
B-123 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $115.50 | Condition is Used, Blessing B123 cornet w/ Bach mouthpiece And Case, shipping cost = $136.65 | 100.0% |
![]() | $550.00 | Condition is Used, Blessing B-123 Cornet - Lacquered brass/silver, shipping cost = $12.59 | 100.0% |

The Blessing B-123 mouthpiece for cornets and Bach-style instruments is a premium product designed for musicians seeking superior tone quality, intonation, and response. This mouthpiece is meticulously crafted by the renowned German manufacturer, Blessing, known for their commitment to producing high-end brass mouthpieces.
The B-123 model is specifically engineered for cornets and Bach-style instruments, making it an ideal choice for players looking for a mouthpiece that delivers the rich, full sound associated with these types of instruments. The rim of this mouthpiece is medium-low, providing a comfortable fit for a wide range of players. It is also slightly oval-shaped, allowing for a more even distribution of air flow and improved intonation.
The cup design of the B-123 mouthpiece is medium-deep, providing a balance between projection and resonance. This depth enables the mouthpiece to produce a warm, round tone while still allowing for the articulation and clarity needed for intricate musical passages. The backbore of the mouthpiece is also carefully designed to ensure seamless transition between the mouthpiece and the instrument, contributing to improved intonation and response.
The Blessing B-123 mouthpiece is made from a durable yet lightweight material called Monel, which is a nickel alloy known for its resistance to corrosion and its ability to maintain its shape over time. This ensures that the mouthpiece remains in excellent condition, even with frequent use.
In summary, the Blessing B-123 mouthpiece for cornets and Bach-style instruments offers musicians a superior playing experience. Its medium-low, slightly oval rim, medium-deep cup, and durable Monel construction combine to provide a comfortable fit, rich tone, and improved intonation and response. This mouthpiece is an excellent investment for any serious brass player looking to enhance their sound and elevate their playing.
The B123 mouthpiece by Bach is a popular choice among cornet players due to its unique design and tonal characteristics. Here are some pros and cons that may help you decide if this mouthpiece is right for you.
Pros:1. Wide Bore: The B123 mouthpiece has a wider bore than most standard cornet mouthpieces. This allows for a greater volume of sound and a more powerful tone.
2. Flexibility: The B123 mouthpiece offers a good balance of resistance and flexibility, making it suitable for a wide range of playing styles and repertoire.
3. Brass Rim: The rim of the B123 mouthpiece is made of brass, which some players prefer for a more responsive and sensitive feel.
4. Bright Tone: The B123 mouthpiece produces a bright and clear tone, which is ideal for solo work and ensemble playing.
5. Durability: The B123 mouthpiece is made of high-quality materials and is designed to last for a long time.
Cons:1. Size: The B123 mouthpiece is larger than most standard cornet mouthpieces, which may not be suitable for players with smaller mouths or embouchures.
2. Adjustment: Some players find that the B123 mouthpiece requires more adjustment time than other mouthpieces to achieve a comfortable fit and optimal sound.
3. Cost: The B123 mouthpiece is more expensive than some other cornet mouthpieces on the market.
4. Break-in Period: Some players report that the B123 mouthpiece requires a longer break-in period than other mouthpieces to reach its full potential.
In conclusion, the B123 mouthpiece by Bach is a high-quality and versatile option for cornet players who are looking for a bright, powerful, and flexible mouthpiece. However, its larger size and higher cost may make it a less suitable choice for some players. Ultimately, the decision to purchase a B123 mouthpiece depends on your individual playing style, preferences, and budget.
If you are considering purchasing a B123 mouthpiece, I would recommend trying it out in person if possible. Many music stores offer rental or trial options, which can help you determine if the mouthpiece is a good fit for you before making a purchase. Additionally, you may want to consider consulting with a reputable music teacher or instrument technician for their advice and recommendations.
Details:
Includes original Blessing hard case and a bach 5b mouthpiece. Had scratched and a few small dents. Great cornet. Nothing ugly.
Nice used eke Blessing bb cornet. See all photos. USA produced. No work needed.
Plays and sounds great.
specifications brassinstrum:
- brand: Blessing
- mpn: B-123
- color: Gold
- set includes: Case, Mouthpiece
- leadpipe material: Brass
- bore size: Medium
- type: Valve
- valve type: Piston
- instrument: Cornet
- features: Finger Hook
- experience level: Beginner
- finish: Lacquered
- key: Bb
shipping brassinstrum:
- class: expedited
- type: calculated
- service: usps priority mail
- transit: 3-8 days
- carrier: usps
offer brassinstrum:
- in stock #: 2
- options: ship-to-home
- prices: $115.50–$550.00
- item condition: Used
- availability: in stock
- started: april 20, 2026
- sold #: 5
returns brassinstrum:
- paid by: buyer
- policy: returns accepted
- method: money back
- time: 30 days
payments brassinstrum:
- credit card: visa
- wallet: google-pay
- other
general brassinstrum:
- category: Musical Instruments > Brass > Cornets
seller brassinstrum:
- # reviews: 14301
- city: san antonio, texas
- rating: 100.0%
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