Bach 34912B Cornet Mouthpiece Overview
The Bach 34912B Classic 12B Cornet Mouthpiece is a genuine Vincent Bach silver-plated cornet mouthpiece built around the Classic 12B cup design, with a medium-deep cup and a 15.20mm cup diameter for a balanced blend of tone, response, and intonation. This item is brand new in the original manufacturer’s packaging and is sold by an authorized Bach dealer.
Bach 34912B Cornet Mouthpiece Specifications
- Series: Vincent Bach Classic
- Instrument: Cornet
- Model: 34912B
- Cup: 12B
- Cup depth: Medium deep
- Cup diameter: 15.20mm
- Finish: Silver plate
Condition
Brand new in the original manufacturer’s packaging
Who the 34912B Cornet Mouthpiece Is For
The Bach 34912B is a silver-plated cornet mouthpiece designed for cornet players who want a Classic-series setup with a medium-deep cup and a 15.20mm cup diameter. It is a strong fit for players who prioritize consistent intonation, clear response across registers, and a uniform timbre that stays centered from low to high range.
This model is commonly chosen by advancing students, serious hobbyists, and professionals who prefer the feel and consistency of genuine Vincent Bach mouthpieces and want a traditional 12B cup profile for cornet literature, band, and ensemble work.
Common Questions About the Bach 34912B
Is the Bach 34912B intended for cornet or trumpet?
The 34912B is a cornet mouthpiece model. Cornet mouthpieces are typically shaped and voiced differently than trumpet mouthpieces, so this model is best matched with cornet receivers and cornet playing characteristics.
What does the 12B cup indicate on this mouthpiece?
The 12B designation refers to the Classic 12B cup design, specified here as a medium-deep cup with a 15.20mm cup diameter. This combination is typically used to balance tonal richness with clean response and stable intonation.
Is this mouthpiece new, and does it include a case?
Yes. This mouthpiece is brand new and includes the original manufacturer’s packaging (listed as the case). No additional accessories are included.
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 34912B Classic 12B Cornet Mouthpiece in Silver Plate
Bach 34912B Cornet Mouthpiece Overview
The Bach 34912B Classic 12B Cornet Mouthpiece is a genuine Vincent Bach silver-plated cornet mouthpiece built around the Classic 12B cup design, with a medium-deep cup and a 15.20mm cup diameter for a balanced blend of tone, response, and intonation. This item is brand new in the original manufacturer’s packaging and is sold by an authorized Bach dealer.
Bach 34912B Cornet Mouthpiece Specifications
- Series: Vincent Bach Classic
- Instrument: Cornet
- Model: 34912B
- Cup: 12B
- Cup depth: Medium deep
- Cup diameter: 15.20mm
- Finish: Silver plate
Condition
Brand new in the original manufacturer’s packaging
Who the 34912B Cornet Mouthpiece Is For
The Bach 34912B is a silver-plated cornet mouthpiece designed for cornet players who want a Classic-series setup with a medium-deep cup and a 15.20mm cup diameter. It is a strong fit for players who prioritize consistent intonation, clear response across registers, and a uniform timbre that stays centered from low to high range.
This model is commonly chosen by advancing students, serious hobbyists, and professionals who prefer the feel and consistency of genuine Vincent Bach mouthpieces and want a traditional 12B cup profile for cornet literature, band, and ensemble work.
Common Questions About the Bach 34912B
Is the Bach 34912B intended for cornet or trumpet?
The 34912B is a cornet mouthpiece model. Cornet mouthpieces are typically shaped and voiced differently than trumpet mouthpieces, so this model is best matched with cornet receivers and cornet playing characteristics.
What does the 12B cup indicate on this mouthpiece?
The 12B designation refers to the Classic 12B cup design, specified here as a medium-deep cup with a 15.20mm cup diameter. This combination is typically used to balance tonal richness with clean response and stable intonation.
Is this mouthpiece new, and does it include a case?
Yes. This mouthpiece is brand new and includes the original manufacturer’s packaging (listed as the case). No additional accessories are included.
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 34912B Classic 12B 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.