
TB12 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $28.98 | Condition is New, Kelly 12C Cold All Weather Trombone Mouthpiece STEEL GREY finish TB12SG, shipping cost = $5.62 | 100.0% |
![]() | $34.99 | Condition is New, Kelly TB12CO Crystal Orange Plastic Trombone Mouthpiece, FREE SHIPPING | 99.5% |
![]() | $34.99 | Condition is New, Kelly TB12PK Punk Pink Plastic Trombone Mouthpiece, shipping cost = $2.99 | 99.5% |
![]() | $34.99 | Condition is New, Kelly TB12CB 12C Crystal Blue Plastic Trombone Mouthpiece, shipping cost = $3.99 | 99.5% |
![]() | $34.99 | Condition is New, KELLY TB12CR 12C Crystal Red Trombone Mouthpiece, shipping cost = $4.99 | 99.5% |
![]() | $34.99 | Condition is New, KELLY TB12CG 12C Crystal Green Trombone Mouthpiece, shipping cost = $5.20 | 99.5% |
![]() | $38.95 | Condition is New, Kelly Mouthpieces 12C Trombone / Baritone Small-shank - Steel Gray, New!, shipping cost = $4.95 | 100.0% |
![]() | $39.95 | Condition is New, Kelly Mouthpieces 12C Trombone / Baritone Small-shank - Jet Black, New!, shipping cost = $4.95 | 100.0% |
![]() | $55.36 | Condition is New, KELLY-12C - Small-shank Trombone/Baritone Lexan-Mouthpiece - Crystal-Red, FREE SHIPPING | 98.8% |
![]() | $55.36 | Top Pick! Condition is New, KELLY-12C - Small-shank Trombone/Baritone Lexan-Mouthpiece - Crystal-Green, FREE SHIPPING | 98.8% |
![]() | $55.36 | Top Pick! Condition is New, KELLY-12C - Small-shank Trombone/Baritone Lexan-Mouthpiece - Crystal-Orange, FREE SHIPPING | 98.8% |
![]() | $55.36 | Top Pick! Condition is New, KELLY-12C - Small-shank Trombone/Baritone Lexan-Mouthpiece - Steel-Grey, FREE SHIPPING | 98.8% |
![]() | $55.36 | Condition is New, KELLY-12C - Small-shank Trombone/Baritone Lexan-Mouthpiece - Jet-Black, FREE SHIPPING | 98.8% |
![]() | $64.26 | Condition is New, KELLY-12C - Small-shank Trombone/Baritone Lexan-Mouthpiece - Crystal-Red, FREE SHIPPING | 99.7% |
![]() | $64.26 | Condition is New, KELLY-12C - Small-shank Trombone/Baritone Lexan-Mouthpiece - Crystal-Red, FREE SHIPPING | 98.2% |


The Kelly Mouthpieces TB12 Kelly-12C Small-Shank Trombone/Baritone Mouthpiece in Steel-Grey is a high-quality, versatile instrument mouthpiece designed for professional musicians and enthusiasts. This mouthpiece is crafted from durable Lexan material, known for its strength and resistance to warping, ensuring a consistent playing experience even in extreme temperature conditions.
The small-shank design of this mouthpiece is suited for trombones and baritones with a smaller bore size, making it a popular choice for players looking for a brighter, more focused sound. The Kelly-12C model features a medium-deep cup and a medium-large rim, providing a balance between comfort and control. This shape allows for a free-blowing tone with excellent projection, making it ideal for both solo and ensemble performances.
The steel-grey finish of this mouthpiece adds a touch of elegance and sophistication, while also ensuring a long-lasting, scratch-resistant surface. The mouthpiece is precision-machined for optimal symmetry and airflow, ensuring a consistent and reliable performance.
The Kelly Mouthpieces TB12 Kelly-12C Small-Shank Trombone/Baritone Mouthpiece in Steel-Grey is a versatile and reliable choice for musicians seeking a high-quality, durable mouthpiece that delivers a bright, focused sound. Whether you're a seasoned professional or a dedicated hobbyist, this mouthpiece is sure to meet your playing needs and exceed your expectations.
Pros of buying Kelly Mouthpieces TB12 (Kelly-12C small-shank) Lexan-mouthpiece steel-grey:1. Durability: The mouthpiece is made of Lexan, a type of polycarbonate, which is highly resistant to breakage, making it a great choice for frequent use or for those who travel often.
2. Affordability: Compared to mouthpieces made of more expensive materials like brass or gold-plated, the Kelly Mouthpieces TB12 is a cost-effective option.
3. Wide Range of Tones: The TB12 model is known for its versatility, allowing for a wide range of tones and dynamics, making it a suitable choice for various musical styles.
4. Comfort: The small-shank design of the mouthpiece may provide a comfortable fit for some players, reducing the risk of embarrassing drops or jolts.
5. Steel-Grey Finish: The sleek and stylish steel-grey finish adds a professional touch to the mouthpiece, making it a great option for those looking to improve their appearance while playing.
Cons of buying Kelly Mouthpieces TB12 (Kelly-12C small-shank) Lexan-mouthpiece steel-grey:1. Lack of Customization: Since the mouthpiece is made of synthetic materials, it may not offer the same level of customization as mouthpieces made of more traditional materials like brass.
2. Potential for Slippery Grip: The smooth surface of the steel-grey finish may make the mouthpiece slippery in some hands, which could lead to a less secure grip during play.
3. Limited Longevity: While Lexan is highly resistant to breakage, it may not last as long as mouthpieces made of more durable materials like brass.
4. Potential for Plastic-Like Sound: Some players may find that the sound produced by the mouthpiece is not as rich or resonant as that produced by mouthpieces made of more traditional materials.
Recommendation:In conclusion, the Kelly Mouthpieces TB12 (Kelly-12C small-shank) Lexan-mouthpiece steel-grey is a great option for those looking for an affordable, durable, and versatile mouthpiece. Its wide range of tones and comfortable fit make it a suitable choice for beginners and intermediate players. However, its lack of customization and potential for a plastic-like sound may not be ideal for more advanced players seeking a more refined sound. If you're looking for a cost-effective, durable, and versatile mouthpiece, the Kelly Mouthpieces TB12 is a great choice. If you're looking for a mouthpiece with more customization options and a richer sound, you may want to consider a mouthpiece made of more traditional materials.
Details:
Material type: lexan. Feel is softer warmer. 1/2 the price of traditional brass Mouthpieces. Allowing you to try different sizes at an affordable cost.
Features: Kelly Mouthpieces - fantastic price. C but, the best proof is: try one for yourself. Kelly Mouthpieces' lexan material has a softer, warmer, and more comfortable feel than traditional brass Mouthpieces. Material: lexan.
Color: steel-grey. A more comfortable. A the material does not conduct cold or heat like brass Mouthpieces. B don't let the color fool you - weave a high quality mouthpiece with new revolutionary design and construction.
Choose your school colors, seasonal corps or favorite colors. Color name: steel-grey. C same material as bulletproof-glass, NFL-football-helmets safety-eyeglass-lenses. Kelly Mouthpieces - try one today.
B the temperature remains neutral to inclement conditions. A of course you're skeptical. Or, get yourself a new cup-size or color. B won'scratch the rim or dent shank if dropped.
Item model number: TB12. A our lexan material is virtually indestructible. B never before could you play Mouthpieces with your school colors, corps colors,or favorite colors - now can.
Great characteristic sonorous sound. Instrument key: c. C price is fantastic. Package dimensions: 5.43 x 4.01 1.61 inches.
Brand: Kelly Mouthpieces. B response sound are the same. Computerized oscilloscope sound-testing has found no difference in sound production.
D colored, too. Style: modern.
specifications brassinstrum:
- brand: Kelly Mouthpieces
- mpn: Tb12
- part type: Baritone Mouthpiece Trombone
- upc: 877302005817
- color: Steel-grey
returns brassinstrum:
- paid by: seller
- policy: returns accepted
- time: 30 days
- method: money back
seller brassinstrum:
- city: USA,
- # reviews: 105299
- rating: 97.7%
shipping brassinstrum:
- class: standard
- type: fixed
- transit: 6-12 days
- service: standard
offer brassinstrum:
- prices: $28.98–$64.26
- item condition: New
- options: ship-to-home
- sold #: 27
- started: june 13, 2024
- in stock #: 5
- availability: in stock
payments brassinstrum:
- credit card: mastercard
- wallet: apple-pay
general brassinstrum:
- category: Musical Instruments > Brass > Accessories
More Items:
- BB51JB: MOUTHPIECE TROMBONE JET, Kelly
- TB65: MOUTHPIECE, Kelly Mouthpieces
- 33525: MOUTHPIECE TUBA, Bach Helleburg Kelly
- TP7CCB: MOUTHPIECE TRUMPET, Kelly Mouthpieces
- 877302006173: MOUTHPIECE TRUMPET, Kelly Mouthpieces
- 877302002113: MOUTHPIECE, Kelly Mouthpieces
- TP7CCP: MOUTHPIECE TRUMPET, Kelly Mouthpieces
- 641064083273: MOUTHPIECE TROMBONE, Kelly
- TB12CR: MOUTHPIECE, Kelly Mouthpieces
- 773020033700: MOUTHPIECE TRUMPET BUGLE, Kelly Mouthpieces
- 641064084386: MOUTHPIECE TRUMPET, Kelly














