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Planar Magnetic Speakers Planar magnetic speakers utilize a flat diaphragm that converts an electrical signal into sound. They are known for accuracy, detail and low distortion. They also have a wide frequency response, making them easy to listen to. The diaphragms in dynamic drivers are significantly heavier and stiffer than those used in planar magnet speakers. This makes it difficult for them to move and accelerate quickly which can result in distortion of sound. They are simple to construct Many people believe that making planar magnetic speakers is a difficult task, but they are extremely easy to build. The key is to follow the instructions and build a well-engineered speaker. The result will be a sound system that is of top quality and will rival any model that is available commercially. Besides being easy to build these speakers provide superior sound quality over traditional dynamic drivers. They provide superior clarity as well as a larger dynamic range and controlled directivity which all make for an immersive listening experience. Planar magnetic speakers emit high-frequency, flat waves, unlike traditional loudspeakers that project sound in circular wavefronts. This enables them to reproduce sounds at very low frequencies, which would be difficult for conventional speakers to achieve. Their incredibly precise imaging brings music to life, making standard speakers sound sluggish in comparison. A planar magnetic drive produces sounds by using a thin sheet of metal suspended between two conductive plates. The audio signal flows through the panel, and it quickly changes between negative and positive. The magnetic array moves the panel's negative end forward and back and causes the diaphragm to move. The result is a great dynamic response and a wide soundfield with minimal distortion. One of the most important elements in a planar magnet speaker's performance is its maximum excursion, or how the speaker's movement can be measured before it starts to distort. It is typically measured at a particular frequency and at an output level. For example, if you are looking to hear a 20-Hz bass note, you'll need a speaker with an excursion of around 1 mm. A solid planar magnet driver should be able maintain the integrity of its structure while experiencing high excursion. It should be able to disperse heat efficiently and handle a large amount of power. To meet these goals, the voice coil of the speaker must be with sufficient thickness and size. In addition the voice coil should be wrapped in an electrically conductive material that can conduct electricity. They efficiently disperse heat. This is an essential aspect of any speaker, but especially one that is planar magnetic. The voicecoil is extremely close to the magnet array, and has an excellent flux density in the gap. Heat is generated by the voicecoil and must be emitted to avoid distortion and damage. The voicecoil has two methods to eliminate heat: convection and radiation. Radiation is preferred since it doesn't have the cone's pumping effect. However, it should be done with care and the design must handle the power that is applied. The first step is to make sure that the gap between your voicecoil array as well as the array is at least 1mm. This is vital, because the gap can create some very unpleasant distortion if larger than this. The gap must be large enough to allow the voicecoil to move freely without hitting the rear plate. The wide gap designs that are popular among manufacturers are not efficient and only work at low frequencies. A good way to determine the gap is to put a magnet over the gap and determine the resistance between the magnet and the voicecoil. The higher resistance, the less heat is dissipated, and the more likely it is to distort. The lower the resistance is, the more efficient and free of distortion the speaker will be. Planar magnetic speakers are able to reproduce the upper octaves of sound with amazing precision, however they can't reproduce the lower frequencies because they require a large diaphragm. Many planar magnetic speakers combine a woofer with a tweeter. This lets them be able to cover a larger frequency range, with less distortion. Planar magnetic drivers are well-known for their low distortion and great bass. The dipole design ensures that the drivers emit equal amounts of energy in both directions, with an inverted phase. This is an advantage over conventional drivers which can be subjected to mechanical distortion and strong Q resonances. They can handle a large deal of power The reality is that planar magnetic speakers can manage the power they require. This is due to the fact that the “voice coil” is spread across more space than in a traditional dynamic driver, which means it can distribute heat more efficiently. In addition, the diaphragm is thin and light, which aids to reduce distortion levels. It's important to remember that a planar magnetic speaker will still require an enormous amount of power to produce an excellent sound. They are sensitive to the way in which the room is configured because they aren't able to disperse their energy as traditional speakers. They also have directional characteristics which means that if you listen from just a few degrees away, the sound level can be significantly reduced. Another reason for their capacity to handle a lot of power is that they're inefficient. This is due to a much lower impedance than conventional drivers, meaning they need more power to achieve the same listening volume. In addition, they are susceptible to magnetic saturation, which can cause them to distort. The measurement of the maximum excursion of a planar magnet speaker is an excellent way to test its capacity to handle high power. This is the most distance that the diaphragm can travel before it starts to distort upon hitting the magnet array. The best planar magnetic speakers will reach an approximate distance of 1 mm before this occurs. Planar magnetic speakers also have a wider range of frequencies than cone drivers. This can be beneficial in certain circumstances. They can reproduce a larger amount of frequencies, which could enhance the quality of music and sound effects. This can make it easier to distinguish between instruments and vocals in songs. The most effective planar speakers reproduce a range of frequencies including bass frequencies. This can be a huge benefit for people who wish to enjoy music in a variety environments. These speakers are more expensive than conventional loudspeakers but they offer a unique and immersive experience. They're also a great option for home theater systems. They are directed When an electrical signal is applied on the conductive trace patterns the magnetic field causes diaphragm movement that produces sound waves. The movement is more precise and controlled compared to conventional cone drivers. This results in more frequency response. This allows planar speakers to reproduce more clarity and depth in the music. These diaphragms with flat sides can be constructed to be dipole (radiating equally in front and back like electrostatics and Maggies) or monopole (radiating only in the forward direction and more like traditional dynamic speakers). This flexibility lets designers choose from a variety of options when designing wall or built-in loudspeakers. They can deliver outstanding performance at a reasonable price. planar magnetic gaming headset of a planar magnet driver is typically constructed of a thin, light polymer, coated with a copper circuit that can conduct electricity. The diaphragm with a metal-laced coating is surrounded by arrays of magnets that are arranged in bars with a wide spacing. The magnetic bars create an extremely strong magnetic field that can draw and disperse air particles inside the diaphragm. The magnetic fields also aid to radiate heat away from the speaker without causing an audible strain on the voice coil. Planar magnetic speakers are more sensitive than cone speakers and are able to handle much power without overheating. They also have a low impedance that means they require less amplification in order to achieve the same listening quality. They are able to reproduce the entire range of audio frequencies, including bass and highs. They are often enhanced with subwoofers with boxed enclosures, which are able to reproduce low frequency sound with greater precision. One drawback of single-ended magnetic loudspeakers is their poor damping. This can result in high-Q resonances in the low frequency of the speaker's response, which can cause a coloration of the sound. This issue can be resolved through a hybrid design that combines the benefits of both planar and dipole technology. One of the most crucial elements that determine the performance of a planar magnetic speaker is the correct positioning in a room. This affects several aspects of sound, such as bass response imaging, soundstage depth and breadth. Toe-in can adversely affect the midrange and higher frequencies. Ideally, the speaker should be located at the point where the central image is at its thinnest.