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How Do Magnet Planar Headphones Work? If you've never tried a pair of headphones that use magnetic drivers that planar, it may be difficult to get your mind around how they work. In contrast to the voicecoil actuator which drives a stiff cone back and forward, planar magnetic drivers employ two flat magnets sandwiching thin diaphragms that is printed with conductors. The Diaphragm In contrast to a traditional dynamic headphone driver with dome or cone shaped diaphragms, a magnet planar has a flat piece of flexible film. The film is dotted with conductors on it that interact with magnets placed on either side of the diaphragm. The diaphragm moves and reacts when the magnetic field created by these magnets gets triggered by the electrical signal that runs through the wires. The movement produces sound waves that you then hear. The human diaphragm is a dome-shaped membranous muscular structure 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 even parturition. The diaphragm also is essential for expulsive actions, including the act of urinating and bowel movements and pushing out the fetus during birth. Due to the ultra-light and thin design of the diaphragm of a planar magnetic it is more flexible to changes in audio signal than dynamic drivers. Planar magnetic headphones produce more delicate and precise sound than dynamic drivers. One of the disadvantages of planar magnetic headphones is that they tend to have a bit more leakage than their dynamic counterparts, particularly at higher volumes. This is due to the movement of the magnet planar headphones diaphragm, which causes some audio to be pushed towards the listener. It's not a big issue if you use headphones only in quiet settings or to watch films. But it can be annoying for public or active listening use. There are several options to limit the amount of leakage. They include the Audeze LCD-4 and HiFiMAN Sundara. In addition, some brands like Wisdom Audio are at the forefront of advancing PMD technology and have been working hard to resolve the issues associated from this kind of headphone. They have developed a number of patents that you can see on their products. For instance, their latest planar winding based on flex circuits overcomes the limitations of stamped copper windings, giving them a better utilization factor. The Conductors Conductors are what connect the diaphragm and the magnets and are responsible for producing the sound you hear. They are typically made of a mixture of aluminum and copper. They are then wrapped around a central magnetic core, which is enclosed by a diaphragm and is supported by the frame of the headphone. The magnetic core is a circular form of magnetic element and can be constructed from any material, but it is usually made by using Neodymium. The core is the central element of any planar sound driver. It is comprised of nested layers and a circular helix of 10-20mm in diameter. Planar magnetic drivers have the benefit of a larger soundstage than their more dynamic counterparts. what are planar magnetic drivers is because the entire diaphragm vibrates whenever an audio signal is received, instead of just a small area that is connected to the voice coil. This greater surface area results in lower distortion levels, particularly when the volume is higher. The ability of a magnet planar to react quickly to changes in the audio signals is another important characteristic. This makes it easier to reproduce a wide range of frequencies and produces a more detailed and realistic sound. This is a great attribute for audiophiles who love music with many different instruments and vocals. Additionally, the stacked design of a planar magnet reduces part-to-part variation and is perfect for mission-critical applications that require high-reliability. As compared to wirewound magnetics, these offer greater consistency, with less magnetic field distortion, which is vital to the performance of any electronic device. The Magnets A magnet is a material that exhibits magnetic properties. It can create an attractive or a repulsive force on certain materials such as nickel, iron cobalt, and some steels. It also attracts and repel certain electrical conductors. This phenomenon is referred to as magnetism. It is produced by electromagnets, permanent or temporary magnets. Magnets can be utilized in a wide range of applications and can be found in many different types of electronic devices such as headphones mobile phones, laptop computers and car audio systems. Planar magnetic driver technology, unlike traditional balanced armature or dynamic drivers that push an extremely rigid and stiff diaphragm by using an electric voice coil to create the sound wavefront, uses an extremely thin and flexible diaphragm. The diaphragm oscillates and creates a flat wavefront instead of a spherical focused one, as is common in most headphones and speaker. This results in a larger and cleaner soundstage, and is also recognized for its deep bass. The primary disadvantage of planar magnetic drivers is that they require quite a bit of power to move the massive magnets inside making them more bulky and heavier than other kinds of headphone drivers. Many planar magnetic drivers require an amplifier in order to function properly. This amplifier must be designed to match the output power of the planar magnetic driver in order to provide the optimal listening experience. The amplifier must also have an impedance that is high at the input to allow it to operate the planar magnet driver to its maximum output. The planar magnetic drive is generally constructed as a dipole, which radiates equally and in opposing phases in front and behind the speaker (like ESLs) or a monopole that emits only in the forward direction (more like traditional headphones). The most popular design of a planar magnetic driver is a bipole with rotating poles on the south and north. Its shape makes it easy to fabricate as a single piece of steel and is extremely efficient in producing a strong field in the center of the faceplate. Due to their size and efficiency, planar magnetic drivers have a lower distortion than other types of headphone drives. They are used in premium headphone systems where sonic precision is important. They are also used in audio equipment for professionals such as loudspeakers and microphones. Due to their unique construction they are also ideal for medical imaging and other sensitive applications that require a high degree of precision. The Seal For planar drivers to perform optimally, they must be sealed in a tight and precise manner. A small leak can dramatically reduce sound performance and even cause distortion. It takes an enormous amount of effort to create the right seal for planar driver. Contrary to many headphone designs the planar magnetic headphones should not have any gaps within the enclosure of the acoustic. This is because gaps cause the diaphragm to resonate at multiple frequencies simultaneously. This is referred to as crosstalk, and it can cause the overall sound quality to be affected. The most popular type of seal for planar headphones is the rubber ring seal. This seal is very effective at preventing air leaks. It is also very durable, and can last for a long time. It is important to keep in mind that this type seal can sometimes create a hollow sound. It is therefore crucial to select a high-quality rubber seal if you're contemplating using an earphone with a planar magnetic design. The liquid crystal display (LCD), seal is another option for a magnetic planar driver. It is a specialized seal that prevents gaps from forming. It is also designed to withstand a significant amount of pressure. It is a great option for audiophiles who want high-quality sound quality. One benefit of LCD headphones is that they can offer an extremely clear and detailed sound. This is especially the case with high-end models like the Audeze LCD-4 and HiFiMAN Susvara. It is possible to find LCD headphones with a similar sound at a lower price. It is also important to know that a planar magnetic headphone can create a higher sound pressure than standard dynamic headphones. This is because of the way they are built. Planar magnetic headphones are different from dynamic headphones since they are equipped with two magnets that pull against the diaphragm. This can create an enormous force that can create extremely high frequencies. Planar magnetic drivers, a new technology on the world of headphones are an innovative product. They are beginning to change the way people listen to music. In addition to their high-quality sound they are also very comfortable to wear and easy to adjust.