Sofia Martinez
The clarinet is a woodwind instrument with a complex key system. The body of a clarinet is usually made of grenadilla wood or plastic, and has holes that can be covered or uncovered by the player's fingers or keys to change the pitch of the sound. Some clarinets have extra holes or keys to improve the sound of particular notes. The bass clarinet, for example, has keys to cover its larger holes. Student clarinets are typically made of plastic, while more expensive ones are made of wood.
| Characteristics | Values |
|---|---|
| Clarinet body material | Grenadilla wood or plastic, or other materials for specialty instruments, such as hard rubber, metal, etc. |
| Student clarinets material | Plastic |
| More expensive clarinets material | Wood |
| Clarinet structure | Upper joint and lower joint |
| Number of tone holes | 11 |
| Types of tone holes | Closed holes with keys, ring holes, and open holes |
| Function of tone holes | To change the pitch of the clarinet |
| Function of keys | To cover and uncover tone holes, thereby changing the pitch |
| Number of octaves | Approximately 4 |
| Parts of the clarinet | Register tube, thumb hole, bore, vent holes, tuning holes, etc. |
| Types of keys | Short and long levers, blocks, axes, tubes, ring keys, etc. |
| Purpose of keys | To make playing the clarinet easier than having to use fingers to cover all holes |
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What You'll Learn
Plastic clarinets have tone holes and keys
Plastic clarinets, like those made from other materials, have tone holes and keys. The tone holes on a clarinet are cut into the body of the instrument, and the player can cover and uncover them with their fingers or by pressing keys, which are small, round padded metal rings, covers, or levers mounted on metal rods. This action changes the pitch of the note being played by altering the resonant properties of the enclosed air being blown into the clarinet.
There are three types of tone holes on a clarinet: those with closed keys, those with ring keys, and those that are just open holes. Closed keys have beveled edges, which help the pads to seal the holes properly. Tone holes with ring keys have small "chimneys," and some have plastic or hard rubber inserts, which are said to give a brighter sound and are less likely to crack or deform. Other clarinets have integral tone holes, meaning that the tone holes and the joint they are in are the same piece of wood. Some clarinets also have extra vent holes to make particular notes sound better or more in tune.
The keys on a clarinet are part of a complex system that also includes short and long levers, blocks, axes, and tubes that move the keys. The keys work by covering the tone holes to create an airtight seal, which is necessary to produce a full and accurate pitch. If the holes are not covered properly, air can escape, and the player may experience squeaking. Beginners often struggle to cover all the ring keys completely, and this can be challenging, especially when different combinations of keys are used together.
Some have suggested that clarinet manufacturers should produce clarinets with keys/pads that cover the holes, similar to a saxophone. However, this is not standard, and it is rare to see a clarinet with pads on all holes. These clarinets are called plateaued clarinets, and they are relatively expensive and rare. While they can be useful for players with physical disabilities or hypermobile fingers, they are not recommended for beginners, as they can encourage bad habits of finger placement.
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Closed keys, ring keys, and open holes
Clarinets have three kinds of tone holes: some have closed keys, some have ring keys, and some are just open holes. The tone holes that have closed keys are slightly recessed and have beveled edges, which helps the pads to seal the holes properly. The tone holes with rings have small "chimneys". On some clarinets, these tone holes have plastic or hard rubber inserts that are said to give a brighter sound and are less likely to crack or deform.
Closed-hole clarinets, also known as plateau clarinets, are relatively rare and expensive. They are harder to adjust and keep in adjustment than the standard open-hole Boehm design. Closed-hole clarinets are also more complex and harder to play, as they require exact finger placement. However, they can eliminate the squeaks that are common among clarinetists due to not covering the holes well. Closed-hole flutes are also known as plateau flutes and are the standard for student model flutes. They are easier for younger students with smaller hands to use, as their fingers can more easily stretch to cover the holes.
Open-hole clarinets offer more grip flexibility and enable numerous additional grips and effects like glissando, multiphonics, and microintervals. They are also lighter than closed-hole clarinets, which may reduce strain on the wrists and shoulders and improve the overall resonance of the instrument. However, they demand more precise finger technique, which can benefit accurate playing.
Some clarinets have extra holes, known as vent or resonance holes, to make particular notes sound better or more in tune. These holes may be open or have keys.
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Plastic clarinets have levers and keys
Plastic clarinets, like those made from other materials, have levers and keys. The clarinet's complex key system is one of the first things that differentiates it from a modern recorder. The clarinet's keys are small, round padded metal rings, covers, or levers that are mounted on metal rods. They are used to cover and uncover the tone holes on the side of the clarinet, allowing the player to change the pitch of the note being played.
The player can adjust the pitch of the note being blown by pressing different combinations of keys. The clarinet has an approximate four-octave range, and more advanced players can go even higher. The upper joint of the clarinet, where each note's pitch is determined, and the lower joint, which is played with the right hand, come together to form the body of the clarinet. This is where the tuning holes and delicate key apparatus are located.
The clarinet has three types of tone holes: those with closed keys, those with ring keys, and those that are simply open holes. The tone holes with closed keys are slightly recessed and have beveled edges, which help the pads seal the holes properly. The tone holes with rings have small "chimneys," and on some clarinets, these tone holes have plastic or hard rubber inserts that are said to give a brighter sound and are less likely to crack or deform. Other instruments have integral tone holes, meaning that the tone holes and the joint they are in are the same piece of wood.
Some clarinets have extra holes, known as vent or resonance holes, to make particular notes sound better or more in tune. These holes may be open or have keys. Most quality clarinets come in both 440Hz and 442Hz versions, and some even in a 444Hz tuning. For each tuning, the tone holes are distributed along the clarinet slightly differently.
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Plastic clarinets have vent holes
The design of the clarinet, with its combination of holes and keys, contributes to its complex appearance and sets it apart from simpler instruments like the soprano recorder, which has no keys and only eight tone holes. The clarinet's keys and tone holes allow for a wider range of musical expression and the production of various notes beyond a simple scale.
The plastic clarinet's vent holes play a crucial role in altering the resonant properties of the enclosed air being blown into the instrument. When a player covers or uncovers a hole, it changes the airflow and results in different pitches or notes. A tight seal created by the fingertips or pads on the keys is essential to produce a clear and accurate pitch, as any escaping air can cause unwanted squeaks.
Some clarinets also feature extra vent holes or resonance holes, which can be open or have keys. These additional holes enhance the instrument's ability to produce specific notes that sound better or more in tune. The placement and design of these holes are carefully considered by manufacturers to ensure the clarinet's overall mechanical reliability and musical advantage.
While plastic is commonly used for student clarinets, more expensive clarinets are often made from wood, such as grenadilla wood. Some companies even offer a combination of materials, with wooden clarinets featuring a plastic bell. The choice of material, along with the presence of vent holes and keys, contributes to the unique characteristics and sound of each clarinet.
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Plastic clarinets have undercut tone holes
Clarinets are typically made of grenadilla wood or plastic, with student clarinets usually made of plastic and more expensive ones made of wood. Some companies offer a hybrid solution, with wooden clarinets that have a plastic bell.
The clarinet has an approximate four-octave range, and the pitch can be adjusted by pressing different combinations of keys. The holes and keys of the lower joint are typically played with the right hand, while the upper joint is where each note's pitch is determined. The upper and lower joints come together to form the body of the clarinet, and it is on these sections that the tuning holes and delicate key apparatus are located.
Clarinets have three kinds of tone holes: some have closed keys, some have ring keys, and some are just open holes. The tone holes with closed keys are slightly recessed and have beveled edges, which helps the pads to seal the holes properly. The tone holes with rings have small "chimneys," and on some clarinets, these have plastic or hard rubber inserts, which are said to give a brighter sound and be less likely to crack or deform. Other instruments have integral tone holes, meaning that the tone holes and the joint they are in are the same piece of wood.
Most clarinets have undercut tone holes, which means that every tone hole gets slightly larger at the bottom. This is accomplished by using a tool to undercut the tone holes, which repairmen have been asked to do to improve the tone, response, and clarity of many of the notes on the clarinet. This is already standard on many French-manufactured clarinets.
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Frequently asked questions
Plastic clarinets have both holes and keys. The player covers and uncovers different sets of holes using keys to produce all the tones of the scale while blowing air through the clarinet.
Clarinets have three kinds of tone holes: some have closed keys, some have ring keys, and some are just open holes.
Clarinets with all holes covered by keys, known as plateaued clarinets, are relatively rare and expensive. They are also harder to adjust and keep in adjustment.
