5 major precautions and misunderstandings for home theater wire use and purchase

At present, many home theater enthusiasts have two extremes, over-emphasizing the importance of wire and over-considering the wire. In response to this problem, the Chinese home theater network has specially summarized the use and purchase considerations of home theater wire, and hopes to have something for everyone. help. Home theater wire mainly includes: audio and video lines, digital lines, speaker lines and power lines. The sound quality of the home theater audio and the stability and distortion of the video signal are not only related to the quality of the equipment itself, but also to the home theater cable. There are 5 common misunderstandings and precautions.

Myth 1: Ignore the impact of the power cord on the overall effect of the home theater

Many people do not agree with the influence of the power cord on the equipment. In fact, although the length of the power cord is very short for the entire grid system, the cross section of the grid connected to the wall is generally large, and the cross section of the ordinary random power cord is very small. The small diameter of any part of the middle of the wire will become the weakest link in the entire circuit, which becomes a factor limiting the power supply. Moreover, the professional power cord also has multiple layers of shielding, which can reduce the impact of interference in the power supply to a certain extent.

Myth 2: I think silver wire is better than copper wire

Although the silver wire has low impedance to high frequencies and transmits to high frequencies better than copper, it is sometimes excessive and low frequency performance is poor. Sterling silver wire is not only expensive, but also easy to oxidize, so it is relatively rare, most of which are silver alloys of other metals. The transmission of copper wire to high-frequency low-frequency is more uniform, but pure copper has more impurities and more crystals, which is not suitable for making audio wire. Most of the current use of OFC oxygen-free copper, the sound is more clear and transparent due to the reduction of impurities.

With the improvement of smelting and annealing technology, large crystalline oxygen-free bodies and single crystal copper have emerged, making the transmission of sound more balanced. Therefore, from a certain perspective, it is a better choice to choose a copper wire that is more expensive.

Misunderstanding 3: Over-reliance on advanced wire, ignoring balance

For signal lines and speaker lines, many people use line tones. Although different wires have a certain influence on the sound of the equipment, in fact, the use of the sound of the wire is the quality of the wire, because the wire itself is a passive signal channel, just a signal transmitter, it has no ability to amplify the signal. For example, if the low frequency of a certain equipment is not good, it will go to the low frequency wire. It sounds like the low frequency is strengthened. However, this is the attenuation of the high frequency signal by the wire. If it is not good, the whole frequency of the equipment will be The response becomes uneven, so it won't pay off. Therefore, you should choose neutral, low-sound wire, such wire will not affect the performance of other equipment, easy to match with other equipment, so that the potential of the equipment.

Misunderstanding 4: Ignore the equipment and think that the effect of changing the line will increase rapidly.

In fact, this is a bit of a slap in the end, if the source itself is not good, no matter how good the wire is. If the equipment can't reach a certain quality, it is equivalent to an insurmountable bottleneck. That is, using the top-grade fever wire will not fundamentally improve the expressiveness of the equipment. If you spend these costs to buy high-grade wire, it is better to upgrade the equipment itself. Even the effort to extract from the room acoustics or the speaker placement is much greater than replacing expensive high-grade wires.

Myth 5: Ignore the impact of wire length

The home theater audio is first sent out through the sound source, amplified by the power amplifier, transmitted through the wire, and then released into the speaker speaker. In this process, the signal distortion, attenuation, and attenuation caused by the wire transmission are the biggest, especially When the wire is very long or extended, the attenuation distortion is particularly serious. The majority of home theater enthusiasts should pay attention to it, try to make reasonable wiring, and reduce the length of the signal line to achieve better output. More home theater wire knowledge, welcome to enter the home theater forum and the majority of home theater enthusiasts to discuss.

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