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Car Audio Equipment
Subwoofers
Which is louder; 4 sealed subs or 1 ported?
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<blockquote data-quote="T3mpest" data-source="post: 7064266" data-attributes="member: 560148"><p>good post Kyle... 4 12's have alot more displacement potential and will be a lot harder to overdrive. Also the type X's sound alot better than the type R's and will have a much flatter frequency response. 4 type X's sealed would be a much better setup than even 2 R's ported, IMO. One type R vs 4 X's is laughable...</p><p></p><p>Lastly when it comes to how many DB's porting gains you it depends where you tune and how big the box is. You always trade effeciency for bandwidth when you create a ported box. If you tune higher you get more of a peak, but lose ouput below tuning and since your tuning higher you lose alot more down low. You can get a single ported sub to be louder than a pair of sealed subs on a few notes , but assuming equal quality on each sub it wont' do it on a range of notes and that's really what counts for daily. At 60hz it's going to be baseline effeciency and power, 2 subs will amost always beat one sub up top. Down low you'll be below tuning and lackign cone area, so the sealed subs will be louder down there too. A single ported sub will be a little louder in small range and MUCH quieter everywhere else, so it'll also sound like crap. If you port and tune low you can combat alot of this, but in those cases 2 sealed is usually just about even overall with 1 ported, howerver one ported is alot cheaper....</p></blockquote><p></p>
[QUOTE="T3mpest, post: 7064266, member: 560148"] good post Kyle... 4 12's have alot more displacement potential and will be a lot harder to overdrive. Also the type X's sound alot better than the type R's and will have a much flatter frequency response. 4 type X's sealed would be a much better setup than even 2 R's ported, IMO. One type R vs 4 X's is laughable... Lastly when it comes to how many DB's porting gains you it depends where you tune and how big the box is. You always trade effeciency for bandwidth when you create a ported box. If you tune higher you get more of a peak, but lose ouput below tuning and since your tuning higher you lose alot more down low. You can get a single ported sub to be louder than a pair of sealed subs on a few notes , but assuming equal quality on each sub it wont' do it on a range of notes and that's really what counts for daily. At 60hz it's going to be baseline effeciency and power, 2 subs will amost always beat one sub up top. Down low you'll be below tuning and lackign cone area, so the sealed subs will be louder down there too. A single ported sub will be a little louder in small range and MUCH quieter everywhere else, so it'll also sound like crap. If you port and tune low you can combat alot of this, but in those cases 2 sealed is usually just about even overall with 1 ported, howerver one ported is alot cheaper.... [/QUOTE]
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Which is louder; 4 sealed subs or 1 ported?
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