First, the wire is not mysterious The line is the wire. The digital line transmits the digital pulse signal, the signal line transmits the analog signal of low level and small current, the speaker line transmits the analog signal of large current, and the power line transmits the alternating current, and the different designs are different. For the line itself, the main effects on its performance are two aspects, the structure of the conductor material and the structure of the wire. The material is well understood, the type and purity of the conductor, and the conductors commonly found in the audio wire are copper, silver, alloy, nickel, tantalum, carbon, and the like. The higher the purity of the conductor, the better the sound, which is well understood. There are many wire conductor materials on the market called OCC, PCOCC, PSC, etc., suggesting that the copper crystal used is long and the interface between the crystals is small. In the end, it still means one thing: strengthen the metallurgical technology and obtain a more ideal conductor. . For our users, it is not necessary to mind these names. These names are used to explain technology and publicity. The role of the name disappears after consumption. The higher the purity of the metal material, the higher the cost, how is the sound improved? The average user can't compare, the heroes don't worry, if you can get the same structure of several brands, only the wires with different conductor purity are compared, then please Let's talk about it. Generally speaking, 4N-6N (99.99%-99.9999%) copper can fully meet the requirements of audio use, N is the abbreviation of English NINE, how many N is not an international standard nor an industry standard, so this 6N may be worse than the 6N Far, there is no need to go deeper, it is still a propaganda indicator, we only need to know that the purity of copper is guaranteed. In the audio wire, the copper wire is the most, and the silver wire is the second. Because the silver wire is costly (the material cost of the audio product is very low, the material cost rises a little, the price rises a lot to the user here), and also because the sound of the silver wire tends to be beautiful. Not thick enough. People who like "science" talk about it here should pay attention, and the Ohm's law of your high school seems to have failed. The resistance of silver is smaller than that of copper. How can sound be like this? I don't know. Maybe the distribution of impedance components is more important than the impedance. Maybe the purity of silver is not enough? The structure of the wire mainly involves four aspects: 1. The cross-sectional area and total cross-sectional area of ​​a single conductor: This part is also well understood. Generally speaking, the low frequency of a plurality of thin wires is full, and the high frequency of a single branch line is clear. How to deal with the specific line depends on the design of the manufacturer; 2. Insulation of the wire: Different insulating materials have different degrees of absorption of electrons. PVC is a material that has been clarified for electron absorption. Therefore, the medium and high-grade audio cables absolutely do not use PVC as an insulating layer. PE and TEFLON are all Commonly used materials, sometimes the insulating tubes made of these materials are not in close contact with the conductors, so that there is a layer of air between the conductor and the conduit to insulate, this is called air + × × insulation; 3. Shielding: No matter what line, it should be shielded. The function of shielding is to avoid interference from external signals and clutter. The signal transmitted by the digital line and the signal line is small, and the shielding is indispensable; the speaker line and the power line can be unshielded, shielding can be used to reduce interference, the high frequency details are better, and the background is clean. The shielding material and structure have a direct influence on the shielding effect, thus affecting the sound quality, so the shielding of the high-grade wire is often multi-layered, and the purity of the material is also particular. The shielding layer of a domestic brand power cord uses inferior electrolytic copper, and it does not matter whether or not this shielding is used. For the braided wire, it has already played a role of shielding, so it is possible to add no special shielding layer, but the high-grade braided wire is specially shielded; 4. Suspension: We know that the high-voltage line will “soundâ€. This is the vibration caused by the current flow. The sound wire is the same. There are vibrations from the outside and inside. If the wire vibrates, it is equivalent to the wire cutting magnetic line. More I don't understand anything about electromagnetics. Shock absorbers are very important. High-grade lines often use air pipes, solid pipes and filling materials to absorb shocks. The outer casing materials are also stressful. Some also add nylon shock absorber nets. Some people say that they know the sound when they touch the line. I also agree with this statement. The soft line sound will be softer, and the heavy line will be thick. Of course, this is not universal, but it is verified from one aspect. The effect of vibration on the sound. In addition, for the finished wire, the wire and the plug are joined, and the quality of the plug has different effects on the sound. In this respect, different manufacturers have different approaches. I think this problem is not difficult to understand. The impedance problems caused by these parts may be much larger than the conductor itself. Second, say no to the "strange line" I talked about my understanding of the line above. The performance of the line is determined by the conductor and structure. It is very important for the line factory to work hard in these two aspects. This leads to some lines with strict design and high cost, which can be ideal. The sound is also a good thing. However, driven by commercial interests, some products have done some tricks, and some methods that do not necessarily have a positive effect are used to obtain high profits through exaggerated publicity. This is not a good thing. For example, the practice of adding a small box on the line, the box is generally a filter component, a certain top-level line number said that the resistance of the resistance component is 0.1%, what is the accuracy of the conductor of the left and right channels? Use this method to obtain A certain kind of voice, this is impeccable, but asking for high prices based on my own ideals, I want to say NO! This is just an example, not for any brand (there is no shortage of small boxes), in addition to me Please also look at the home and the user's own judgment. In this way, some HI-END brand wires are designed to change the impedance characteristics through special structures and obtain unique sounds to achieve the purpose of adjusting the sound for high-end sound systems. It is not faithful to transmit signals, "rejoicing" It is these general-purpose enthusiasts who can't afford it. For the average player, the wire should be reasonable in material and structure, can faithfully transmit signals, and do not add too much distortion to the signal. Such lines are "normal" lines, and the price is also acceptable. Take the signal line as an example. I think that the high-end line 4000-10000, the mid-range 1000-4000, the low-end hundreds to one thousand is reasonable. If the price is cross-level, you may wish to buy it carefully. For domestic enthusiasts, we should say no to the "strange line." Third, say no to the fake line The fake line is the enemy of audiophiles. There are several kinds of fake lines. The better one is the low-priced variety that HIFI wire factory has transformed. This situation is described separately below. A kind of counterfeit wire made entirely by the cottage factory. What kind of wire is there? There are unknown so-called "imported second-hand" lines and "famous brand" lines. These lines are made of silver-plated wire and copper wire. Mostly cheap PVC. Now the popular fake line, VDH's mainstream power cord, the fake line is silver-plated multi-core wire, the insulation is PVC. It should be noted that VDH is the most objection to the use of PVC. How can he use PVC in his high-grade line? Q, the fake line! Some people who sell fake lines argue that VDH's finished line is different from the scattered line. It seems that VDH has deceived consumers. The structure of the fake line can be very complicated. A friend of mine used to buy the so-called second-hand monster "M2.4" speaker cable at a price of a dozen or so, and came back to hear the sound, and the structure and the truth. The line is equally complicated (otherwise he won't be fooled) and the materials are different. So how complex the structure of the line is, just for the consumer. The line is industrial production, and the machines and processes are in place. Similar to this fake line is the industrial line in the imported industrial waste, which has become a "fever" line. These lines are thick enough and the core is hard, mainly copper wire and silver plated wire, and the sound is not ideal. The most deceptive is the so-called "second-hand fever line", which uses a fake body, or the body of the same low-line, carefully crafted with genuine or counterfeit connectors; also the cable and connectors are true However, it is assembled by itself, and the line manufacturing process cannot be guaranteed. They are cheaper than the average second-hand line, the number is large, the sound? You think, if it is the real body and plug and the process is good enough, it should be OK, it depends on your psychological endurance. These lines are common in the second-hand market in Guangzhou. Most of the high-end lines of well-known brands such as Kimber, VDH, Cardas, Tararabs, and Audio Note are not cheap, and they are multi-level and uniform. To avoid buying fake lines, you need to watch more and listen more, increase the knowledge of wire materials, look at the information of wire companies, go to the agency to see the appearance, structure and crafts of the real line, listen to the real line of friends and agents, and walk around the market. Pay attention to the normal second-hand price. It’s cheap to cut the end of the game, but once it’s done, it’s late for regret. Fourth, a reasonable view of the transformation line There is now a type of change line on the market. Many imported lines are produced in Taiwan. Some lines are also designed in Taiwan. Sometimes, some manufacturers will make some low-cost transformation lines. The materials and structure are reasonable. Some are the same as the real lines. The appearance should be rough and the price. Cheap. These lines are very popular with the working enthusiasts, and they are cheap and good. I am in a contradiction with these lines. I also use this line, sometimes I buy it for my friends. It’s cheap, and the sound is good. It’s really no worse than the expensive line, but they are not the right way, so I want these lines. It is good to exchange and make a good price at a reasonable price. If you use this line to fill the line, it will be wrong. It can also be known from the generation of such a line that the so-called conductor and structure are just the production problems of the wire factory. The industrial production is the inspection of raw materials, equipment and processes. The research and development is laborious, and the production of the type is much simpler. Not so mysterious at all. 5. Say "yes" to the role of wire rods. Wire is useful and sometimes plays a very important role. The wire does not add anything to the system, it plays the role of toning. If you compare the system to a painting, composition and lines, but the use of color may not be harmonious, the lines and details may be blurred, the color imbalance is afraid that even the composition will be destroyed, then use the wire to reconcile the color. , you can make the picture harmonious and vivid. This is just a metaphor. In fact, the use of wire is more subtle. The system used for wire rods may not be ideal, but it is not unreasonable to be good at using wire systems. It must be said that the wire is indeed in the grade, and the high-end line is more detailed than the low-end line, including resolution and extension. This is because the conductors of high-grade wires have higher purity or more complicated structure, which can shield interference and reduce vibration more effectively. For the mid-priced system (tens of thousands of gardens) that domestic players are more affordable, the 1000-2000 garden digital line, the 2000-4000 garden signal line is ideal, the speaker line I don't understand, the lack of power, the power line comparison complex. The role of signal lines and speaker lines I think most people agree. The digital line is a neglected line. The difference between the role of this line and the sound of different brands is to surprise some people. It is indeed very different, no less than the signal line, it is very important for the performance of the sound source. Fortunately, the digital line only needs one, and often there is no such thing as a high-end signal line structure. The price should be more friendly. Friends who wish to use the split source should pay full attention to it. The controversy of the power cord is the biggest. I always think that the power cord is part of the power supply of the equipment, because the power cord is used separately for each machine and is not shared. The power line can change and reduce the internal resistance of the power supply to a certain extent. At the same time, the power line should have a shielding layer to reduce external interference and prevent the power supply from interfering with other equipment. Whether the equipment we use is signal conversion or amplification, the energy is provided by the power supply, and the performance of the power supply directly affects the performance of the whole machine. The same power cord will show the same sound orientation on different equipments. All the fever power cords have the functions of improving the extension, expanding the sound field, and improving the overtone definition. The degree is different, and the color to the middle and high price is much larger. difference. The role of the power cord is real, and it is by no means as simple as some people think. Of course, there is nothing mysterious about the power cord, and it is not as complicated as some propaganda. Use the power cord to pay attention to the match, not the power cord is ideal for use on any device, the same system is more taboo to join the power cord of different brands. In addition, the low-end power cord has the same obvious disadvantages as other low-end wires (some of which are also very good, should pay attention to identification and matching), the power cord effect of 2000 or above is generally very good, there are also good products around 1000. The power cord may be the most irrational of the wire, but its role can not be ignored, the more high-end equipment power supply design is more rigorous, the role of the power line is often more obvious. More home theater knowledge, welcome to pay attention to home theater network WeChat: cnhifi. Wire Carrier & Tubular Carriers
Fabricated steel wire baskets and wire carriers are designed and manufactured using high quality steel tubing as well as sheet metal for the coiling of wire. A solid basket is often used in house for rod break-down and then used subsequently in wire drawing of large stranders for power cables. Wire carriers are used for coiling and packaging wire from wire drawing equipment, and are then used as in-house or shipping packages.
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