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UpGradde's 4th Order Build
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<blockquote data-quote="UpGradde" data-source="post: 6773470" data-attributes="member: 597292"><p>Don't have videos yet but this thing gets pretty **** loud and LOW! There is a notable difference that I can tell going from a ported enclosure to a 4th order.</p><p></p><p>1. Narrow passband (I guess thats what its called). Can Only play frequencies from like 28hz to ~50hz. Above 50, it looses output a LOT.</p><p></p><p>2. Bass is not precise (ie like a kick drum on a sealed or even a ported box).</p><p></p><p>3. Bass sounds very deep, engulfs the whole car with it, highs can keep up but on some songs the bass is just too overwhelming (thank you decaf).</p><p></p><p>4. Hardly any rattle from the trunk. I can open my trunk and not loose any output in the cabin.</p><p></p><p>5. A 4th order is perfect for rap music (which has a lot of low freq. material), but when it comes to rock/alternative, output isnt so great. Thats where an epicenter comes in lol.</p><p></p><p>6. Bottom line: If you want low and deep bass, and dont care about a narrow frequency range, definatley consider a 4th order. It is (at least from my experience) louder then a ported box.</p><p></p><p>Overall I am satisfied with the output. The closest I can compare this system to was my 2 12 fi bls ported on a gp3kpro. Only difference is the 4th order gets lower but the bls get a lil bit louder ~1db is my guess. The TC shakes my steering wheel on songs with 30-35hz. I just cant believe the output for such a lightweight system, which was my goal, and I think I achieved it. Next move, rb25det!</p></blockquote><p></p>
[QUOTE="UpGradde, post: 6773470, member: 597292"] Don't have videos yet but this thing gets pretty **** loud and LOW! There is a notable difference that I can tell going from a ported enclosure to a 4th order. 1. Narrow passband (I guess thats what its called). Can Only play frequencies from like 28hz to ~50hz. Above 50, it looses output a LOT. 2. Bass is not precise (ie like a kick drum on a sealed or even a ported box). 3. Bass sounds very deep, engulfs the whole car with it, highs can keep up but on some songs the bass is just too overwhelming (thank you decaf). 4. Hardly any rattle from the trunk. I can open my trunk and not loose any output in the cabin. 5. A 4th order is perfect for rap music (which has a lot of low freq. material), but when it comes to rock/alternative, output isnt so great. Thats where an epicenter comes in lol. 6. Bottom line: If you want low and deep bass, and dont care about a narrow frequency range, definatley consider a 4th order. It is (at least from my experience) louder then a ported box. Overall I am satisfied with the output. The closest I can compare this system to was my 2 12 fi bls ported on a gp3kpro. Only difference is the 4th order gets lower but the bls get a lil bit louder ~1db is my guess. The TC shakes my steering wheel on songs with 30-35hz. I just cant believe the output for such a lightweight system, which was my goal, and I think I achieved it. Next move, rb25det! [/QUOTE]
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