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Old 02-02-2015, 11:15 AM
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I am a little stumped on this one: my current box design (1 12") is louder with the car sealed, than with the door open. typically it is the other way around. I am not as well versed in the Car Audio Industry, and over the years of competing, I haven't really ever seen this happen.

Does anyone have any insight as to why this is, or is this more common than I know.

Questions, comments, insights are welcome.

thanks.
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Old 02-02-2015, 11:21 AM
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My 4runner is the same way, cabin geometry is wrecking hell on what is "supposed" to happen. Just smile and realize that this is car audio and nothing actually is as it is supposed to be...lol
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Old 02-02-2015, 11:25 AM
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Is that for just your current box, or all boxes made? this one is tuned low, but peaks higher. I was planning on building a second, Higher peaking box.
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Old 02-02-2015, 11:29 AM
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I'm tuned at 25hz in the 4runner. Its the first build I've done in that vehicle. The BMW was loudest with drivers door all the way open, trunk open, and back drivers side door cracked open about 1 inch...lol
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Old 02-02-2015, 11:30 AM
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BMW first enclosure was tuned at 30, then trunk wall tuned at 23, 32, 36, then back to 23. Then b-pillar wall tuned at 25/26/27.
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Old 02-02-2015, 11:32 AM
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4runner peaks at 35 currently, BMW peaked at 36-38 depending on temperature
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Old 02-02-2015, 11:35 AM
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I will try a louder frequency. my old blazer box peaked at 67, doors open were MUCH louder than sealed (5 DB)
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