The modern trumpet is comprised of several components. As you may have already noticed, all of them are not created equal. Some trumpets may have more (or less) features depending on the make and/or model of the instrument, but they all contain the same basic parts. The basic components of the trumpet are shown as labeled below.
The mouthpiece is arguably the most crucial component of the trumpet. The mouthpiece allows the musician to have varying degrees of control over the pitch, range, timbre, and tone quality of the instrument. Several factor contribute to the performance of a particular mouthpiece, many of which are dependent on the individual using it. components
Individuals with thin lips tend to favor shallow cup mouthpieces of varying rim size, while persons with fuller lips usually find comfort throughout the register of the horn with mouthpieces with deeper cups. Players with median lip fullness will usually fall somewhere in the middle of cup sizes, all contingent upon the individuals comfort level. components
Keep in mind that not every player has the same
makeup, so what may be comfortable for one person may not be so comfortable for another. For beginners, a 7C mouthpiece is an ideal size to start with. It is advisable that a player get well acquainted with playing the trumpet before delving into the potentially expensive quest for the perfect mouthpiece.
Mouthpiece makers have different designations for their mouthpiece dimensions. This being the case, I will speak on the relative dimensions of the mouthpiece to give you an idea of the attributes associated with them. trumpet components
RIM - The rim is the portion of the mouthpiece that sits directly on the lips. Wider rims tend to help with endurance while narrower rims assist with flexibility. A sharp edge on the interior of the rim allows for controlled note attack, while rounder edges feel more comfortable, which is desirable for longer playing sessions. trumpet components
CUP - The cup is the portion of the mouthpiece that lies just past the rim. It is also where the fleshy part of the lip resides and where the
is formed. Larger cup diameters allow the horn to more easily play louder volumes with control while smaller cups relieve fatigue and help compensate for weakened embouchure musculature. As the cup deepens the timbre of the sound tends to gain a dark quality, while shallow cups are more adept to brighter timbres.trumpet components
THROAT - The throat is the cylindrical portion of the mouthpiece just past the cup, before the backbore begins to flare outward. A wider throat allows for more air to pass through the horn and lessens the back pressure giving the horn a "free blowing" feel while a narrow throat allows the air to be more compressed for a higher velocity airstream.
BACKBORE - The backbore is the conical portion of the mouthpiece. Attributes of this portion are greatly dependent on the cup size, cup depth and throat dimensions and are usually chosen as a personal preference.