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Planar Magnetic Loudspeakers and Ribbon Tweeters Planar magnetic drivers such as ribbon tweeters, and other dynamic speakers offer several advantages. Their large diaphragms require only a tiny amount of movement (excursion) to reproduce the same volume like a conventional driver, resulting in very low distortion. They also have a dipolar radiation pattern, meaning they radiate equally to the front and back of the speaker. High-Resolution Sound Ribbon and planar magnetic speakers are renowned for their ability to produce precise, detailed sound. They are known to deliver high-resolution and reveal subtle nuance in music that other drivers are unable to reproduce or reveal. Planar and ribbon drivers are not just accurate, but also offer superior soundstages that allow them to reproduce a large soundstage with incredible clarity. Audiophiles as well as home theater enthusiasts and audiophiles will find them be a great option. The most notable feature of planar and ribbon drivers is their dipole radiation pattern, that emits equal energy front and back, inverted phase to create an incredibly spacious and natural soundstage. This, in conjunction with their broad dispersion, makes them ideal for large rooms, where they can fill the room with an expansive and natural soundstage, without causing unwanted reflections off walls and furniture. Planar magnetic drivers also have a fast response time, which allows to reproduce transients with greater precision and speed than conventional cone drivers. This results in a clear and clear sound even at extremely high frequencies. Another advantage of planar magnetic drivers is their low distortion. This is due to the fact that they don't use the voice coil, but instead an electrostatic field. This allows the diaphragms move without causing vibrations that can cause unwanted distortion. A planar driver also has a much larger gap between the magnets than a cone speaker. This results in a better frequency response and less distortion at lower amplitudes, but still delivering high-quality bass. Although many of the advantages of planar magnetic drivers appeal to you, they do have some limitations that must be thought about. They can be expensive and require more power when compared to other kinds of speakers. They can also be heavy which makes it difficult to fit in certain areas. Additionally, they are sensitive to the sound of the room and require extensive room treatments to achieve optimal performance. There are solutions to lessen the effects. For instance, you can add an attenuation resistance (provided with speakers) and place it in the attenuation settings. Or, you can perform some type of room treatment. Wide Dispersion Planar magnetic speakers also create sound by controlling the flow of electrical currents through wires suspended in between magnets. However, they directly move a flat diaphragm instead than an electrostatic charge which means they have a larger surface area and greater precision. This allows them to be built into smaller and more affordable headsets and speakers than electrostatic models. In addition to providing a broad dispersion, planar drivers deliver superior imaging and clarity of soundstage, particularly in the higher frequencies, where they excel. This is a huge benefit for audiophiles who like listening to their favourite movies or music in an expansive living room or any other open space. Planar drivers can also produce a very deep bass, because they can be enhanced with boxed subwoofers connected to or separated from the membrane that resembles a ribbon. This is in contrast to traditional cone-type speakers, which contain woofers at the bottom, which are unable to reproduce bass frequencies because of the physical constraints of enclosures for woofers. driver planar has an extremely low distortion rate, which is directly correlated to the size and movement of the diaphragm. In the end, the planar speaker can deliver an enormous amount of sound with very little distortion, which is why it can produce such clear and detailed reproduction. Dynamic drivers found in conventional speakers and headphone typically exhibit significant distortion when they are driven to their maximum excursion limits. Dynamic drivers can give an unnatural or booming sound. Finally, planar magnetic drivers are also extremely efficient. They require less energy to drive, resulting in lower energy consumption and a less negative impact on the environment. Furthermore, their diaphragms typically composed of lighter materials than conventional speakers, which in turn reduces the amount of energy needed for them to generate a given sound pressure. Many audiophiles have heard of planar/ribbon speakers such as those manufactured by Magnepan Infinity and Apogee Acoustics. However, there is a brand new on the market. For example new planar loudspeakers coming from manufacturers like Diptyque and Clarisys Audio are incorporating the most advanced ribbon technology. Low Distortion Since planar magnetic speakers do not feature a cone- or dome shaped diaphragm, they produce extremely low distortion. This is the direct consequence of their unique design which eliminates the voice coil inductance commonly associated with traditional dynamic speakers (see U.S. Patent 6,353,560). This guarantees that the diaphragm is not out of phase with the magnetic field that surrounds it, which results in an output that is constant. Most often, distortion occurs when waveforms with large amplitudes are reproduced. With a single-ended planar magnetic driver distortion is virtually nonexistent at all frequencies that go beyond the bass. In addition to their extremely low distortion, planar magnetic loudspeakers offer extremely high efficiency. This allows the drive to operate with a much lower power consumption than is typically required for other speakers. This translates into lower costs of ownership and lower energy consumption. Planar magnetic drivers also have a significantly lower distortion compared to conventional dynamic speakers and even less than electrostatic speakers. This is because the diaphragm, which is flat, of the planar magnetic driver is equipped with a conductor trace on it which allows it to respond to magnetic fields produced by the magnets that are on the opposite side of it. The two magnets need to be placed with care to ensure that the voice element is located within the magnetic field at all times. This allows magnetic drivers with planar design to operate at a very consistent level across all frequencies higher than bass. Planar magnetic drivers offer a variety of other advantages however the most significant is that they can be designed as dipoles (radiating in opposite directions and equally behind and in front of the speaker, similar to an ESL) or Monopoles (radiating in the direction of travel similar to traditional dynamic speakers). This opens the door to many different possible designs, especially when coupled with ribbon tweeters. Many planar magnetic loudspeakers can be found today from brands like Hifiman, Dan Clark, Audeze and Fostex. Each company has a signature sound, which is a result from their patented driver designs and other technological innovations. The commonality among these speakers is their amazing detail, dynamics, and a controlled control of directivity. High Power Handling Planar magnetic drivers can handle a lot of power, but without the tension or strain that can be caused by traditional moving coil dynamic speakers. The “voice coil” is not squeezed into the small gap between baskets and cones like in traditional dynamic drivers. Instead it is spread over more of a large area. This provides the voice coil with a larger surface area to absorb heat effectively. Another reason why planar magnetic drivers can handle such a large amount of power is due to having an extremely low mass when in comparison to conventional drivers. Dynamic drivers feature diaphragms with heavy, thick diaphragms that are several orders of magnitude heavier and thicker than the ultra-light diaphragms that are found in planar magnetic drives. Due to their high mass, conventional diaphragms need more force in order to move forward and backwards (a measurement called excursion) to create an appropriate level of sound pressure. As a result they aren't able to be used as hard as the planar magnetic driver since the voice coil would begin to produce large amounts of distortion. This is the reason it's essential to only purchase loudspeakers that are designed for the amplifier you plan to drive them with. The high excursion of a planar magnetic driver also allows it to create a larger soundstage than conventional drivers. This is because the entire diaphragm vibrates to create a flat, even wavefront instead of the more focused spherical wavefront that is common in conventional drivers. This larger soundstage also increases the accuracy and detail of the speakers, allowing them to better reproduce subtle variations and more complex sounds. The downside to the superior power handling of planar magnetic drivers is that they are often more expensive to make and require higher-powered amplifiers to be driven at full capacity. They can be massive and heavy, making it difficult to install in certain areas. They also tend to have a low bass response, so you may need to add a subwoofer to your system in order to get the best results at lower frequencies.