The human ear is many sensitive come mid-frequencyFirst, us must recognize the person ear’s capacity to consciousness sound. The equal-loudness contour should be introduced. The equal-loudness contour refers to the relationship in between sound press level and also frequency under equal-sound conditions and is one of the necessary hearing characteristics.The curve of sound push level with frequency is referred to as equal-loudness contour, as displayed in the adhering to figure. The equal-loudness edge is a statistics curve that takes right into account the acoustic characteristics of the crowd.
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The sound push levels corresponding to various frequencies on every curve in the graph are different, but the human ear feel the same. Each curve is marked with a number, which is the loudness unit. The equal-loudness contours have the right to be known. World are most sensitive come sounds between 2000 Hz and also 5000 Hz.Therefore, in theory, once the speaker provides bass and also treble driver to add a midrange driver, the frequency band department is much more reasonable and also detailed, and the sound will certainly be better. However, in the actual style process, the three-way frequency method involves much more technical difficulties, and will undoubtedly boost the production expense of the speaker. Therefore, return the principle of three-way speakers has been propose for numerous years, and also manufacturers have actually continuously tried come produce. Still, in the experienced speaker industry, couple of can make three-way speakers well.
Difference in between two-way speaker and also three-way speakerThe 2-way crossover is written of a high-pass filter and a low-pass filter. 3-way crossover add to a band-pass filter based upon a 2-way crossover. The crossover point out of adjacent curves space usually dubbed crossover points. Over there is one overlapping frequency band near the crossover point. In this band, both speakers have output. Theoretically, the better the attenuation rate of the filter, the better. However, the greater the attenuation rate, the much more components, the complex structure, the mediate is an overwhelming and the better the insertion loss.
The disadvantage is insufficient detail of the voice. Because of the should take right into account the mid-bass, so the woofer deserve to not be also big. A speak unit that is also large, since of its huge size and also low sensitivity, will impact the details the the mid-to-high frequency. Top top the contrary, although the small-diameter unit’s speak takes treatment of the power of the middle and also high frequencies, that affects the power of the short frequencies.
Pros and also Cons around the Three-way speakerA three-way speaker usually refers to a speak consisting of three various drivers: bass, midrange, and treble. Frequently the woofer is responsible for the base part. The midrange driver is responsible because that the midrange or mid-high frequency, and the tweeter is purely responsible for the treble and super-treble parts.The first is wider frequency response, exceptionally low-frequency extension. An excellent three-way speakers generally use a woofer that is more than 8 inches. If the architecture is reasonable, the low-frequency extension is lower, the clarity is better, the feeling of quantity is an ext vibrant, the distortion is smaller, and also the dynamic reconstruction is better.
Second, three-way speakers have actually lower distortion. A correctly designed three-way speak usually provides a small-diameter pure midrange driver and a large-diameter woofer. Each driver has actually its duties and also works in the frequency area the it is great at. Through the lowest distortion, much more details deserve to be restored. And a sufficient amount of info is simply the vital quality for advanced speakers.Third, three-way speaker have far better information and more far-ranging dynamics and adapt to much more types that music. Back some small bookshelf speakers case to have the ability to replay Mahler’s symphony, really desire to pat a greater level the symphony, the bass driver that the three-way speaker is at least 10 inches. Not only deserve to it administer low distortion in ~ high sound pressure once the symphony orchestra dram in concert, but it have the right to also administer a more realistic description of bass drums, large pipes, doubles, organs, etc.
However, it is not simple to style a three-way speaker. It an initial involves the phase problem. If the phase style is no right, the three-way speaker regularly makes civilization feel the the sound is no transparent, and the clarity is not an excellent enough. Low frequencies can likewise be mixed, not as good as two-way speakers.
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ConclusionTheoretically, the two-way frequency divider is straightforward in structure, smaller sized in size, and lower 보다 the three-way frequency speaker. However the disadvantage is inadequate sound detail. The high-mid-frequency and low-frequency shift of the three-way speaker is more compliant, but the crossover needs are much more demanding. The higher the quality and also technical requirements of the crossover, the higher the cost will naturally be.
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