Bach S350 Standard Small Bore - 15D Silver-Plated (Trombone)
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Information
Information
Manufacturer Information
Bach
https://www.bachbrass.com
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Safety manager:
GEWA music GmbH
Email: info@gewamusic.com
Address:
Vincent Bach: Excellence in Brass
Vincent Bach, a musician and engineer, founded Bach mouthpieces in New York in 1918 with a simple idea: to offer consistently superior quality. The brand's reputation was built alongside legendary instruments, becoming synonymous with precision and musicality in brass instruments.
For Which Musician and Styles?
This Bach mouthpiece is particularly suited for trombonists seeking an immediate grip on a small bore instrument (narrower internal diameter, often more direct and responsive). It is suitable both for beginners who want easy sound production and for intermediate players in harmony bands, brass bands, jazz, or light classical repertoire.
Sound and Design
Thanks to its shallow cup, sound production is generally easier and articulation clearer, with a projection that "cuts through" quickly. The soft outer rim enhances comfort over long playing sessions, while the throat (air passage diameter) of 5.85 mm promotes a smooth airflow sensation. The silver finish provides a smooth and pleasant surface to the touch.
Recommended Compatible Accessories
For daily maintenance, a brass mouthpiece cleaning brush/swab is recommended to limit deposits and maintain stable response.
Important: This product is subject to a specific withdrawal right. For hygiene reasons, if the product has been opened, it must be free of any signs of use to qualify for withdrawal (refund or exchange).
Technical specifications
| Cup depth | Shallow | Finishing | Silver |
| Color | Grey | ||
| Bore | small bore | Throat | 5.85 mm |
| Shank | 402 | Rim | soft outer rim |
| Cup diameter | 24.40 mm | Finish | silver |
Questions frequently asked
Is the Bach S350 15D mouthpiece compatible with a small bore trombone?
This mouthpiece is designed for small bore trombones and features a 402 shank.
What is the cup diameter of the Bach 15D?
The cup diameter is 24.40 mm. The rim width measures 5.85 mm, providing a smooth blowing sensation.
Does the shallow cup facilitate easier playing?
The shallow cup promotes easier playability and clear articulation. The projection comes out quickly, which meets the needs of playing in concert bands, brass bands, or jazz.
Is this mouthpiece suitable for a beginner trombonist?
This model is suitable for beginners seeking immediate ease of use on a small bore trombone. Its soft outer rim is designed to enhance playing comfort.
How should a silver-plated Bach mouthpiece be maintained?
A mouthpiece brush or cleaning brush for brass instruments is recommended to limit buildup. The silver finish should remain free of wear marks if the mouthpiece is to be returned after opening. This condition is part of the hygiene rules applicable to the product.



