For the role of wire and its characteristics, many articles are discussed from the following aspects:
Wire metal conductor used in the material and its shape, and its decision characteristics; wire weaving method and its effect;
Wire used in the insulator material, and its characteristics; wire used in the characteristics of the plug;
The values ??of the resistors, capacitors, inductors, and frequency characteristics measured by the instruments produced by the above-mentioned materials and knitting methods, and their corresponding actual sound effects.
In fact, the center of these articles contains a good transmission of this content to the sound signal. And wire in the sound system in the "impedance transformation", it is my point of view. Of course, it is not really will automatically carry out the impedance transformation, but the wire in the middle of the impedance transition between the two machines, "under the" role of the connection directly affect the sound quality.
With the above point of view, come to talk about what the meaning of sound quality. The word "sound quality" is generally the general meaning of the quality of the sound. However, in the audio technology it contains three aspects:
The pitch of the sound, that is, the intensity and magnitude of the sound;
The tone of the sound, that is, the frequency of the audio or the number of times per second;
Sound of the sound, that is, audio overtones or harmonic components.
Talking about the sound quality of a sound is mainly to measure whether the sound of the three aspects of the above reached a certain level: that is relative to a frequency or frequency band, whether the pitch has a certain intensity, and in the required frequency range, the same volume , Whether the amplitude of each frequency is uniform, balanced, full, frequency response curve is straight: the sound of the pitch is accurate, both faithfully show the source frequency or composition of the original face, the frequency of distortion and phase shift and meet the requirements; Of the overtone moderate, harmonic rich, sounds sound on the beautiful sounds.
In fact, the above has been mentioned, a certain quality of wire and audio equipment with the accurate transmission of audio signals, will not cause damage to the sound quality of the distortion and phase shift and frequency distortion, and can modify the sound, so that music more pleasant. So it can be said that the wire beats by dre can really change the sound quality of the sound.
So, what degree does the wire affect sound quality? What are the basics and prerequisites for the full use of wire? Why some people feel the role of wire is not big?
A lot of headphones, audio enthusiasts, enthusiasts have used wire, and some people also replaced a lot of signal lines and speaker lines, and power lines. Why some people feel that the effect is not, some people even have "follow the trend", "fooled" feeling? Where is the problem? The problem is very simple, the power out of the system did not do well. Specifically, it is the internal AC and DC power supply and equipment used by the external power supply power is not done well.
The so-called equipment, the internal power supply did not do a good job, more in the low-cost machines. For example, because the stand-alone price is cheap, in order to save or improperly designed, the internal power supply design is simple, using all the way power supply equipment in the multi-circuit, resulting in useful circuits between the various circuits through the power crosstalk, resulting in cross-modulation, , The noise increases even cover up the useful signal, and the effective band of the music is narrowed. At this time, you are put on any expensive wire effect is very obvious. Also, the use of general quality or poor quality of the capacitor, the power transformer capacity is not enough or leakage of magnetic, random power line diameter of the small material is poor, are part of the internal power supply is not good, directly affect the sound quality and line effect. The quality of the internal power supply is not high, for those with electronic knowledge and hands-on ability, you can change the power through the motorcycle and other aspects of quality. For those who do not machine, you can only use the quality of decent, the price and moderate Hi-Fi equipment. The so-called external power supply did not do a good job, then the low-cost equipment, especially for advanced audio have an impact.
Do a good job of external power supply, including the special equipment dedicated to the laying of special power lines, power lines of wire material, diameter, weaving method, length, how to install, where to install very knowledgeable, different equipment has different effects. Also, the power outlet, switches, connectors have different requirements. Especially on the ground, the effect of a great impact on the sound, especially the use of power supply filtering equipment such as isolated power supply, filter power, the ground requirements are higher.
Also special emphasis is that the internal and external power supply is very important, which links should pay attention to, such as the fuse and its contacts are good contact and so on.
In practice, often see someone non-brand-name expensive audio equipment do not buy, non-expensive wire does not buy, but the power and the environment can not keep up, valuable equipment out of the sound is not good, the sound can only become a show off Price, net worth of the furnishings.