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5 Reasons To Consider Being An Online Planar Magnetic Driver And 5 Reasons Why You Shouldn't
The Benefits of a Planar Magnetic Driver

Planar magnetic driver is an audio technology that can be found in many of the top-quality headphones and IEMs. It has numerous advantages that help it different from the more traditional balanced or dynamic armature drivers.

However planar drivers have some disadvantages to note. These include their higher cost and requirement for an amplifier to drive them.


Ultra-thin diaphragms

Every sound we hear, from the most raucous cymbal crash to the faintest creak of a piano bench is represented by a and turbulent pressure wave. The driver of a great headphone has to reproduce these waves accurately without losing any details or distorting the audio. This requires a light, thin diaphragm that can respond quickly and swiftly to a variety of frequencies.

Planar magnetic drivers employ a flat diaphragm that is covered by a conductive layer and floats between magnets. This allows them to create an even field of magnetism across the entire diaphragm surface which reduces distortion.

This approach, however, creates additional challenges like the possibility of membrane resonance problems and airflow turbulent within the grid-like magnetic arrays. These issues can result in the frequency of mechanical resonance of the diaphragm which could be several times higher than the input frequency and reduces the sensitivity of the voice pressure sensor.

With a patent-pending technology known as 'Spherical Acoustic Structure' (SAS), Final was successful in overcoming these limitations of the D8000 by using a single piece of material that is both diaphragm as well as conductor. The idea was derived from ribbon speakers and their spherical conductor, but was more cost-effective and suitable for headphones due to its size and power requirements.

Ringing sounds are another challenge that many planar magnetic designs face. It occurs when high-frequency and low-frequency notes are played. This is caused due to a mismatch in the force of the magnetic field applied to the diaphragm and the natural flexing characteristics of the diaphragm itself.

Final employed a thin polymer film called Parylene to address this issue. This material was selected because of its superior mechanical flexibility, stability, and uniformity of thickness. These qualities were crucial to ensure that a rigid, thin film would stretch without forming unwanted wrinkles or creases.

Superior transient response

The way planar magnetic drivers generate sound waves differs from traditional dynamic drivers. The main difference is that the conductor of the planar driver is laid out in a flat 2D pattern on the diaphragm, instead of the coil being wrapped around a cone-shaped diaphragm. Conductors can react to magnetic fields on the diaphragm's sides, and create sound waves with great precision. This technology eliminates the necessity for voice coils which alter their impedance based on frequency, which results in distortion-free music.

Planar magnetic drivers are also lighter and more durable than conventional drivers since they don't contain moving parts that wear out over time. They are also less prone than conventional drivers to harmonic distortion, which can affect the audio quality. They have a faster response time and are able to reproduce sounds faster.

However, the huge surface area of a planar diaphragm requires more power to move and produce sound waves. These headphones need a headphone amplifier that can drive them at a sufficient level. planar magnetic speakers and cost can be a turnoff for some listeners.

Planar magnetic drivers also provide an even larger soundstage than dynamic headphones, making them appear more spacious. This is due to the fact that a large flat diaphragm produces an unidirectional wavefront, rather than the narrow spherical sound wavefront typical of dynamic drivers. This is a major characteristic of headphones that planar and gives a full-bodied listening experience.

Audio reproduction that is authentic and true

Planar magnetic drivers offer more natural and accurate sound reproduction than traditional dynamic driver models. Contrary to conventional dynamic drivers, which have a cone-shaped diaphragm that oscillates back and forth using dual rows of magnets to create equal magnetic forces on the diaphragm. This results in the diaphragm moving in a wave-like motion, which helps avoid distortion. They can also reproduce music in a wider frequency range, from the lowest lows to the highest highs, making them an ideal choice for music lovers as well as sound professionals.

The thin and flexible diaphragm of a planar magnetic driver moves much more quickly than a conventional dynamic driver and is able to respond to changes in the sound signal, and create an accurate reproduction. Additionally, the absence of a coil sitting behind the diaphragm minimizes the chance that there will be contact between the mechanical parts that can cause distortion at higher volumes.

The diaphragm can effortlessly displace large volumes of air to reproduce bass frequencies. The diaphragm's size and its flexibility are vital to produce the deep bass that you hear in your music. Dynamic drivers on the other hand tend to be small and stiff, making it difficult for them to withstand the high-speed fluctuations required to reproduce the bass.

Despite the advantages associated with planar magnetic drivers however, they aren't as widely used in headphone and IEM products as dynamic drivers due to their high price and complicated design. This is partly due to the fact that they require amplifiers to be driven. This restricts their portability. They are still popular with music lovers and critics who appreciate their superior sound quality and excellent performance.

Wide frequency response

While many IEMs and headphones use traditional dynamic drivers with a cone-shaped diaphragm that moves between two directions to create audio waves, planar magnetic headphones employ diaphragms with flat and uniform diaphragms to create sound in a more controlled and even manner. This results in wide frequency response, which allows for accurate and faithful music reproduction. They are also renowned for their outstanding transient response. This means that they can respond quickly to audio signals and reproduce them as accurately as they can.

To accomplish this, they employ a planar array of conductors spread across a thin diaphragm that's sandwiched between two magnets. When an electrical signal is delivered to this conductor array it transforms into electromagnetic energy and interacts with the diaphragm's magnetic fields producing that aforementioned push/pull action. This lets the diaphragm respond quickly to audio input, resulting in top-quality music reproduction with incredible clarity and precision.

Another reason that makes these headphones so popular among audiophiles is their low distortion rate. Since they don't have the same moving parts as other types of headphones, they can't create as much harmonic distortion. They also have lower resistance and are a pure resistance load to amplifiers. This makes them easier to drive.

Planar magnetic drivers are used in high-end audio equipment because of their superior performance. This can make them more expensive and require an amplifier to work, so they are not suitable for a grab-and-go driver. Nevertheless audiophiles are willing to trade that extra expense and effort in exchange for the high-quality that these headphones offer. They are considered to be a top choice for those seeking an outstanding listening experience.

Low distortion

The diaphragm of a plane magnet driver is very thin and therefore it can move at high speed without losing control. This allows for a very precise and rapid response to sudden changes in audio signal. This lets you hear details in music and make them sound more natural and lifelike.

Another benefit of planar magnetic drivers is that they produce the same force of driving across the entire diaphragm. This prevents distortion at higher volumes. This is one of the primary reasons why planar magnetic headphones sound so good - dynamic drivers have thicker and more heavy diaphragms that aren't capable of moving as quickly or with the same acceleration. In fact, they could be destroyed when the forces are too powerful or exceed the limits of their structural integrity, causing different points on the diaphragm to start moving out of sync.

Planar magnetic drivers on the other hand produce an extremely powerful electromagnetic force that is directly applied to the diaphragm. This eliminates the requirement for a voice coil which is commonly required in headphones that use traditional dynamic cone drivers. This can result in better dynamics, a wider soundstage and a more powerful bass response.

Because of these advantages, planar magnet drivers are considered by many audiophiles as the most effective headphone driver. They have a few limitations, such as the price and power requirements, but their ability to deliver excellent sound quality makes them a perfect choice for those who want the highest quality audio reproduction. Compared to other types of headphones, these drivers have superior clarity and clarity across all frequencies, except for bass frequencies (where dynamic drivers are generally still preferred). If you're in search of a pair of hi-fi headphones that provide exceptional audio at any price make sure to look through our top choices below!

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