Ample Audio ACWD 1200 Посібник користувача - Сторінка 7
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Також для Ample Audio ACWD 1200: Посібник користувача (6 сторінок)
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When building a sealed enclosure, make sure that all of the seams are air-
tight by using a high-grade silicone. Sealed enclosures are generally cate-
gorized for tight or high sound quality applications. If the box volume is
increased, the bass will become deeper and will have a flatter response. If
you want to generate more SPL, simply make the box smaller than rec-
ommended, but keep in mind that the overall response will be inferior.
Vented (ported) enclosures are a little trickier to design and build than
sealed enclosures, but they can offer several advantages as well. The use
of vented enclosures requires 50% to 150% more space; therefore you have
to first determine whether or not you are willing to give up the room in
your vehicle or if you have enough room at all. The reasons why vented
enclosures are harder to design is because they are dependent upon a tun-
ing port. If the port size is to small or to large, the output will be very lim-
ited and there is a strong possibility that you will damage the woofer. If
the port is properly done, there can be a significant increase in output ver-
sus other types of enclosures. Other benefits include excellent deep bass
response, lower power requirements (more efficient), and extreme SPL.
Use vented enclosure for extended deep bass or strong punch.
The most difficult enclosure to design and build is known as a bandpass
box. Described by its name, a bandpass box controls both low and high fre-
quencies. These enclosures are very unique because they allow the
designer to control efficiency. Usually, however, BP boxes require the
most amount of space and cost the most to build. There are many varia-
tions to bandpass enclosures, therefore, it is usually a good idea to consult
your Authorized Dealer or call Ample Audio for designs. However, we
have included a dual chamber, single woofer design for those who want to
attempt a BP design.
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