tequila Posted January 12, 2010 Report Posted January 12, 2010 As the title says. What would you shoot for. given both options have the same amount of power given to them. Been thinking about changing up my setup from 2 12" RF Punch HX2's to 4 12" Kicker Comps sealed. Wondering what you would prefer.. For the ported box: 4.4cft @33hz For the sealed box: 6cft Havent really had any experience with sealed setups so im curious! '99 Civic hatch 18" AA Chaos - 7cuft @ 34hz - 114sq in. port Mac Audio Fearless ~ 1000wrms @ 2 Ohms Videos: Youtube
crazyfrazz09 Posted January 12, 2010 Report Posted January 12, 2010 the seald boxes will sound tighter and you will loose the low lows, the ported boxes are louder and "boomier" and get low but dont sound as accurate and tight. 1998 jeep grand cherokee future teardown and rebuild: 2-15.4 orion hcca's sub amp undecided 2 sets of components 1-concept amp (mids/highs) undecided h.o. alt 2-yellow tops
Team_DC-Derrick Posted January 12, 2010 Report Posted January 12, 2010 really? my low lows are actually louder in my car in my sealed box then when i had a ported box... The DC Integra 3 18s to 6 15 build log Team_DC-Derrick's Youtube Team DC Audio where theres a will theres a wall....... I just realized Steve has reach Voldemort status, over on JP's site he is the one who will not be named....."We dont speak his name over here, fearing it will destroy us" LOL not even in hush tones
tequila Posted January 12, 2010 Author Report Posted January 12, 2010 really? my low lows are actually louder in my car in my sealed box then when i had a ported box... so youd go for the 4 12's? my first thought was 2 15's sealed but the twelves got more cone area. I just wanna be loud without needing too much power (high output alternator and a huge amplifier would totally own my budget) '99 Civic hatch 18" AA Chaos - 7cuft @ 34hz - 114sq in. port Mac Audio Fearless ~ 1000wrms @ 2 Ohms Videos: Youtube
abervintageman42 Posted January 12, 2010 Report Posted January 12, 2010 seein is how you got a hatch the 4 12's will get plenty loud in that, but eitehr way you really cant go wrong
Team_DC-Derrick Posted January 12, 2010 Report Posted January 12, 2010 I like how much mine sounds in a sealed box, but my ported box at 35hz did get ALOT deeper at around 36hz.. but, either way will get loud and sound great doing it.. i would prefer the 4 12s over the 2 12s ported The DC Integra 3 18s to 6 15 build log Team_DC-Derrick's Youtube Team DC Audio where theres a will theres a wall....... I just realized Steve has reach Voldemort status, over on JP's site he is the one who will not be named....."We dont speak his name over here, fearing it will destroy us" LOL not even in hush tones
keepinitloud Posted January 12, 2010 Report Posted January 12, 2010 a ported box will be more efficient than a seald box wont need as much power to get loud as a sealed box Id stick with the ported box 06 chrysler 300C Hemi one mmatts dreadnaut 15 powered by a planet audio vx 2200d fosgate p200 running planet audio 8" midbass drivers and super compression tweeters stock battery and a stinger spv44 Irragi 300 amp alternator big 3 1/0 http://www.stevemeadedesigns.com/board/topic/55075-system-in-my-300c/page__view__findpost__p__763656__fromsearch__1
Team_DC-Derrick Posted January 12, 2010 Report Posted January 12, 2010 Sealed Subwoofer Boxes The most common and versatile type of enclosure is sealed. This style enclosure is ideal for any application where space is going to be an issue. In some cases a sealed recommendation for subwoofer box will be half of what the ported recommendation is. They also have the advantage over ported and band pass enclosures in terms of overall sound clarity. A sealed subwoofer box will deliver a tight, clean and accurate bass response and have a flat frequency response curve. In general a sealed box will be for listeners looking for sound quality driven system that is clean across the entire frequency band.'' Vented & Ported Subwoofer Boxes Next up are ported or vented enclosures, “ported” & “vented” are synonymous, it just means the enclosure has a hole in it to let air escape. You know that guy you can hear from 2 blocks away? Well he is likely running ported box. This style enclosure will likely be about twice the size of a similar sealed box since the airspace inside the chamber is much larger. Ported enclosures are tuned to a certain frequency range which is determined by the port length, width and diameter. The port can be in several configurations such as rounded or a slot which is narrower and taller. Each subwoofer will have a specific frequency they are designed to run at for maximum output. Depending on what you plan to use the enclosure for it can be tuned to various frequency ranges by modifying the port. In general most competition SPL vehicles tune to high frequencies around 45Hz or higher. This setup would be designed for absolute maximum output but sacrificing a great deal of sound quality. A ported box tuned 25Hz will still allow your system to hit the ultra low bass notes while still keeping sealed like sound quality. The disadvantage is the enclosure will then have a fairly flat frequency range. And then the most common frequency range found usually in pre-built ported / vented enclosures is around 33 – 35Hz. At this frequency the enclosure will still deliver much more bass output than a sealed box but at the same type with still retain most of the sound quality. In other words you will get the best of both worlds with a ported box run at about 33Hz. Bandpass Subwoofer Boxes And last but not least are Bandpass enclosures. These are a hybrid box version and combine the features of a sealed and ported sub box into one enclosure. They are generally the hardest to build and design but offer some unique advantages. Bandpass enclosures are all about efficiency. How they work is a subwoofer or subwoofers in some cases are mounted inside a dual chambered box. One chamber is sealed and the other is ported / vented. The sound waves travel from the sealed subwoofer chamber though and out the port. This allows for a much deeper sounding bass and will be tuned to a narrow frequency band which creates a very aggressive sound. Not all subwoofers will work in bandpass enclosure so make sure you research or check the manual first. The DC Integra 3 18s to 6 15 build log Team_DC-Derrick's Youtube Team DC Audio where theres a will theres a wall....... I just realized Steve has reach Voldemort status, over on JP's site he is the one who will not be named....."We dont speak his name over here, fearing it will destroy us" LOL not even in hush tones
Sp33dyG Posted January 12, 2010 Report Posted January 12, 2010 id do 4 10's ported the only person i wouldnt let build my box would be Ray. Team Heavy-Flex4 SA 12's tuned to 29hz Ampere Audio 3800.1 @ 1 ohmXS Power D3100Big 3Stock alt
tequila Posted January 12, 2010 Author Report Posted January 12, 2010 I like how much mine sounds in a sealed box, but my ported box at 35hz did get ALOT deeper at around 36hz.. but, either way will get loud and sound great doing it.. i would prefer the 4 12s over the 2 12s ported a ported box will be more efficient than a seald box wont need as much power to get loud as a sealed box Id stick with the ported box i havent got alot of room in my car so thats why i would go sealed. dont feel like upping to stronger amp and subwoofers as this would put more strain on my electrical. anyway i might just tear out my backseats and make the box completely ported, though i want to keep this optional '99 Civic hatch 18" AA Chaos - 7cuft @ 34hz - 114sq in. port Mac Audio Fearless ~ 1000wrms @ 2 Ohms Videos: Youtube
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