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How Do Magnet Planar Headphones Work?

It might be difficult for you to comprehend how planar magnetic drivers function even if you've never used a pair. Planar magnetic drivers employ two flat magnets that are sandwiched between thin diaphragms with conductors. This differs from the voicecoil actuator which drives a stiff cone back and forth.

The Diaphragm

Unlike a traditional dynamic headphone driver, which has dome or cone shaped diaphragms, a magnet planar has a flat piece of flexible film. The film is coated with conductors that react to magnets that are placed on between the two sides of the membrane. The diaphragm moves and reacts when the magnetic field created by these magnets is triggered by the electrical signal that runs through the wires. This movement creates soundwaves that you can then hear.

The diaphragm in the human body is a dome-shaped muscular membrane that divides the thoracic (chest) and abdominal cavities. It is the primary respiration muscle and is involved in the process of inspiratory action (exhaling air) like breathing and coughing, sneezing, crying, laughing vomiting, and even parturition. The diaphragm also plays part in expulsive actions, such as urinating or defecating, and pushing out the fetus during delivery.

Due to the ultra-light and thin structure of a planar diaphragm, it is much more responsive to changes in the audio signal than dynamic drivers. This gives planar magnetic headphones an audio that is more delicate and precise than that you get from dynamic drivers.

One of the downsides of planar magnetic headphones is that they are likely to have a little more leakage than their dynamic counterparts, especially at higher volume. This is due to the movement of the diaphragm in a magnet planar headphone causes some of the audio to be pushed outwards and toward the listener.

It's not a huge issue if you use headphones only in quiet settings or to watch films. But it can be annoying for active listening or public usage. There are a few alternatives that can help limit the amount of leakage. They include the Audeze LCD-4 and HiFiMAN Sundara. Additionally, certain brands like Wisdom Audio are at the forefront of the development of PMD technology and have been working hard to address the issues that come with this style of headphone. This is why they have patented several innovations that you can observe in their products. Their new flex-circuit-based planar wounding overcomes the limitations stamped copper windings must overcome to give a greater utilization rate.

The Conductors

The conductors are what connects the magnets to the diaphragm and they are the ones responsible for creating the sound you hear. These are usually made from a mixture 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 can be constructed from any type of material, but the most common is Neodymium. The core is the main component of any planar magnetic audio driver and consists of several nested layers of the form of a circular helix having a diameter of 10-20mm.

Planar magnetic drivers have the benefit of a larger soundstage than their more 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 the tiny space that is connected to the voice coil. how do planar magnetic headphones work in lower distortion levels especially at higher volume.

Another important aspect of a magnet planear is its ability to react quickly to the changes in the audio signal. This allows it to reproduce a wide range of frequencies and creates more realistic and detailed sound. Audiophiles who love music with a variety of instruments and vocals will appreciate this feature.

Furthermore, the stacked design of a planar magnetic decreases the variability of parts and is suitable for mission-critical applications that require high reliability. As compared 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 material with magnetic properties. It can draw attention or repel force on certain materials, such as iron and nickel. It also can attract or repel electrical conductors. This phenomenon is known as magnetism. It is produced in permanent, temporary or electromagnets. Magnets are used in many applications, such as electronic devices such as mobile phones, headphones and laptop computers.


Planar magnetic driver technology, in contrast to traditional balanced armature or dynamic drivers that push an extremely rigid and stiff diaphragm using an electric voice coil to create the sound wavefront, employs an extremely thin and flexible diaphragm. The diaphragm is vibrating and creates a flat wavefront instead of a spherical focused one, as is common in the majority of headphones and speakers. This creates a larger and more expansive soundstage and is well-known for its deep bass.

The primary disadvantage of planar magnetic drivers is that they require quite a bit of power to move the large magnets inside them making them more bulky and heavier than other types of headphone drivers. Therefore, a lot of planar magnetic drivers require a separate power amplifier to function correctly.

The amplifier must be constructed so that it matches the power output of a planar magnetic driver order to provide an optimal listening experience. In addition the amplifier should have a high enough input impedance to be able to drive the planar magnetic driver to its maximum output frequency.

The planar magnetic driver is usually designed to be either a dipole (radiating equally and in opposite phase in front and behind the speaker, like ESLs) or a Monopole (radiating only in the direction of the forward and more like 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 one piece of metal and is very effective in producing a strong field in the center of the faceplate.

Planar magnetic drivers are more efficient and have a smaller distortion factor because of their size. They are commonly used in high-end headphone systems where sonic precision is important. They can also be found in audio equipment that is designed for professional use, such as loudspeakers and microphones. Because of their unique construction they are also suited for medical imaging and other sensitive applications that require a high degree of precision.

The Seal

To function properly, planar drivers must be sealed very well 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 design the ideal seal for planar driver.

In contrast to the majority of conventional headphone designs the planar magnetic headphones should not have gaps in the enclosure of the acoustic. This is because gaps cause the diaphragm to resonate at multiple frequencies at the same time. Crosstalk is a problem that can affect the sound quality.

The most common type of seal for planar headphones is the rubber ring seal. This seal is very effective at preventing air leaks. It is also very robust and lasts for a long period of time. However, it is important to be aware that this kind of seal may sometimes create an unnatural sound. If you plan to use a planar magnetic headphone, be sure to select a high-quality seal.

The liquid crystal display (LCD), seal is a different alternative for a magnetic planar driver. It is a specialized seal that is designed to stop gaps from creating. It's also designed to withstand a significant amount of pressure. This makes it a good option for audiophiles seeking the best sound quality.

One advantage of LCD headphones is that they can provide a very 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 that have the same audio quality at a lower cost.

It is important to remember that planar magnetic headphones can generate more sound pressure than dynamic headphones. The way they are built is the reason. Unlike dynamic headphones, planar magnetic headphones have two magnets that push on the diaphragm. This can result in a strong force that generates high frequencies.

Planar magnetic drivers, a new technology on the headphone market are an innovative product. However, they have already begun to revolutionize how people listen to music. In addition to their high-fidelity sound they are also extremely comfortable to wear and easy to adjust.

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