| I thought the moving coil and moving iron headphones will be two camps with portable audio, which has dominated the development of portable headphones market, but did not think of the failure of the year UE 5EB used 'circle iron' this one into one Concept, was successfully turned over by AKG, and then launched in 2011, a milestone for the circle iron headphones K3003. Since then, in addition to dynamic and moving iron, there are circle iron this third camp, not only allows manufacturers to have another piece Blue Ocean for exploration, but also allow consumers to have a broader choice.  However, the story is not over yet, and in the past two years' flat-panel headphones' have gradually become the object pursued by some enthusiasts. In fact, the principle of flat-panel transduction is nothing new, at best, than the legendary ' Sennheiser Orpheus electrostatic headphone system) the use of electrostatic energy conversion principle younger, the cost should be lower. So the advantages of flat-panel transducer principle in what place? Let us understand the flat-panel exchange Can principle. What is the principle of flat panel transduction? Flat plate unit is provided by the two plates of permanent magnetic field, printed with a fine circuit placed in the magnetic field, the electrical signal connected to the diaphragm on the printed circuit, the magnetic field generated positive and negative charge, because the entire diaphragm evenly printed conductive Circuit, resulting in vibration.This sound principle is similar to the electrostatic unit, the technical details and have a different form has many similar to the characteristics of the electrostatic unit, both to achieve outstanding extension, good transient, low distortion, the use of threshold But lower than the electrostatic unit - because the flat-head headphones do not need the boost drive voltage. It can be seen from the above, the advantages and disadvantages of flat-type headphones equally obvious, which can not help but suspect its existence in the portable product on the necessity of the past in addition to the technical and material limitations, flat-panel transduction principle is used in the head Wearing large headphones.When manufacturers gradually break the difference between the circle and the iron to create a product that is welcomed by consumers, the flat-panel headphones portable, both firms continue to break (zhao) from (mai) I ( dian) is the only way to attract consumers continue to chop the hand of a new growth point. So the question is: In view of the principle of flat-panel headphones, small flat-panel portable headphones what sound performance? To this end, PConline peripheral channels to find a focus on flat-panel headphones brand AUDEZE's main mid-market isine20 products, and Close to the price, from its own brand Unique Melody (hereinafter referred to as UM) the first self-developed flat-panel headphones ME.1. Both using flat-panel transduction principle, in terms of performance What is the difference? Get the hand sound quality? ME.1: Almost equivalent to a smaller version of the big headphones If you are the first contact with the flat-panel ear headphones, then ME.1 will give you a different shape.Many friends choose in-ear headphones because in-ear headphones can bring more excellent However, the exposed part of the ME.1 cavity is like a miniature open headphone, people can not help but wonder whether the process will leak .This is the appearance of the flat-panel headphones due to the appearance of the structure , But also the inevitable problems in the process of using ME.1 retro design, but also a different kind of beauty. Aimed at the problem of sound leakage, small series of headphones to take care of themselves cool people slightly to ME.1 some friends around to audition, and then try to get closer to the ear, and not too obvious missed sound, but there is sound Cleanliness of friends should be carefully chosen.ME.1 first half of the cavity is with the popular in-ear headphones is not much difference, the catheter size is more normal, the actual feeling of wearing pretty good, a long time There will not be too obvious sense of foreign body wear. As UM's first fully self-developed headset, ME.1 in the internal structure of the headset is also spent a lot of effort. Diaphragm size is 18mm, compared to the ordinary 10-12mm dynamic headphones or some advantages. Double-strength The use of neodymium magnets ensures that there is enough charge to produce vibrations that produce a much better sound density, and the UM is in order to ensure that users will be able to use certain MEs without having to miss certain environmental sounds when using ME.1 outdoors. 1 which used the self-designed sound filter to ensure the safety of users. As a manufacturer of equipment enthusiasts for a short period of time manufacturers, UM naturally aware of the wire on the sound impression.In order to meet the needs of consumers, ME.1 uses 8-core 6N single crystal copper wire, basically to ensure music transmission When the signal purity, transparent heat shrinkable tube wrapped base line looked quite HiFi, but ordinary consumers may not be so easy to accept. And its other headphone products, ME.1 uses a 0.78mm double plug Pin interface, in ensuring the robustness of the interface has a structural advantage. AUDEZE isine20: avant-garde, light luxury The same is also the use of the principle of flat-panel transducer, AUDEZE isine20 also has a flat shape, a considerable area of the sound unit, plug in the back of the headphone.However, ME.1 slightly complex (tu) ancient style (qi) Isine20 style avant-garde is clearly a lot of both the brown as the main color, with gold as a decorative color, or cavity design more like a shield of the concept of modeling, make isine20 modeling looks more and (hao) harmonic (qi) comfortable (shi) suitable (zu). In contrast, the posterior cavity area of isine 20 is larger than that of ME.1, and unlike ME.1, the anterior cavity has enough volume to come into contact with the socket to form a seal, so the isine 20 is more prone to leakage and out To alleviate this situation, AUDEZE not only designed a longer and deflected catheter, but also adopted a full-scale screw-type silicone earmuffs, As far as possible to ensure the sealing. The actual effect? Xiaobian frankly, chatting is better than nothing. Wire, the AUDEZE does not promote wire-based material, the thickness of the wire closer to our common in-ear headphones.Under the same interface with 0.78mm pin interface.Instead, even more surprised Xiaobian, in addition to packaging common 3.5 mm interface wire, AUDEZE also prepared a wire using the lightning interface.It seems that AUDEZE still want to be Apple's phone in high-quality performance on the right-hand man - no, AUDEZE's EL8 flat headphone, now in the Apple Store Waiting for you players favor it. Listen to contrast: the same tablet, but it sounds completely different Although the flat-panel headphones in the past mostly to appear on the headset, but Xiaobian still not intend to use the Taiwan machine to drive the main audition equipment for the iPhone 5s, vivo X20, Kuang QP1R, Hidizs AP200 and other portable devices. Structural characteristics of the headset, the audition environment will be as quiet as possible to reduce the interference of the performance of flat-panel headphones. Listen first is isine20, when the music sounded, first Xiaobian feel the open sound should be an open sound field should be. Isine20 oval sound field, a considerable amount of horizontal sound field, coupled with the portable headset is not bad Longitudinal sound field, capable of challenging to put down a large orchestra classical music band. Boundary effect of the natural decay of the sound field, can show a good sense of the level of sound, and not because of the sound of the scale, it seems the distance between the music elements pull Large, always maintain a proper sense of distance. To have such a performance, it can be said that 30mm diaphragm size and open design combined with great credit. To play the advantages of flat-panel transducer structure is not only natural relaxation of the sound field, for the reduction of sound detail is commendable.This is not a common headset through increased resolution, deliberately create a sense of form, but through the music For example, in some jazz performances, you can hear the impact of the drum drum changes, as well as the process of sound strength, and even to capture some subtle sound isine20 in the weak details The performance, a good presentation of the advantages of flat-panel headphones. Tri-band, Xiaobian that isine20 tri-band is balanced and real, supplemented by the reduction of high sound thickness and density, and more delicate sound lines, to ensure the restoration of the case can have a very good sense of hearing. Of course, isine20 is not all-around, and seems to be a little over-softened in the performance of rock and roll, not to mention the isine20 shows a congenital weakness in the case of metal rock, which requires a lot of dynamic and speed sense. The situation, all reflect the flat-panel structure of the inherent deficiencies. In contrast, due to the use of a diameter of 18mm diaphragm, so the same is the flat-panel transducing structure, ME.1 ear first be able to feel the difference in sound field.If isine20 have the opportunity to challenge the large preparation of classical music Then ME.1's ability is better suited to interpret jazz scenes. ME.1 is fairly well controlled with distance, but the boundaries of the sound field are still noticeable, so ME.1 is better suited to interpret some of the space Feel not too much music. ME13's performance is somewhat different from that of isine20 in terms of tri-band style and quality. ME.1 makes it easy to feel this is a warm-hearted style with a sense of energy and location at the vocal level Correspondingly strengthened, which made ME.1 a low-to-medium-high frequency distribution of about 3: 4: 3, with a thicker acoustic sense of hearing.Although a double magnet was used to increase the magnetic flux, ME.1 Acoustic resolution by the size of the unit, showing innate deficiencies. Therefore, ME.1 chose a more focused tuning, focusing on the sense of hearing in the interpretation of some of the old adage, it is easier to highlight the texture of the recording, but this sound style, high frequency extension is not melodious , Low-frequency dive is also a little lower, the sense of sound lines will not be particularly vividly portrayed, coupled with some of the inherent lack of flat-panel transducer principle, in the interpretation of the need for a sense of speed when the sound is more powerless than isine20 feel. Have to say in terms of wear, UM combines the past to create a variety of custom headset experience, so even if the male mold, the front cavity is also very fit to wear Xiaobian himself and people around the ear canal, as leakage problems Well, it's still a little bit lighter than the isine 20. In contrast, although the isine 20 has been designed with a deflected catheter and a threaded silicone sleeve, subject to the cavity design, not only do adjustments need to be made for good and no ME. 1 as stable and noise.May add an ear hook can wear more stable, but the problem of sound leakage did not bypass, but also require a lot of effort AUDEZE.
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