Basic explanation
The headphones are actually “stamped” in the remembracing of the permafrost and the new permafrost in the mechanic surplus, which results in greater distortion, which, after some time of use, gradually improves and is gradually reduced to normal levels. In the case of earphones, the machine is made as long as it is not switched off, but in the case of headphones, a certain power signal must be given to keep the vibrator vibrating。
Headphones
The essence of the headphone is that the new headphones do not listen to electronic music with too much volume in order not to damage a headphone that has not yet been “stuffed”, so long as it is not the rock of electronic music, you can listen to a little soft music or light music by yourself. It would be preferable to listen naturally and not play it deliberately for long periods, which would damage headphones。
As you all know, new cars, machines, etc. Are subject to a phase known as “branching” prior to normal use, in which internal mechanical devices are fully coordinated and pre-optimal. Similarly, the headphone propulsion unit (sounders inside the headphone) is also a mechanical device, which should be a semi-mechanical, semi-electronic combination, consisting mainly of acoustic, diaphragm, locator rings (metal rings for fixed perforation). The mechanical component is a passivity system, which includes the diaphragm and acoustics fixed on the diaphragm. Consistency elements can be equivalent to the electrical energy in the electronic component, which is stored in electrical energy and in amplitudes and the sound ring in kinetic energy. The consistency of the headphone unit is equal to the conjunctive value of the two caps, i. E., the sound quality. The materials used for the amphibians and the acoustic circles are high-transformation materials, and their internal molecular structure is unstable at an early stage of stereotyping, so it is also unstable in size, and it is usually relatively small when it is converted to the speaker unit (usually intuitively understood as still rigid), as the molecular structure is relatively stable. After a long period of movement, the molecular distance between the molecules has increased considerably and evenly spread, and so has the consistency of the loudspeaker as a whole. One of the most important values of the loudspeaker is the minimum coordination frequency, professionally called f0, which basically determines the minimum frequency that the loudspeaker can achieve, depending on the equivalent quality and equivalence of the loudspeaker, because the loudspeaker is a mechanical resonance system that is equivalent to a resonance circuit on an electrical road, the frequency of resonance of the resonance circuit depends on the electrical sense (the quality of the loudspeaker, etc.) and the size of the electric capacity, the size of the foe and the sense of electrons are inversely proportional to the size of the electrons, so that the loudser is more powerful, the f0 of the loudspeaker is lower, and the lower frequency depth is better. The change in probabilities leads to a global start-up, and all mechanical data on speakers as a whole will change, such as the mechanic quality factor for loudspeakers, which is equal to increased mechanical wear and tear, so that the probabilities will decrease, which is equivalent to a sound that sounds softer. So the new headphones sound relatively low-frequency, low-intensity, low-intensity, rigidity, moderate-frequency displays, and high-frequency symptoms such as stings and too sharp (which is, of course, determined by the quality of the headphones themselves). After a while, the consistency (or elasticity) of the loudspeaker unit increases and the movement is easy, so that the sound is full and the sound is better。
Introduction to methodology
(i) how to build headsets
Headphones
The theoretical and procedural aspects of headsets are no different from the soundboxes, but headsets are more careful than soundboxes. If the headphones are not well prepared, it is possible to reduce the useful life of the headphones and even to cause permanent physical damage to ear opportunities, such as inadvertently overloading, excessive amplitude leading to amplitudes. Some of the friends had a scrambling of the sound caused by excessive amplitude resulting in the disabling of the impact amphibole by the adhesive adhesive adhesive of the concourse, no doubt due to excessive volume of sound leading to excessive amplitude. The headphone amplifiers have a useful life, as do the speakers in the speaker's microphones, except that they are much smaller than the amplifiers ' amplitudes because they are very small, and the earphones will have a longer life and, if used properly, will not be problematic for decades. However, if the headphones are to be quickly ripened, the long-lived high-power drive headphones will inevitably reduce their useful life, and if they are not properly used, there is a high risk of irreparable physical damage to the headphones, so it is essential that the appropriate volume be used for the headphones。
Many of the newly bought headset friends like to listen to the full frequency of the scans, but they often feel that their new headset is not evenly ringing. Why? And that's a good explanation for the fact that, if the vibrating range of the headphones is very consistent, then the sounds you hear must be uneven, because people's ears are sensitive to different frequencies. This method is used to test the frequency performance of headphones is incorrect and to avoid the use of single-frequency signals to test headphones, which can easily damage headsets, especially the highly sensitive personal listening devices and some listening machine products. In the selection of stage two and three music, the music used for headphones should be less dynamic music, which would prevent the higher and less sensitive headphones, and the time spent should be increased accordingly, and the total time spent on headsets should be no less than 50 hours。
There are also two issues that should be noted in earphones, one of which is the careful handling of headphones, especially high-end headphones, rather than electronic music, where the low-sound component is too strong to be overloaded for high-sensitivity headsets, resulting in irreparable physical damage. Anyway, it tastes good. The other point is not to test headphones with single-frequency sound signals, especially with low-frequency signals, and one is that human ear reactions to low-frequency signals are insensitive, as if the signal from 20hz were heard, the headphones must be overloaded, and some low-capacity headsets are likely to have burned down or to be deformed. 20hz is a limit, between hearing and hearing, and some hearing is not good, so don't yell at your new earphones on some limit
(ii) slow sound
Headphones
The only universally applicable method of headphones is “progressive” and has just begun to use soft music, allowing the headphones to relax for 10-30 hours at lower volume, and then medium volume with ordinary music (except rock, dance) 100-200 hours; if at this point you don't listen to the loudspeaker, you become round, warm and friendly, and low frequency is no longer a cluster of booms, but full of details, then congratulations. Ok, no rush。
There are two things to be noticed in the process: one cannot work for too long. Because of the electrical resistance to the stereo, it'll heat up after work and probably burn it! It's best to stop in two hours and continue. Second is that the volume must not be too big, that the ear-plug amplifier is a fragile material, and that the volume of the volume is so large that the movement of the sound-circle is so large that the vibrator is soared, that it can cause the hype, disfigurement, and even tearing。
Headphones are mainly amplitudes of earpieces, which, at present, are as thin as 135 micrometres, and amplitudes of carving headphones range from a few to a dozen micrometres (about 60-90 micrometres in diameter of our hair). The internal stress of the amphibians themselves in the process of manufacturing, and the assembly stress that occurs when they are adhesived and fixed on the skeleton, is the process by which we call the headphones that gradually disappear and the amplitudes gradually adapt to sound。
I thought the sound equipment was not engineering machinery, but there was something in common. The good thing needs to be sharpened and sounded slowly. It's better to split the machines into stretches, communication, martial arts, battles and five steps out. For example, headphones:
1 stuff - 12 hours with a volume drive of one third of normal hearing strength (better with 100-15000 hz/5s filtering signals)
Communication - 12 hours with a volume drive of two thirds of normal sound intensity (better with 50-18,000 hz/3s filtering signals)
