
Bach 3423D Classic 3D Flugelhorn Mouthpiece Overview
The Bach 3423D Classic 3D Flugelhorn Mouthpiece is a brand-new, genuine Vincent Bach flugelhorn mouthpiece designed to deliver consistent response, secure intonation, and a rich, uniform tone across the full range. Finished in silver plate and built around Bach’s widely used Classic profile, the 3D is a practical, all-around choice for players who want a medium-shallow cup feel with a cup diameter that remains familiar when switching between flugelhorn and trumpet.
Bach 3423D Classic 3D Flugelhorn Mouthpiece Specifications
- Series: Classic
- Model: 3423D (3D)
- Finish: Silver plated
- Cup: 3D, medium shallow
- Cup diameter: 16.3 mm
- Rim shape: Medium wide
Condition
Brand new in the original manufacturer’s packaging
Who the 3423D Flugelhorn Mouthpiece is For
The 3423D is a silver-plated flugelhorn mouthpiece made for players who want a versatile, general-purpose setup with a familiar rim feel and a medium-shallow cup. Its 16.3 mm cup diameter and medium-wide rim make it a solid staple choice for many flugelhorn players, especially those moving between flugelhorn and trumpet and looking for consistent response and comfort.
Vincent Bach mouthpieces are widely used in professional settings because they prioritize clear intonation, even timbre, efficient response in all registers, and endurance-friendly playability. The 3D size is commonly chosen when you want a dependable all-around flugelhorn mouthpiece without jumping to an extreme cup depth or rim profile.
Common Questions about the Bach 3423D
Is the Bach 3423D suitable for professional use?
Yes. Genuine Vincent Bach mouthpieces are a standard professional choice, and the 3423D is a common all-around flugelhorn size designed for consistent intonation, response, and an even tonal character across registers.
What does “3D” mean on a Bach flugelhorn mouthpiece?
3D is Bach’s size designation. On this model it indicates a 16.3 mm cup diameter with a medium-shallow 3D cup and a medium-wide rim, aimed at balanced playability and a familiar feel.
Is the 3423D a good option if I switch between trumpet and flugelhorn?
Yes. The 3423D is often selected as a staple flugelhorn mouthpiece because its dimensions support a comfortable transition for players who move between flugelhorn and trumpet and want consistent response.
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 3423D Classic 3D Flugelhorn Mouthpiece in Silver Plate
Bach 3423D Classic 3D Flugelhorn Mouthpiece Overview
The Bach 3423D Classic 3D Flugelhorn Mouthpiece is a brand-new, genuine Vincent Bach flugelhorn mouthpiece designed to deliver consistent response, secure intonation, and a rich, uniform tone across the full range. Finished in silver plate and built around Bach’s widely used Classic profile, the 3D is a practical, all-around choice for players who want a medium-shallow cup feel with a cup diameter that remains familiar when switching between flugelhorn and trumpet.
Bach 3423D Classic 3D Flugelhorn Mouthpiece Specifications
- Series: Classic
- Model: 3423D (3D)
- Finish: Silver plated
- Cup: 3D, medium shallow
- Cup diameter: 16.3 mm
- Rim shape: Medium wide
Condition
Brand new in the original manufacturer’s packaging
Who the 3423D Flugelhorn Mouthpiece is For
The 3423D is a silver-plated flugelhorn mouthpiece made for players who want a versatile, general-purpose setup with a familiar rim feel and a medium-shallow cup. Its 16.3 mm cup diameter and medium-wide rim make it a solid staple choice for many flugelhorn players, especially those moving between flugelhorn and trumpet and looking for consistent response and comfort.
Vincent Bach mouthpieces are widely used in professional settings because they prioritize clear intonation, even timbre, efficient response in all registers, and endurance-friendly playability. The 3D size is commonly chosen when you want a dependable all-around flugelhorn mouthpiece without jumping to an extreme cup depth or rim profile.
Common Questions about the Bach 3423D
Is the Bach 3423D suitable for professional use?
Yes. Genuine Vincent Bach mouthpieces are a standard professional choice, and the 3423D is a common all-around flugelhorn size designed for consistent intonation, response, and an even tonal character across registers.
What does “3D” mean on a Bach flugelhorn mouthpiece?
3D is Bach’s size designation. On this model it indicates a 16.3 mm cup diameter with a medium-shallow 3D cup and a medium-wide rim, aimed at balanced playability and a familiar feel.
Is the 3423D a good option if I switch between trumpet and flugelhorn?
Yes. The 3423D is often selected as a staple flugelhorn mouthpiece because its dimensions support a comfortable transition for players who move between flugelhorn and trumpet and want consistent response.
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 3423D Classic 3D Flugelhorn 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.
