[Home Theater Network HDAV.com.cn] At present, more and more commercially available home theater speaker system can be connected to bi-wiring (two-wire connection) for enthusiasts to play two-line crossover. Bi-wiring can make the speaker playback sound quality even higher. If your speaker has this function, it is a waste to not play bi-wiring!
Using a pair of speaker cables to transmit high and low frequency signals at the same time, the requirements for the speaker cable are high. If the quality of the speaker cable is not high, it is easy to produce intermodulation distortion, causing interference such as electrical crosstalk and magnetic crosstalk, which makes the tone blurred. Especially in the case of large dynamics and large dynamic rate. Double-line sound splitting (if the three-way horn is used to transmit high, medium and low frequency respectively, called tri-wiring), the high-frequency can be divided and not interfered with each other, so that the requirements for the wire are relatively reduced. The speaker is upgraded immediately. Therefore, speakers with bi-wiring function have become more and more popular. Now some enthusiasts will consider whether the machine has fiber optic and coaxial digital output when purchasing a CD player. Similarly, when someone buys a speaker, they also look at whether there is bi-wiring. In order to upgrade.
Commercially available bi-wiring speakers, the high frequency and low frequency input terminals are usually short-circuited with copper or copper rods. When the user does not connect to the bi-wiring, it only needs to be wired as a normal speaker. If the bi-wiring is connected, the copper or copper rod is removed, and the two pairs of wires are respectively connected to the high and low frequency terminals. The line should be doubled.
Ordinary wiring of the horn, in order to obtain the desired effect, the quality of the wire can not be ignored, and now foreign enthusiasts play the wind, in order to improve the sound quality, the value of the wire is even more than the main equipment. With the bi-wiring method, because the high and low frequencies are all the same, it is good to use a slightly better line. Of course, if you have a lot of "silver paper" and a high-end fever line with double-line crossover, the effect will be better.
Bi-wiring has a significant effect on the improvement of sound quality. I have used the medium-priced speaker cable two-wire connection method to compare with the higher-priced speaker cable single-wire connection method ab. The result is that the single-wire connection low-frequency "ç¬ " is tight, but the high-frequency is inexhaustible, and the medium-high frequency band is somewhat "Mongo", the sound field is narrow. The two-wire connection, the middle and high-pitched sounds are natural, the treble is clear and meticulous, the bass's elasticity and stretch are also good, and the sound field position is also wide open.
What is the effect of the material, structure, length and other factors on the sound quality of the two-line crossover? This needs further exploration. I have tried different materials, different lengths, different structures of various wire combinations, the effect is different. As for whether it is good or not, it is entirely a matter of opinion. In fact, this is one of the mysteries of playing the line.
If the speaker has no bi-wiring connection and you want to separate the fun, then it is very easy to remove the crossover to change the lead and add a pair of binding posts. Things. However, if it is a factory-made horn, it will no longer be an "original" product after this change. Is it worth it? You are "executing". However, if the enthusiasts make their own speakers, it is worth recommending to increase this bi-wiring connection, so that there is another way to play in the future. It is gratifying that many of the speakers produced by local manufacturers have added this function.
Speakers with bi-wiring wiring can be further upgraded to play bi-amp (dual amplifier). This kind of gameplay uses the front stage of the same source to connect the two rear stages to push up the woofer separately. The effect is much better than bi-wiring, but it has to invest more than one power amplifier. Conditional friends may wish to try.
Two-line split to single line input
The most common two-way speaker bi-wiring connection, the split network Qualcomm low complete separation
Bi-wiringde parallel connection. More fresh and fun home theater information, please pay attention to home theater network (WeChat: cnhifi) http://, the country's most influential home theater audio player interactive media website.
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