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Video cable

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Video cable

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  • Category: Household wires

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  • Release Date: 2018/08/16
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Detailed introduction

Elaborate:

Video cable

In the audio equipment, the wire specifically used for the connection between the amplifier and the speaker. Since the speaker cable transmits the power signal, there should not be too much signal loss under it. This objectively requires the speaker cable to have extremely high-quality electrical conduction. Function, high-quality conductive function requires the wire to have pole transmission ability. The secondary technical goal currently used to weigh these two points is the value of N versus the number of conductor strands. The N value is a parameter that reflects the purity of the metal used in the manufacture of the speaker wire. Often adopting OFC oxygen-free copper and tinned copper +/- is easy to distinguish. It is mainly used in various types of speakers, PA engineering, home theater connection, and public space broadcasting.


The role of the audio cable:

Connect the various parts of the audio to transmit audio and video signals. This is the role of the audio cable. Many people think that the audio cable is only an accessory in the audio. It is not necessary to be so elegant, and you can find a few of them at will. Of course, the sound can also make sounds and pictures, but the effect has been reduced in practice. Because, whether it is the transmission process of the audio signal from the disc player to the amplifier to the speaker, or the transmission process of the video signal from the disc player to the television, to the projector, the transmission function of the wire itself has been poor. And external electromagnetic disturbance, these effects are weakened and polluted, these effects are weakened and polluted, so that the audio cannot recover the high-fidelity sound, and the television and the projector cannot reproduce the realism. Therefore, those who are using and will use audio, it is necessary to understand a little more about the audio cable, and to make a reasonable investment in it, and to use it properly, so as to ensure the excellent effect of audio development.


Types of audio cables:

The speaker cable is used to connect the power amplifier and the speaker. The current signal flowing is much larger than the video and audio cables and overhead cables mentioned below. Due to the large signal amplitude, such cables often have no shielding layer. The key to this cable is It is necessary to reduce its resistance. Because the input impedance of ancient power amplifiers was very low, the requirements for speaker cables also increased accordingly, such as the use of large cross-sectional areas or stranded wires. The wires are available from pure copper to silver wires. An expensive speaker cable is an oxygen-free copper speaker common cable. The second characteristic is that it has good conductive function and low resistivity. It is used to add intimacy when replaying the sound. less. According to the classification of home speakers, it is divided into home theater speakers (normally there are 6) and HIFI sound noise boxes (two), also commonly known as fever boxes.

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