FC Classic 1.25 Cornet Mouthpiece in Silver Plate
Bach 1-1/4C Classic Cornet Mouthpiece Overview
The Bach 3491FC 1.25C Classic Cornet Mouthpiece is a silver-plated, large-diameter cornet mouthpiece built on Vincent Bach’s widely used Classic cup geometry for players who want a familiar feel, consistent intonation, and reliable response across the full range. This is a genuine Vincent Bach mouthpiece, brand new in the original manufacturer’s packaging, and offered by an authorized Bach dealer.
Bach 3491FC Classic 1.25C Cornet Mouthpiece Specifications
- Brand/series: Vincent Bach Classic
- Cup: 1.25C (3491FC)
- Medium Cup
- Cup diameter: 17 mm
- Finish: Silver plate
Condition
Brand new in original manufacturer’s packaging
Who the Bach 1.25C Classic Cornet Mouthpiece is For
The 3491FC is a Vincent Bach Classic cornet mouthpiece designed for cornet players who want a larger cup diameter with a medium cup profile and a traditional, widely supported Bach feel. It is a practical choice for advancing students, serious hobbyists, and working professionals who prefer a standard, familiar setup and value dependable intonation and even response.
Within the Bach Classic lineup, the 1-1/4C designation points to a larger rim/cup diameter than many common sizes, which can suit players looking for more room on the face while keeping a medium cup depth. This model is commonly selected by musicians who want a consistent, uniform timbre through registers and a mouthpiece that supports endurance over long rehearsals and performances.
Common Questions about the Bach 3491FC
Is the Bach 3491FC Classic 1.25C a genuine Vincent Bach mouthpiece?
Yes. This is a genuine Vincent Bach mouthpiece, sold by an authorized Bach dealer, and it ships brand new in the original manufacturer’s packaging.
What do “1-1/4C” and “medium cup” mean on a cornet mouthpiece?
1-1/4C indicates the Bach Classic size designation, including a larger cup/rim diameter. On this model the cup diameter is 17 mm, and “C” denotes a medium cup depth, a common balance of tone, response, and range for general cornet playing.
What is the finish on this mouthpiece, and how does it feel?
This mouthpiece is silver plated. Silver plate is a standard professional finish that offers a smooth, secure feel and is widely used for cornet and trumpet mouthpieces.
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 3491FC Classic 1.25 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.
