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How Do Magnet Planar Headphones Work? If you've never tried a pair of headphones that utilize magnetic drivers that planar, it may be difficult to get your head around the way they work. Planar magnetic drivers employ two flat magnets that sandwich a thin diaphragm and conductors. This differs from the voicecoil motor, which drives a stiff cone back and forth. Diaphragm Magnet planars are flat pieces made of flexible film, which is different from traditional dynamic headphone drivers, which have cone or dome-shaped diaphragm. The film is dotted with conductors on it that interact with magnets that are placed on either side of the diaphragm. When the electrical signal passing through these wires changes, the magnetic field created by the magnets causes the diaphragm to react and move. This motion creates sound waves that can be heard by you. The human diaphragm is a dome-shaped muscle membranous structure that separates the thoracic (chest) and abdominal cavities. It is the primary respiratory muscle, and is responsible for inspiratory actions such as breathing as well as coughing and sneezing, laughing and crying vomiting, and parturition. The diaphragm is also vital for expulsive actions, such as defecating and urinating as well as pushing out the fetus during birth. A planar magnetic diaphragm can be more sensitive to changes in audio signals than dynamic drivers due to its light weight and thinness. This results in planar magnetic headphones an audio that is more delicate and precise than the sound you get from a dynamic driver. One of the downsides of planar magnet headphones is that, at higher volume, they can leak more than their dynamic counterparts. This is due to the movement of the magnetic planar headphones diaphragm that causes some audio to be pushed toward the listener. It is not a big deal if you use headphones in quiet areas or to watch films. But it can be annoying when you are listening to music or in public usage. There are a few options that can reduce the amount of leakage. They include the Audeze LCD-4 and HiFiMAN Sundara. Additionally, certain brands such as Wisdom Audio are at the forefront of developing PMD technology and have been working hard to resolve the issues associated with this style of headphone. They have patented many innovations that can be seen on their products. Their flex-circuit-based planar-winding technology overcomes the limitations stamped copper windings have to provide a higher utilization rate. The Conductors The conductors connect the diaphragm to the magnets, and they are responsible for the sound you hear. These are usually made from an amalgamation of aluminum and copper. The diaphragm is then wrapped around the magnetic core. It is then supported by the headphone's frame. The magnetic core is a cylindrical shaped magnetic element and can be made of any material, but it is most commonly produced with Neodymium. The core is the central element of any planar sound driver. It consists of nested layers with an elongated helix that is 10-20mm in diameter. One of the main advantages of planar magnetic drivers is that they create an even larger soundstage than their dynamic counterparts. This is because the entire diaphragm vibrates whenever an audio signal is received, instead of a tiny portion that is attached to the voice coil. This larger surface area results in lower distortion levels, particularly at higher volume. Another key aspect of a magnet planear is its ability to react quickly to the changes in the audio signal. This allows for a greater range of frequencies to be reproduced, and a more realistic sound. Audiophiles who love music with different instruments and vocals will appreciate this feature. Additionally, the stacked structure of a planar magnetic reduces part-to-part variability and is ideal for mission-critical applications that require high-reliability. In comparison to wirewound magnetics greater consistency, with less magnetic field distortion, which is essential for the success of any electronic device. The Magnets A magnet is a substance that exhibits magnetic properties. It can draw attention or repel force on certain materials, such as iron and nickel. It also has the ability to attract or repel electrical conductors. This phenomenon is called magnetism. It can be created by electromagnets, permanent or temporary magnets. Magnets are used in many applications, such as electronic devices such as headphones, mobile phones and laptop computers. Planar magnetic driver technology, unlike traditional balanced armature or dynamic drivers that push a stiff, rigid diaphragm with a voice coil to create the sound wavefront, utilizes a thin and flexible diaphragm. The diaphragm is vibrating and creates a flat sound wavefront instead of a spherical focused one, which is the norm in the majority of headphones and speakers. This creates a cleaner and more spacious soundstage, and is recognized for its rich bass. The biggest disadvantage of planar magnetic drivers is that they require quite a lot of power to move the huge magnets inside, which makes them bulkier and heavier than other kinds of headphone drivers. Many planar magnetic drivers require an amplifier in order to function effectively. The amplifier must be designed to match the power output of a planar magnetic driver in order to offer the best listening experience. Additionally, the amplifier must have a sufficient input impedance to be able to drive the planar magnetic driver to its maximum output frequency. The planar magnetic driver is typically designed to be a dipole (radiating equally and in a different phase between the front and back of the speaker, as ESLs do) or a Monopole (radiating only in the forward direction similar to traditional headphones). The most commonly used model is a bipole, with one north and one south pole. Its shape makes it easy to build as a single piece of steel and is very efficient at producing a strong field in the center of the faceplate. Planar magnetic drivers are more efficient and have a lower distortion due to their dimensions. This is why they are often employed in headphones with high-end features where sound quality is crucial. 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 applications that require high precision. The Seal For planar drivers to perform effectively, they must be sealed in a very precise and tight manner. A small leak can greatly impact sound quality and cause distortion. It requires an enormous amount of effort to design the ideal seal for planar driver. In contrast to the majority of conventional headphone designs the planar magnetic headphones should not have any gaps in the enclosure of the acoustic. This is because gaps cause the diaphragm to resonate with multiple frequencies at the same time. Crosstalk is a problem that can impact the sound quality. Rubber ring seals are the most popular type of seal used for headphones that are planar. This seal can stop air leaks extremely effectively. It is also very robust and lasts for an extended period of time. It is important to keep in mind that this type seal can sometimes produce an unnatural sound. If you're planning to use a planar magnetic headphone, be sure to select a high-quality seal. The liquid crystal display (LCD), seal is a different option for a magnetic planar driver. This is an advanced seal that prevents gaps from developing. It can also withstand a lot of pressure. This makes it an excellent option for audiophiles looking for a premium sound quality. LCD headphones can provide clear and precise sound. This is especially the case for headphones that are high-end, such as the Audeze LCD-4 and HiFiMAN Susvara. However, it is also possible to find low-cost LCD headphones that provide similar audio quality. It is also important to know that the planar magnetic headphone may create a higher sound pressure than standard dynamic headphones. The way they are built is the reason. magnetic planar speakers to dynamic headphones magnetic headphones have two opposing magnets that pull on the diaphragm. This can create a powerful force that can generate extremely high frequencies. Planar magnetic drivers are relatively new technology in the headphone industry. They have already begun to revolutionize the way that people listen to music. In addition to their high-fidelity audio these headphones are extremely comfortable to wear and are easy to adjust.