
Bach 3421 Classic 1 Flugelhorn Mouthpiece Overview
The Bach 3421 Classic 1 Flugelhorn Mouthpiece is a genuine Vincent Bach flugelhorn mouthpiece designed to support centered intonation, consistent response across registers, and a rich, uniform timbre, finished in silver plate.
Bach Classic 1 Flugelhorn Mouthpiece Specifications
- Series: Classic
- Model: 3421
- Cup: 1 (Deep)
- Cup Diameter: 17.5 mm
- Rim Shape: Medium Thin Rim
- Backbore: #22
- Finish: Silver Plate
Condition
Brand new in original manufacturer’s packaging
Who the 3421 Classic 1 Flugelhorn Mouthpiece Is For
The Bach 3421 Classic 1 is a deep-cup flugelhorn mouthpiece designed for players who want a larger, more open feel and a full, clear flugelhorn sound. With its extra-large cup profile and #22 backbore, it is commonly chosen by musicians seeking a rich, broad tone while maintaining stable intonation and dependable response throughout the range.
This model is well-suited to serious students, advancing players, and professionals who prefer a substantial cup volume and a medium-thin rim, including players with a thin, robust embouchure who want added depth and tonal breadth typical of traditional flugelhorn playing.
Common Questions about the Bach 3421
Is the Bach 3421 Classic 1 a good choice for professional flugelhorn use?
Yes. The 3421 Classic 1 is a standard, widely used Vincent Bach flugelhorn mouthpiece design, selected by many professionals for its deep cup feel, consistent response, and full flugelhorn tone.
What does the deep 1 cup and #22 backbore do for sound and feel?
The deep 1 cup increases cup volume, which typically supports a darker, broader flugelhorn sound. The #22 backbore is designed to keep the tone rich and clear while maintaining a stable playing feel.
Who is the typical user of a mouthpiece with a thin rim?
Players who use thin rim flugelhorn mouthpieces include lead trumpet doublers, orchestral musicians who require upper-register agility, and musicians with larger, fleshier lips
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 3421 Classic 1 Flugelhorn Mouthpiece in Silver Plate
Bach 3421 Classic 1 Flugelhorn Mouthpiece Overview
The Bach 3421 Classic 1 Flugelhorn Mouthpiece is a genuine Vincent Bach flugelhorn mouthpiece designed to support centered intonation, consistent response across registers, and a rich, uniform timbre, finished in silver plate.
Bach Classic 1 Flugelhorn Mouthpiece Specifications
- Series: Classic
- Model: 3421
- Cup: 1 (Deep)
- Cup Diameter: 17.5 mm
- Rim Shape: Medium Thin Rim
- Backbore: #22
- Finish: Silver Plate
Condition
Brand new in original manufacturer’s packaging
Who the 3421 Classic 1 Flugelhorn Mouthpiece Is For
The Bach 3421 Classic 1 is a deep-cup flugelhorn mouthpiece designed for players who want a larger, more open feel and a full, clear flugelhorn sound. With its extra-large cup profile and #22 backbore, it is commonly chosen by musicians seeking a rich, broad tone while maintaining stable intonation and dependable response throughout the range.
This model is well-suited to serious students, advancing players, and professionals who prefer a substantial cup volume and a medium-thin rim, including players with a thin, robust embouchure who want added depth and tonal breadth typical of traditional flugelhorn playing.
Common Questions about the Bach 3421
Is the Bach 3421 Classic 1 a good choice for professional flugelhorn use?
Yes. The 3421 Classic 1 is a standard, widely used Vincent Bach flugelhorn mouthpiece design, selected by many professionals for its deep cup feel, consistent response, and full flugelhorn tone.
What does the deep 1 cup and #22 backbore do for sound and feel?
The deep 1 cup increases cup volume, which typically supports a darker, broader flugelhorn sound. The #22 backbore is designed to keep the tone rich and clear while maintaining a stable playing feel.
Who is the typical user of a mouthpiece with a thin rim?
Players who use thin rim flugelhorn mouthpieces include lead trumpet doublers, orchestral musicians who require upper-register agility, and musicians with larger, fleshier lips
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 3421 Classic 1 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.
