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How Do Magnet Planar Headphones Work? It might be difficult to comprehend the workings of planar magnetic drivers in case you've never worked with a pair. Planar magnetic drivers employ two flat magnets which are sandwiched in a thin diaphragm and conductors. This is different from the voicecoil motor, which pushes a stiff cone back and back and forth. Diaphragm In contrast to a traditional dynamic headphone driver with a cone or dome shaped diaphragms, a magnet planar has a flat piece of flexible film. The film is etched with conductors that react to magnets on across the membrane. The diaphragm is able to react and move when the magnetic field generated by these magnets is stimulated by the electrical signal running through the wires. This movement creates sound waves that are then heard by you. The diaphragm of the human body is a dome-shaped muscular membrane that separates the thoracic (chest), and abdominal cavities. It is the main respiration muscle and is involved in inspiratory actions (exhaling air), such as breathing or coughing, sneezing crying, laughing, vomiting, and parturition. The diaphragm also is essential for expulsive actions, such as defecating and urinating as well as pushing out the fetus during delivery. A planar magnetic diaphragm is much more sensitive to changes in audio signals than dynamic drivers due to its light weight and thinness. Planar magnetic headphones provide more delicate and precise sound than dynamic drivers. One of the disadvantages of planar magnetic headphones is that they tend to have a little more leakage than their dynamic counterparts, particularly at higher volumes. This is due to the motion of the diaphragm within a magnet planar headphone causes a portion of the audio to be pushed further outwards and then towards the listener. This is not an issue if you use headphones in quiet settings or while watching films however, it can be a hassle for active listening and public usage. Thankfully, there are some very good options available to limit the amount of leakage, like the Audeze LCD-4 or HiFiMAN Sundara. Wisdom Audio, for example, is a pioneer in the development of PMD technology. They have put in a lot of effort to solve the issues associated that arise with this type of headphone. This is why they have patents on numerous innovations that you can see in their products. For instance, their latest flex circuit-based planar winding overcomes the limitations of stamped copper windings to give them a better utilization factor. The Conductors The conductors are what connects the magnets to the diaphragm and are responsible for producing the sound you hear. They are typically made from a combination of copper and aluminum. They are then wrapped around the central magnetic core which is enclosed by a diaphragm and is supported by the frame of the headphone. The magnetic core may be made from any material, but the most common is Neodymium. The core is the central element of any planar magnetic audio driver. It is made up of a series of nested layers of a circular helix with a diameter of 10-20mm. One of the main advantages of planar magnetic drivers is that they create an incredibly wide soundstage compared to their dynamic counterparts. This is due to the fact that when an audio signal is received at a certain frequency, the entire diaphragm is vibrating instead of just the tiny area attached to the voice coil. This larger surface area also results in lower distortion levels, especially at higher volumes. The ability of a magnet plane to quickly react to changes in the audio signals is another important feature. This makes it easier to reproduce a variety of frequencies, and also produces a more detailed and realistic sound. This is an excellent feature for audiophiles who love music that includes a variety of instruments and vocals. Additionally, the stacked structure of a planar magnet ic decreases part-to-part variability and is ideal for mission critical applications that require high-reliability. They offer better consistency and lower magnetic field distortion in comparison to wirewound magnets. This is essential to the efficiency of electronic devices. The Magnets As its name implies, a magnet is a material that possesses magnetic properties. It can exert an attractive or repulsive force on certain materials, such as nickel, iron cobalt and a few steels. It can also attract and repel certain electrical conductors. This phenomenon is referred to as magnetism. It is created in permanent, temporary or electromagnets. Magnets can be utilized in a myriad of applications and are used in many different types of devices, including electronic devices like headphones laptop computers, mobile phones and car audio systems. Planar magnetic driver technology, unlike traditional dynamic drivers or balanced armatures that push a stiff, rigid diaphragm using the voice coil to produce the sound wavefront, utilizes a thin and flexible diaphragm. The diaphragm oscillates and creates a flat sound wavefront rather than a focused spherical one, as is common in the majority of headphones and speakers. This produces a much more spacious and cleaner soundstage and is well-known for its deep bass. The main drawback of planar magnetic drivers is that they require quite a bit of power to move the large magnets inside which makes them heavier and heavier than other kinds of headphone drivers. Many planar magnetic drivers require an amplifier in order to function correctly. The amplifier must be constructed to match the power output of a planar magnetic driver order to give the best listening experience. The amplifier should also have a high input impedance in order to operate the planar magnet driver at its maximum output. The planar magnetic driver is typically designed to be a dipole (radiating equally and in a different phase in front and behind the speaker, similar to ESLs) or a Monopole (radiating only in the direction of forward similar to traditional headphones). The most popular design of a planar magnetic driver is a bipole with two poles that alternate on the south and north. Its shape makes it easy to build as one piece of metal and is extremely efficient in creating a strong field in the center of the faceplate. Planar magnetic drivers are more efficient and have a lower distortion factor because of their size. They are utilized in premium headphone systems where sonic precision is important. You can also find them in audio equipment that is professional, such as microphones and speakers. They are also suitable for medical imaging, and other sensitive applications that require high-precision. The Seal To be effective for optimal performance, planar drivers need to be sealed extremely securely and precisely. A small leak could cause a significant change in the quality of sound and may cause distortion. It requires a lot of effort to make the perfect seal for the planar driver. Unlike many conventional headphone designs that are used, planar magnetic headphones should not have any gaps within the enclosure of the acoustic. This is because gaps will cause the diaphragm to resonate with different frequencies at the same time. The problem of crosstalk can impact the sound quality. The most popular type of seal for planar headphones is the rubber ring seal. This seal is able to stop air leaks extremely effectively. It is also extremely robust and lasts for a long time. However it is essential to remember that this type of seal can occasionally produce hollow sounds. It is therefore crucial to choose a high-quality rubber seal if you're contemplating using the planar magnetic headphone. Another alternative for a planar magnetic driver is the liquid crystal display (LCD) seal. This is a more advanced type of seal designed to prevent the formation of gaps. It can also be able to withstand pressures of a considerable amount. This makes it an excellent choice for audiophiles who are looking for the highest audio quality. LCD headphones can give a clear and precise sound. This is especially the case for headphones that are high-end, like the Audeze LCD-4 and HiFiMAN Susvara. It is possible to find LCD headphones with a similar audio quality at a lower cost. It is also important to note that a planar magnetic headphone will generate a greater volume of sound than traditional dynamic headphones. The way they are constructed is the main reason. Planar magnetic headphones are different from dynamic headphones in that they have two magnets that pull against the diaphragm. This can result in a strong force that can generate very high frequencies. Planar magnetic drivers are a relatively new technology in the headphone industry. They have already begun to revolutionize the way that listeners enjoy music. In addition to their high-quality sound, these headphones are also extremely comfortable to wear and easy to adjust.