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<blockquote data-quote="dreamer" data-source="post: 36795" data-attributes="member: 542613"><p>if it's the same amp that was pushing your 10", it is most likely your box. If you stick a 15" in a small ported box, or in one that is tuned too high (6 vents??) it won't sound good at all. If you had a lot of vent area (which I can imagine that you have a lot with 6 vents) then they will have to be pretty dang long to get a low enough tuning freqency, unless your box is gigantic.</p><p></p><p>15s generally sound not good or loud in too small of a ported box. They'll get loud but only at high frequencies which doesn't really sound that great for music. Check the specs of your subwoofer. If you post the thiele small parameters of the subs that you have, i can run them in a program real quick and tell you what would be a good set up for sound quality or spl or a little of both.</p></blockquote><p></p>
[QUOTE="dreamer, post: 36795, member: 542613"] if it's the same amp that was pushing your 10", it is most likely your box. If you stick a 15" in a small ported box, or in one that is tuned too high (6 vents??) it won't sound good at all. If you had a lot of vent area (which I can imagine that you have a lot with 6 vents) then they will have to be pretty dang long to get a low enough tuning freqency, unless your box is gigantic. 15s generally sound not good or loud in too small of a ported box. They'll get loud but only at high frequencies which doesn't really sound that great for music. Check the specs of your subwoofer. If you post the thiele small parameters of the subs that you have, i can run them in a program real quick and tell you what would be a good set up for sound quality or spl or a little of both. [/QUOTE]
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