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Similarities and differences of all kinds of speaker cabinet

In Electronic Infomation Category: S | on April 14,2011

1, the most classic sealed box

It is the concept of an infinite panel of evolution, and SC1544TS datasheet and change the result of an infinite panel speaker cone behind the shortcomings of energy waste, so speaker can be a relatively small volume, but it is still inefficient. The case has the advantage of small size, minimal coloration, low-frequency roll-off slow, little distortion! Such cases are usually equipped with a soft cone speakers (basic equal to the high-Q). The gist of the case do pay attention to the tightness of the box.

2, bass reflex (domestic commonly known as reverse-phase) This is the most commonly seen

the box, the advantage of moderate size, medium efficiency in broadband with good sound quality. The disadvantage is low turbidity, roll-off too fast! (Does not apply to low-frequency hifi playback) is a second vented bass reflex effects in the form of strengthening, the enhancement effect of low-frequency increase, but the resulting low-frequency peak before the emergence of a deep valley, and SC1544TS price and the effect of the low turbidity distortion also increased! Making adjustments difficult.

3, open back style (referred to as OB-style, open back or open baffle)

Mostly electric guitar with this box. It requires something with a more rigid cone speakers. Good style is simple and SC1544TS suppliers and easy system, the disadvantage is the low-frequency money absent. Be careful not to make the box sides engaged in a deep, or in sympathy with sound.

4, transmission line or a maze (TransmissiON Line and AcouSTic Labyrinth)

Often large volume of such cases, speakers were placed behind a number of sound channels feedback out of meters long. Pipes are often folded, inside a large amount of sound-absorbing material to absorb all except low frequency sound outside, reducing the distortion. Low frequency from the pipe opening out the sound with the speakers facing the same phase. Feature is enhanced, while low, the quality is very good.

5, dorsal horn loaded folding box (Rear Loaded Folded Horn)

Box in the horn, the sound through a growing cross-sectional area of ??the cavity, the energy is amplified and enhanced point. Difficulties in making the horn unit and the junction of the horn, to prevent distortion echoes resonate. Coloration is the problem, a huge volume of low-frequency horn, folded horn at right angles to the advantage of compact enough. The disadvantage is caused by the inhibition of the high-frequency and distortion. The box is still using the front speakers output sound directly, although the efficiency is higher than the inverter box, but still the lowest efficiency of low-frequency horn box!

6, before the load-type straight horn box, Front Loaded Straight Horn

Such case has a very high efficiency and the direction! Common in the stadium and other major occasions. But do not put a lower frequency for, as will be huge volume and length. Advantages in addition to the previous two, there are sound into small, transient sounds good, the benefits of high resolving power. hifi on, often used in high frequency, requiring coordination with the compression driver.

7, folded horn box before loading Front Loaded Folded Horn

Classic W-Bin horn box is such, advantage is efficient but compact! The disadvantage is the narrow bandwidth, large coloration. Although the high quality but some people think even worse than inverting the bass box.

8, band pass box Band Pass

Only popular in recent years, the box design, the general common are 4th order and 6th order design. Such cases are very poor sound quality is generally not used for hifi use! However, due to be built to enhance low-frequency and low-pass filtering effect, so it is suitable for AV subwoofer design.

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