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box help for dd9518
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<blockquote data-quote="Bad4health" data-source="post: 6966344" data-attributes="member: 614385"><p>went through a whole shit storm the last few weeks. i found out why the box had no lows. the sub wasnt even sealed in the box the screws were too small to fill the hole so it was held in by the gasket it was whistling and farting. aka no low notes what so ever. so i took the gasket off an put washers with the screws an used sealant around the sub and TADA!!!!! low notes are back. the new box is 44 wide, 20 deep, and 19 tall. inside is 7.9 or so before displacement i figure that to be .7 cuft. so 7.2 ft with a 8.5 diameter aero port and the port is 14 inches long, i also got a bigger amp 3000 watts rms. about how much louder should it be im figuring double the power = 2-3db gain so .5db?? lol i kno my math sucks. im not really sure what its tuned at so could you guys help me im not good with sub calculators an such</p></blockquote><p></p>
[QUOTE="Bad4health, post: 6966344, member: 614385"] went through a whole shit storm the last few weeks. i found out why the box had no lows. the sub wasnt even sealed in the box the screws were too small to fill the hole so it was held in by the gasket it was whistling and farting. aka no low notes what so ever. so i took the gasket off an put washers with the screws an used sealant around the sub and TADA!!!!! low notes are back. the new box is 44 wide, 20 deep, and 19 tall. inside is 7.9 or so before displacement i figure that to be .7 cuft. so 7.2 ft with a 8.5 diameter aero port and the port is 14 inches long, i also got a bigger amp 3000 watts rms. about how much louder should it be im figuring double the power = 2-3db gain so .5db?? lol i kno my math sucks. im not really sure what its tuned at so could you guys help me im not good with sub calculators an such [/QUOTE]
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