SKU: 70180174762

Bach 351 Classic Trumpet Mouthpiece

Sale price$51.29 Regular price$56.99
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Description

Bach 351 Classic Trumpet MouthpieceGet closeout pricing on remaining sizes of the Bach Classic trumpet mouthpiece. Choose from the drop down menu. Final sale. The Bach 351 trumpet mouthpiece collection is the archetype for most modern mouthpiece designs. The vast range of sizes available allows any player to choose a Bach mouthpiece and improve their comfort, efficiency and sound. The sizing system illustrated here is used by many other brands and has become a standard for comparison.

Get closeout pricing on remaining sizes of the Bach Classic trumpet mouthpiece.  Choose from the drop-down menu.  Final sale.

The Bach 351 trumpet mouthpiece collection is the archetype for most modern mouthpiece designs. The vast range of sizes available allows any player to choose a Bach mouthpiece and improve their comfort, efficiency and sound. The sizing system illustrated here is used by many other brands and has become a standard for comparison.

Most of these descriptions are culled from the Vincent Bach Mouthpiece Manual, which is worth a look. The manual is a treasure trove of information. The last sentence in each, comparing the size to the adjacent mouthpiece, is based on viewing the Kanstul Mouthpiece Comparator.

The Bach mouthpieces below and those in the drop down menu are the models we stock. There are a few other sizes readily available. If you wish for a more obscure size of Bach mouthpiece, please call or email. Most sizes are available within 1-2 weeks. We also stock a selection of Bach cornet and flugelhorn mouthpieces.

Bach Trumpet Mouthpieces

Model

 

Cup Diameter

Cup Depth

Backbore

 

1

17.50mm

Deep

24

 

Deep cup, medium thin rim, extra large cup for players with a robust embouchure, produces a great volume of tone. Rounder rim than the 1C with the high point toward the middle of the rim, less inside edge bite than 1C, may feel wider, more cup volume.

 

 

1C

17.00

Medium

10

 

Medium cup, medium wide rim. Large diameter, medium cup, good for all-around use. Slightly shallower cup than the 1, more bite to the inside of the rim. Rim is rounded toward the outside.

 

 

1 1/4C

17.00

Medium

10

 

Medium cup, medium wide rim, large cup for powerful trumpeters. Compact tone of great carrying power. Rounder rim than 1C, high point of the rim is much wider, towards the center of the rim, smoother transition from rim to cup, less verticle drop, less cup volume than 1C, similar depth.

 

 

1 1/2C

17.00

Medium

10

 

Medium wide rim, not too sharp. Large diameter, medium cup, good for all-around use. Very popular classical mouthpiece for advanced players. Close to 1 1/4C, slightly less cup volume, rounder rim profile.

 

 

2 1/2C

16.40

Medium

10

 

Medium wide rim, lowered toward the outside, large cup, brilliant, heroic, crisp C trumpet tone, for players with strong muscular lips. More bowl shaped cup with more defined shoulder at the bottom, rim edge has more bite, faster more vertical drop into the cup.

 

 

3B

16.30

Medium Deep

7

 

Medium wide rim, medium deep cup, fairly large cup with a warm and full tone. Round rim, less cup volume than the 2 1/2C, slightly more conical cup profile.

 

 

3C

16.30

Medium

10

 

Medium wide rim, fairly large cup, good for all-around use. Very popular mouthpiece. Flatter rim than 3B, shallower cup with less cup volume.

 

 

5B

16.25

Medium Deep

7

 

Medium wide rim, lowered toward the outside, medium sharp edge, precise rim and medium deep, fairly large cup, full and vivid tone. Similar rim profile to 3C, more drop to the outside of the rim, deeper cup.

 

 

5C

16.25

Medium

10

 

Medium wide rim, well rounded towards the inside and outside, fairly flat, medium cup, for players with a strong embouchure who do not like a sharp edge. The tone is lively and rich. Very subtle difference between 5B and 5C. A tiny bit less cup volume compared to the 5B.

 

 

5MV

16.25

Medium Deep V

25

 

Medium wide rim, lowered toward the outside, medium sharp edge. Medium deep V style cup with #25 throat and #25 backbore. Deep, good commercial sound. Rimn is slightly narrower than 5C, more rounded toward the outside edge, steeper drop from the rim into the cup, then it transitions to a V cup with less should above the throat.

 

 

7C

16.20

Medium

10

 

Medium wide rim, lowered toward the outside, medium sharp inside. Well-rounded edge with a perfect grip. Probably the most widely used model in the world. Its brilliant tone is preferred by school musicians and by artists. Similar to 5C, but with slightly more bit to the inside of the rim, steeper drop into the cup, slightly more bowl shaped. Rim is wide and rounded towards the outside edge.

 

 

7E

16.20

Shallow

117

 

Medium wide rim, similar to 7C, shallow cup, this Eb trumpet cup produces a crisp, sparkling tone in the extreme high register. Widely used for piccolo trumpet. Also available with cornet shank.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 70180174762

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sophie
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★★★★★ 5
amazing cuddle toy
Color: Elwin
my dog’s fav toy at the moment. definitely not for hard chewers since it’s not durable. my girl loves carrying it around, squeaking it and cuddling with it. definitely worth the money, super cute and love how much my dog carries it around!
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Happy Gardener
Pawtucket, US
★★★★★ 4
Soft non-squeaker
Color: Enno
Our son's dog loved this non-squeaker! Very easy to carry around the house and cuddle with on his bed.
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Reviewed in the United States on November 22, 2025
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WoostaDon
Whiting, US
★★★★★ 5
Molly loves this
Color: Elroy
My small dog loves this
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Reviewed in the United States on March 4, 2026
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Charlii
Waukegan, US
★★★★★ 1
Very disappointed
Color: Enno
The toy was split into pieces in the first 5 minutes of the dog playing with it. Apparently not as durable as advertised.
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Amazon Customer
New York, US
★★★★★ 3
Dog toys need to be sturdy - maybe you should sew them with a 5-thread machine like a serger?
Color: Elroy
My dog's full size teddy is disintegrating, so I ordered this one. It's very cute, but the seams are really weak. I've already repaired 3 seams in just a few weeks.
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Reviewed in the United States on March 13, 2026

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