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How Do Magnet Planar Headphones Work?

It could be difficult for you to understand the workings of planar magnetic drivers if you have never used the two. In contrast to the voicecoil actuator which drives a stiff cone back and back using a cone, magnet planar planar magnetic drivers utilize two flat magnets that are sandwiched between a thin diaphragm made of conductors.

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 coated with conductors that react to magnets that are placed on either side of the membrane. 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 are then heard by you.

The diaphragm of the human body 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, like breathing, sneezing and coughing, laughing and crying, vomiting and parturition. The diaphragm is also part in expulsive actions like urination, defecating and pushing out the fetus at delivery.

A planar magnetic diaphragm is more sensitive to changes in audio signals than dynamic drivers because of its ultra-lightweight and thinness. Planar magnetic headphones provide more delicate, precise sound than dynamic drivers.

One of the disadvantages of planar magnetic headphones is that they can have a little more leakage than their dynamic counterparts, especially at higher volumes. This is due to the movement of the diaphragm in a planar magnetic headphone causes some of the audio to be pushed further outwards and then towards the listener.

It is not a big issue if you are using headphones only in quiet settings or to watch movies. However, it can be irritating for active listening or public usage. There are, however, excellent options for reducing the amount of leakage, like the Audeze LCD-4 or HiFiMAN Sundara. Wisdom Audio, for example, is a leader in the development of PMD technology. They have worked hard to solve the issues associated that arise with this type of headphone. This is the reason they have patented numerous innovations that you can see in their products. For instance, their latest planar winding based on flex circuits overcomes the limitations of stamped copper windings and gives them a better utilization factor.

The Conductors

Conductors are what connect the magnets to the diaphragm and they're responsible for generating the sound that you hear. They are usually made of a mixture of aluminum and copper. These are then wound around an underlying magnetic core which is enclosed by the diaphragm and supported by the frame of the headphone. The magnetic core can be made of any material, but the most common is Neodymium. The core is the primary component of any planar audio driver. It is made up of nested layers and an elongated helix that is 10-20mm in diameter.

A key advantage of planar magnetic drivers is that they produce a much wider soundstage than their dynamic counterparts. This is because when an audio signal arrives at a certain frequency, the entire diaphragm is vibrating instead of just the tiny area attached to the voice coil. This greater surface area results in lower distortion levels, particularly at higher volumes.

Another important aspect of a magnet planear is its ability to respond quickly to the changes in the audio signal. This enables a wider range of frequencies to be reproduced, as well as a more authentic sound. This is a fantastic feature for audiophiles who love music that incorporates a variety of instruments and vocals.

The stacking design of planar magnets reduces the variation between parts which makes them ideal for critical applications that require a high reliability. They offer better consistency and lower distortion in the magnetic field when as compared to wirewound magnetics. This is crucial for the performance of electronic devices.

The Magnets

A magnet is a substance that has magnetic properties. It can exert an attraction or repelling force on certain materials, like nickel and iron. It can also attract or repel certain electrical conductors. This phenomenon is referred to as magnetism. It can be created in permanent, temporary or electromagnets. Magnets are employed in a variety of applications, including electronic devices such as mobile phones, headphones, and laptop computers.

Planar magnetic driver technology, in contrast to traditional dynamic or balanced armature drivers that push a rigid, stiff diaphragm using a voice coil to create the sound wavefront, uses a thin and flexible diaphragm. The diaphragm oscillates and creates a flat wavefront instead of a spherical focused one, as is typical in the majority of headphones and speakers. This creates a much cleaner and spacious soundstage and is recognized for its rich bass.

The primary drawback of planar magnetic drivers is that the huge magnets they hold require lots of power. This makes them heavier and bulkier than other types of headphone drivers. Therefore, a lot of planar magnetic drivers require a dedicated power amplifier to function correctly.

The amplifier should be constructed to match the output power of the planar magnetic driver in order to provide the optimal listening experience. The amplifier should also have a high input impedance in order to be able to drive the planar magnetic driver at its maximum output.

The planar magnetic driver is typically constructed to be a dipole (radiating equally and in a different phase in front of and behind the speaker, like ESLs) or a monopole (radiating only in the direction of forward, more like traditional headphones). The most commonly used design is a bi-pole with one north and one south pole. Its shape makes it easy to build as one piece of metal 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 commonly used in premium headphone systems where sonic accuracy matters. They are also used in audio equipment that is designed for professional use, such as microphones and loudspeakers. They are also perfect for medical imaging, and other applications that require high-precision.

The Seal

For planar drivers to function optimally, they must be sealed in a very precise and tight manner. A tiny leak can cause a significant change in the quality of sound and could cause distortion. So, a lot of effort is put into creating the right seal for drivers with planar designs.

Contrary to many headphone designs that are used, planar magnet magnetic headphones should not have any gaps in the enclosure of the acoustic. This is because gaps cause the diaphragm's resonance to be triggered with different frequencies simultaneously. This is referred to as crosstalk, and can cause the overall sound quality to suffer significantly.

The most commonly used seal for planar magnetic headphones is the rubber rings seal. This seal is very effective at stopping air leaks. It is also extremely robust and lasts for a long time. However it is essential to be aware that this type of seal can sometimes produce an unnatural sound. If you are planning to use a planar magnetic headphone, you must choose a seal that is of high-quality.

Another option for an in-plane magnetic driver is the liquid crystal display (LCD) seal. This is an advanced seal designed to prevent gaps from creating. It's also designed to withstand a significant amount of pressure. This makes it a great choice for audiophiles who are looking for a premium sound quality.

One benefit of LCD headphones is that they can provide the most clear and precise sound. This is especially relevant for high-end headphones like the Audeze LCD-4 and HiFiMAN Susvara. However, it is also possible to find inexpensive LCD headphones that provide similar high-quality sound.

It is also important to remember that a planar magnetic headphone can create a higher sound pressure than conventional dynamic headphones. The way they are constructed is the reason. Planar magnetic headphones differ from dynamic headphones because they are equipped with two magnets that pull against the diaphragm. This can create a strong force that can produce extremely high frequencies.

Planar magnetic drivers, which are a relatively new technology in the headphone market are a revolutionary product. They have begun to revolutionize the way people listen to music. In addition to their superior audio, these headphones are also very comfortable to wear and Magnet Planar are easy to adjust.