Trumpet Mouthpiece Sizes, Numbers Letters And Function (KNOWLEDGE)

For those who are passionate about trumpets, surely they know about the origin of the trumpet. The trumpet is a brass instrument that was first found in the tomb of an Egyptian king. It is known as the highest-pitched trumpet in the ensemble. With its special sound, the trumpet is becoming more and more popular. This trumpet is used in many different fields of activity. These include: academic symphony orchestras, military trumpets for national ceremonies, jazz orchestras, big bands and light orchestras for the entertainment of music lovers.

As the bridge between you and the instrument, the trumpet mouthpiece plays a very important role. However, talking about trumpet mouthpiece sizes numbers letters, you don’t really understand what the difference between numbers is and what those numbers are used for. Are you faced with the difficult task of buying your first mouthpiece trumpet? Are you looking for a perfect mouthpiece trumpet? That’s why wrote this article. Scroll down and find the answer you like!

What does the number of the trumpet mean?

Different manufacturers use different numbering systems. For students and professionals, the Vincent Bach system’s Trumpet mouthpiece is one of the most popular mouthpieces in the world. So, what does the number of the trumpet mean? The letters and numbers on the mouthpiece refer to the diameter and depth of the cup. It means that the larger the number, the smaller the rim diameter. Meanwhile, the Schilke system – Vincent Bach’s competitor – goes the opposite way, small numbers mean small rim diameters. Also, Bob Reeves, Parduba, Monette, Yamaha are also mouthpiece trumpet makers that you might consider.

1. Distinguish the brand and format of each type of bellows

The trumpet mouthpiece is cleverly and meticulously designed in every bite and small segment, which makes the product user-friendly. It allows the user to easily blow the trumpet and feel smooth when playing it. The mouthpiece trumpet is an accessory that helps the player to be more comfortable in creating the necessary sounds. With different sizes from 3C, 5C to 7C. This is also a trademark feature of the Vincent Bach system. The number is the size of the cup of the mouthpiece, 3 is greater than 5 or 7. The C indicates the depth of the cup and C is the average depth, or what the average trumpet player uses. 

2. Difference between 3c and 7C

Is A 7c Mouthpiece Not Better Than A 3c? 7C is slightly deeper than 3C, but that doesn’t mean 3c is a better choice than 7C. Smaller cups make it easier to increase the brightness of the sound, while deeper cups make for a more engaging sound. There are separate standards for beginners, and the most important point is that it should be based on conformity

What is a 3C trumpet mouthpiece good for? 

The 3C trumpet mouthpiece with 16.3 mm cup diameter, medium cup depth, moderately wide rim shape allows for large range operation and produces high quality sound. It is a great choice for playing the trumpet from intermediate to advanced level.

3. Difference between 3c and 5c

The cup size on the Bach 5c is slightly smaller than the cup on the 3c mouthpiece. Player 5c will use less air and pressure, however, the sound will be slightly less rich than player 3c. Difference doesn’t necessarily mean better or worse. In fact, they are both widely used and universal. The decision to buy depends on your purpose of use, personality and preferences. Revealing, even if you are a beginner trumpet player, you can still use 3c or 5c. 

What is the mouthpiece on a trumpet called? Standard trumpet size?

To those who play musical instruments, they refer to the word “an embouchure” or “a mouthpiece” as the way to put your mouth on an instrument and make a sound.Nothing to discuss about the word mouthpiece, right? Let’s take a closer look at the word “Embouchure” and why the mouthpiece on a trumpet is called Embouchure. 

The word “Embouchure” means “mouth” in French. It is used to refer to the position of the muscles on our face, mouth, and lips, and how we place the mouthpiece on them, to make the sound on the trumpet. In brass playing, vibration is especially important because the vibration of the lips is what makes the sound. The embouchure is what turns the air flow into these vibrations and changes them to produce different notes and sounds. Do you have any more questions about this word?

Other mouthpiece companies will have different ways of distinguishing mouthpieces, but they are roughly similar to Vincent Bach’s standard notation. According to Vincent Bach, the number on the mouthpiece refers to the diameter (the bigger the number, the smaller the diameter) and the letters indicate the depth of the cup (F is the shallowest and A is the deepest). Since the depth as well as the diameter are in the middle of the range, not too big or small, the 7C is considered a standard trumpet size and is often the choice of beginners.

1. What is the biggest trumpet blower?

The largest trumpet is the mouthpiece 1 (also known as 1a). According to Vincent Bach’s trumpet mouthpiece sizes numbers letters, the number 1 refers to the largest cup diameter. This means it has a large cup hole that makes it easy for the player to control the sound, and of course it’s also difficult to hit the high notes. Therefore, Mouthpiece 1a requires professional skills and good sound processing experience. Interestingly, for those with large and thick lips, it can be a perfect choice.

2. What is the smallest trumpet blower?

The smallest trumpet blower is model 3 – according to the Bach system. 16.3mm is its cup diameter – the smallest of its kind. For trumpet players, especially those who like to play high notes, it is not considered an option because it is difficult to control the timbre.

How to determine the size of the mouth of the trumpet?

To play the trumpet, the player blows into the trumpet mouthpiece, by varying the lip aperture and pressure, and produces a sound that travels through the tube. Thanks to the right trumpet, players can create the sound they want. Different sizes of trumpets also produce different bright, clear and outstanding reverberations. It can be said that a trumpet mouthpiece is an important accessory in creating sound. So, is the trumpet mouthpiece you are using really right for you? How to determine the size of the mouth of the trumpet? You can refer to some of the criteria below:

First, consider lip structure

Choosing a trumpet can be more difficult than choosing a trumpet. There are many factors that affect the sound quality and comfort of playing the trumpet. First of all, you need to consider the lip structure. Thin lips, thick lips or lip shape all influence the choice of trumpet mouthpiece size. Most of them will be manufactured to conventional standards. If you want a mouthpiece trumpet that fits snugly, you can absolutely order it from the manufacturer. Of course, you will need to spend more but it is well worth the investment.

How you will use mouth of the trumpet

The trumpet in modern life is too familiar to people. The trumpet is a prominent instrument in the ensemble that possesses a wide range of vocal ranges. They appear in jazz, rock or country music festivals. Depending on the intended use, you will be able to choose the correct mouthpiece size. For example, if you play for an orchestra, you will need to find a larger mouthpiece trumpet. And if you want to experiment, you can choose a smaller one to start. As long as it meets your requirements, it’s worth buying.

Seek advice from experienced people

A comfortable mouthpiece is how to determine the size of the trumpet mouthpiece. Consult with a teacher, friend or professional to see if blowing with this mouthpiece sounds ok (at least for 1 week). When choosing a trumpet mouthpiece, you should consider your skill level and the desired sound. For instance, if you are a student, talking to a music teacher or instructor is the optimal choice. Remember that their opinions are for reference only, the most important thing is your comfort when using it.

In short, the size of the mouth of the trumpet must be comfortable to use. Is it suitable for your instrument? Is it on your lips or teeth? Can I play the trumpet with high, low, loud, low and clear sound? The decision is yours!

What trumpet mouthpiece should a beginner use?

You just bought a trumpet, and want to practice hard every day to master this instrument soon. However, one big problem you have is that you don’t know which  trumpet mouthpiece is suitable for beginners. Trumpet mouthpiece sizes numbers letters are the things you need to look at when choosing to buy a product. In fact, there is no such thing as a “best” mouthpiece. The best one is not necessarily the right one, the right one is definitely the best choice for you. 

If you must give specific suggestions, fit and function are two aspects to consider when choosing a trumpet mouthpiece for a beginner. You have to try it yourself, and make a decision. However, the 7C mouthpiece is a general purpose universal size. If you’re a beginner, the Bach 7C medium mouth trumpet is the right size to learn how to play. Or if you choose a trumpet mouthpiece from another company, you should also choose one with a similar shape. 7C is the most common, this does not mean 3C and 5C should not be selected. It won’t matter for you to use a trumpet mouthpiece 7c for 20 years if the 7C is the right one for you.

Do all trumpet mouthpieces fit all trumpets?

A trumpet mouthpiece is more than just an accessory or additional tool. The mouthpiece is arguably the most important part of any brass instrument, including the trumpet – the gateway between the artist and the instrument. You may not believe it, but the truth is that there is no sound without a mouthpieceTrumpet mouthpiece is made to help air circulation, creating a special sound, unmistakable with any other musical instrument. Therefore, they all have the same structure and function in the same way. In other words, almost all trumpet mouthpieces fit all standard trumpets (though there are exceptions).


Referring to the trumpet, everyone probably thinks it’s loud and jarring and the player is also like “blowing cheeks, rolling eyes” when blowing, but that notion is incorrect. If you choose the right trumpet mouthpiece to perform a smooth melodious melody, people will have a completely different view of the trumpet in particular and the trumpet family of instruments in general. All of them are professional and world-recognised instruments that produce beautiful, personable and versatile sounds.

Above is detailed information about trumpet mouthpiece sizes numbers letters. At first glance, you might think that the trumpet mouthpiece seems to be a small part of an instrument. However, each trumpet mouthpiece can help you change the sound you’re making. You can completely own a collection of trumpet mouthpieces, know the difference between them and choose the best one for you. In addition to expert advice, experience the trumpet mouthpiece yourself to determine which type and size is right for you.

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