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How planar magnetic headphones explained In the past, dynamic drivers used a voice coil attached at the center of the dialephragm, which is conical. When an electrical signal is passed through the voice coil, it causes the diaphragm to move. However, the force exerted is limited to a tiny area, and it's hard for different points on the diaphragm to move at same time. This can lead to breakup patterns that can lead to distortion. Sound Detail Many audiophiles want an accurate sound from their headphones. This can be accomplished through the planar diaphragm. This type of headphone works in a similar manner to dynamic cone drivers, but with a much more modern technology. A planar diaphragm is a flat piece of material that is embedded within the frame of a headphone and is made of a fine and light material. It's made to be as uniform as is possible and its flat surface allows an uniform distribution of pressure across the whole surface which, in turn, enhances the clarity of sound. The flat design of a planar magnetic diaphragm allows for a more controlled soundstage. A more focused soundstage can be made possible by a narrower wavefront. This helps you identify where an instrument or vocal is situated on the track. This is a significant benefit over the more spherical wavefront typically of dynamic drivers. In contrast to traditional dynamic drivers, which make use of a voice coil attached near the center of a plastic or paper cone, a planar diaphragm uses magnets that are placed on both sides of its flat face. The electric current that flows through the voice coil interacts with these magnets to cause the diaphragm to vibrate and produce sound. The entire diaphragm is driven simultaneously. This removes breakup modes, mechanical filters, transmission delays, and local resonances, which can have a negative impact on the sound quality. A diaphragm with a flat and uniform shape can also be accelerated more quickly than the thicker and heavier ones used in dynamic drivers. According to the laws of physics, force is proportional mass and acceleration. This means that the greater the speed at which a driver's diaphragm is moved the more power they can exert. This results in planar magnetic drivers an more precise bass response as well as better detail retrieval. Of course, the advantages of the planar magnetic driver do not come without cost. They cost more than dynamic drivers because they feature a larger diaphragm and a complex motor. They also require a more powerful amplifier to work efficiently. However, many manufacturer of planar magnetic headphones can make the most of their technology to make high-quality headphones at a reasonable price. Some examples include the Audeze LCD-4 and HiFiMAN Susvara. High Sensitivity The planar driver differs from moving coil drivers, found in the majority of headphones and IEMs by using a flat diaphragm instead of a dome-shaped or cone-shaped membrane. When an electrical signal is passed through it, it interacts with magnets on both sides of the diaphragm. This creates sound waves by vibrating the diaphragm. The diaphragm that is flat is able to react quickly to sound and produce a broad range in frequencies from lows to highs. Planar magnetic headphones are more sensitive than other headphone drivers, which can use diaphragms up to several time larger than a typical planar design. This results in an exceptional quantity of clarity and dynamic range, allowing you to hear every detail that your music has to provide. Additionally that, planar magnetic drivers create a very uniform driving force across the entire diaphragm, which eliminates breakup points, and provides an uncluttered sound that is free of distortion. This is particularly important for high-frequency sounds in which the presence of breakups can be extremely audible and distracting. This is achieved in the FT5 by making use of polyimide, a material that is both ultralight and extremely durable, as well as a sophisticated design of conductors which eliminates distortion of intermodulation caused by inductance. The OPPO's planar magnetic driver also have better phase coherence, which means that when a wavefront strikes the ear canal, it is an unaltered, flat shape. Dynamic drivers however are spherical in their wavefront that disturbs this coherence and leads to poor signal peak reconstructions particularly at high frequencies. OPPO headphones sound incredibly natural and authentic. Wide Frequency Response A planar magnetic diaphragm has the ability to reproduce sounds at wider frequencies than conventional dynamic drivers, thanks to the fact that their diaphragm is thin and light in weight. is moved in a controlled manner. They can provide a high-quality transient response. This makes them a great option for audiophiles searching for speakers and headphones that reproduce the most precise details of music. This flat structure gives them a more even soundstage than regular headphones which employ a dynamic driver that is coiled. They are also less prone to leakage, which is the sound that escapes from headphone cups into the surrounding environment. In some instances, this can be a problem since it can distract the listener and make them lose their focus while listening to music. In some instances this could be a problem due to the fact that it can distract listeners and affect their concentration when listening to music. Rather than using a coil that sits behind a cone-shaped diaphragm, planar magnetic headphones have conductors that are printed on the extremely thin film of the diaphragm itself. This conductor is then suspended between two magnets, and when an electrical signal is applied to this array, it turns into electromagnetic and causes the magnetic forces on the opposite side of the diaphragm to interact each with each other. This is what causes the diaphragm to vibrate and create an audio wave. The smooth movement of the diaphragm, which is lightweight and the fact that force is evenly distributed across its surface which means distortion is incredibly low. This is a significant improvement over traditional dynamic drivers, that are known for causing distortion when you are listening. Some high-end headphones still use the old school moving coil design, however most HiFi audiophiles are adopting a long-forgotten technology and a new generation of amazing sounding planar magnetic headphones. Some of these models are incredibly expensive and require a high-end amplifier to power them however, for those who can afford them they offer an exceptional experience that is unlike any other headphone. They provide a rich and detailed sound without the distortion that comes with other types of headphones. Minimal Inertia As a result of their construction they are extremely light and move much more quickly than conventional drivers. This means that they reproduce audio signals more precisely and can be tuned for greater frequency ranges. They also provide an authentic sound with less distortion than traditional loudspeakers. The two rows of a planar magnet driver create an equal and uniform magnetic force across the entire diaphragm surface. This eliminates any unwanted and unnecessary distortion. Because the force on the diaphragm's lightweight is evenly distributed it is able to be controlled more precisely. This lets the diaphragm move with a precise pistonic movement. Planar magnetic drivers are also able to achieve very high levels of performance while carrying the smallest weight, making them ideal for portable headphones. Additionally, they can be designed to offer the widest range of frequencies, ranging from deep bass to high-frequency sounds. The high frequency response and the precise sound reproduction make them a popular choice among audio professionals. In contrast to dynamic drivers, which use coils to push against the diaphragm and vice versa, planar magnetic drivers have no mechanical components that could come into contact with one other and cause distortion. This is due to the fact that the flat array sits directly on the diaphragm's surface instead of in the form of a coil behind. A planar magnetic driver on the other hand can drive a thin and lightweight diaphragm by applying a tremendous magnetic force with no energy loss. The diaphragm, which is an extremely thin and lightweight membrane is driven by the magnetic field, which exerts a constant pressure. This stops it from deforming or creating distortion. The moment of inertia is a crucial property that describes an object's resistance to rotation. It is calculated using the formula I = mr2. An object's shape affects its minimum moment of inertia, with objects that are thinner and larger have less inertia moments than larger and thicker objects.