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How Do Planar Magnetic Headphones Work?

Planar magnetic headphones are less dispersed than dynamic drivers. This is because it vibrates the entire diaphragm, not only the portion that connects to the voice coil.

They also have a more spacious soundstage with better instrument separation and distinction capabilities. However, they do leak more, and require isolation to ensure that no one disturbs people who are around you.

The diaphragm

The diaphragm plays an essential part in almost all sound transducers (headphones and loudspeakers and microphones) that are used to move air in order to produce sound. In headphones, it's a flat piece of diaphragm that is suspended between two magnets that create an electromagnetic field when stimulated by audio signals. In a planar headphone, the electric current from the source of the headphone is transmitted to the diaphragm through a coil. This coil generates an electric field that causes the diaphragm's to vibrate.

The sound generated is transferred to your ear via the diaphragm's suspension, which is often made of an artificial material, such as neodymium or titanium. This allows the diaphragm to resonate with your ear at different frequency. Contrary to dynamic drivers which are a lot more powerful, planar magnetic headphones provide very high SPLs without sounding distorted or muddy.

Planar magnetic headphones are not only able to reproduce high SPLs, but also provide the best soundstage. The reason is that the flat diaphragm creates an asymmetrical sound wavefront instead of the spherical focused wavefronts that are found in the majority of dynamic drivers. The headphones create an acoustic environment that is more natural and are easier to pinpoint.

Another benefit of the planar magnetic headphones is their exceptional transient response. This is due to their ability to recreate peaks that last only a few seconds in audio signals, for example the cymbal crash and kick drum hits. The large size of the diaphragm as well as the fact that it is able to move evenly across its surface means that there is no distortion at these high points.

However, planar magnetic headphones do have some drawbacks which should be considered when choosing a set. They tend to be more expensive than their dynamic counterparts. The main reason for this is the complexity of the drivers as well as the reputation of the brand.

There are numerous affordable planar magnet headphones that cost less than $100. In addition to their impressive performance, these headphones come with closed-back and open-back designs, so you can choose which one fits your preferences best. Audeze LCD-2 Classics and HIFIMAN Arya Stealth Magnets Edition are two of the best headphones available.

The voice coil

Planar magnetic headphones provide exceptional clarity and How Do Planar Magnetic Headphones Work clarity across all frequencies. This is due in large part to the flat, thin diaphragm, which is sandwiched between two arrays of magnets. When an electrical signal is transmitted from your audio source, the material that conducts it's windings inside the voice coil interact with the magnetic field and cause the diaphragm to move creating sound waves.

The planar-type driver has the advantage that each vibration occurs at the same speed and is uniform, no matter the position of the diaphragm within the magnetic field. This results in an even and consistent sound with less distortion. It's also more comfortable for the ear. In contrast, dynamic drivers tend to create a more spherical sound wavefront that's less consistent and can be distracting.

Because of the way they function, planar magnetic drivers require a more powerful amplifier system than their dynamic counterparts. They also tend to be larger and heavier because they require an extra large, flexible diaphragm. As a result, they typically require an external amplifier and DAC to provide enough power to power them.

In addition the magnetic drivers that planar are more expensive than their dynamic counterparts because they're typically made from high-quality materials. However, a handful of specialized HiFi audio headphone companies have started to revive this older technology in recent years. Consequently, we're witnessing a myriad of new headphones that feature planar magnetic drivers that provide an incredible listening experience.

As with all things in life, the decision between planar magnetic and dynamic headphones comes down to personal preference and budget. Planar magnetic headphones are renowned for their precision and clarity and offer a slightly larger soundstage than dynamic models. Dynamic headphones are more expensive, however they have a heftier bass and a warmer sound quality.

In general, dynamic driver headphones have some more punch and slam than those with planar magnetic designs, but the differences aren't often apparent to most listeners. They're also better at imaging structure and distinction. There are some exceptions to the rule. The best planar-magnetic headsets can be purchased at very affordable costs.

Magnets

In a typical headphone with a dynamic driver the electrical impulses generated by your source of audio travel through a coil of conductory material which interacts with the magnetic fields within the driver. They are then used to manipulate the diaphragm's flat surface and create sound waves. Planar magnetic headphones on the other hand make use of a thin layer of conductive material sandwiched between two powerful magnets. This makes them more difficult to manufacture, which is one reason why they're generally more expensive than their dynamic counterparts.

A heavier and bigger design is also the result of the necessity for more space around the drivers. They also consume more power than their dynamic counterparts, which means they'll require an amp specifically designed for headphone use to maximize their performance. This isn't a major issue often, but it's worth considering when selecting these headphones.

It's not the case with all headphones, but the top planar magnet headphones have an airier, more open sound. They also provide an airy feel that can be very appealing to certain listeners. The soundstage they provide is also a bit larger, which can be helpful when listening to music with other people.

Many boutique headphone brands like HiFiMAN and Audeze use the open-back design. While they're not as common as closed-back models, they're an excellent opportunity to experience the advantages of planar magnetic technology. The HiFiMAN Sundara, for example, is a great opportunity to test the speed, accuracy and detail of these headphones.

The housing

If you're an avid audiophile or just someone who enjoys good music, it's likely you've heard of magnetic headphones that planar. They sport a distinct look with a flat embedded diaphragm, which can be found in both open-back and over-ear headphones. These headphones aren't just unique in design but also work with a different method than dynamic drivers.

Unlike the traditional moving coil driver that uses the voice coil to create sound waves the planar magnetic headphones utilize magnets that move the diaphragm back and forth to generate sound. These arrays can be positioned on one or both sides based on the design. The magnets are activated by an electrical signal that travels through the voice coil and causes it to vibrate. The vibrations generate magnetic fields that interact with magnets on either side of the diaphragm. The magnetic fields cause the diaphragms pull and push. This results in sound waves that represent the audio signal.

planar magnetic closed back headphones magnetic headphones can create a deeper sound and have a better bass extension. The diaphragm is large and flat. responds faster to changes in the input signal, meaning they are able to respond quicker to bass response and are less prone to distortion. This results in a more controlled, tight sound quality that some audiophiles find appealing.

These headphones are capable of reproducing higher frequencies, but they lack the punch and slam that modern dynamic driver headphones offer. As such, they can be a bit more difficult to listen to for those who are looking to use them to listen to hard rock or metal music.

Because of their distinctive design, planar magnetic headphones are more expensive than other headphone models. The drivers are powered by an audio converter digital and a separate amplifier. Some consumers may find that the price of these headphones is more expensive, but they believe they are worth the cost. There are a variety of headphones available for those who do not wish to spend too much.