The new headset can be used to make the diaphragm inside the headset quickly aging and stable, so as to achieve the best state of the sound. Whether it is high-end headphones or low-end headphones can be used to get the sound quality improvement, but the low-end headphones are relatively general quality of the diaphragm, and sometimes the long-term crashes will not change much, and high-end headphones because The quality of the self-diaphragm is more special, and the technology is more integrated. Therefore, the sound of the wingman will change greatly after a period of time, and thus there will be a noticeable change in the sense of hearing, and even some headphones have undergone earth-shaking changes.
Headsets are a long process, and we still need to download some songs before. We mainly divide them into three categories. One is pure white noise, and the other is traditional audio test discs. Audition discs, Triangular Trial Discs and the like, are not lossless APE format is also OK, the music does not need to be too exquisite, the last category is the music you usually listen to, you need to prepare more, and then you can take the opportunity Now.
The first phase is the warm-up phase. We need to use the white noise (downloadable on the Internet to search for the earphone membrane) to make initial downtime. This time takes about 30 hours. Pay attention to adjust the volume to about 30%. Don't stimulate headphones too much. The diaphragm, because the new headset diaphragm elasticity, excessive volume can easily cause irreversible damage.
The second stage is a full-blown stage. We use the previously downloaded audio test dish to further headphone, which takes about 50-80 hours. The volume needs to be adjusted to 50%, and then gradually increase the volume. This stage last 20 hours can be adjusted to 80%. After this stage, you will find that the earphone sound is very different from the initial stage, especially the earphone with the new use of the new technology diaphragm changes most obviously, and the overall sound quality is often improved obviously. .
The third stage is the stereotyped stage. You can use your favorite music to make the last chance for the headset. The headset sound will become more suitable for your own taste, especially the detailed performance of the sound is more comfortable. This takes 50 hours. Around, but also adjust the volume to more than 80%, so that the headset diaphragm is completely active, so that the high and low frequency limit can be played out.
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To say it, today's technology is the same day by day. In the past few years, optical fiber was still an advanced term, and the price of optical fiber equipment was also scary. Nowadays, optical fiber has begun to spread widely, and the price of optical fiber equipment has dropped with the development of technology. At the same time, with the development of technology, there are more and more vocabulary, such as the PoE-ONU we are going to talk about today.
Advantages of PoE-ONU
Over the years, with the development of projects such as "light-in-copper-retreat" and "fiber-to-the-home", the popularity of ONUs has also become higher and higher. Friends who have worked on PON networks basically know ONU, which is an access terminal device used in PON network, which is equivalent to the access switch in our usual network.
The PON network is a passive optical network. The reason why it is said to be passive is that the optical fiber transmission between the ONU and the OLT does not require any power equipment. The PON uses a single optical fiber to connect to the OLT, and then the OLT connects to the ONU. The use of PON technology for networking can save half of the optical fiber, and the transmission distance is longer.
Although some expenses have been saved, can we save a little more? of course can! With the development of technology, more and more devices are connected to ONU. Many of these devices require power supply. As a result, the wiring is complicated and the operation and maintenance of the devices also require a lot of manpower. In some special environments, the inconvenience of power supply is even worse.
Reverse Poe Onu,Poe Power
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