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<blockquote data-quote="bigbassman" data-source="post: 1809082" data-attributes="member: 542419">quite honestly...&nbsp; I haven&#039;t seen too many vehicles with a true peak frequency that sticks out like a sore thumb...now before you try me on this...&nbsp; I said the car....&nbsp;&nbsp; just because certain box designs show a peak...&nbsp; that&#039;s not the same thing...I&#039;ve tested and built MANY different vehicles...&nbsp; you throw a butterworth order in em, and you&#039;ll find nary little of a giant peak....&nbsp;&nbsp; most vehicles are flat from 65-70hz, down to below 14 hz or so....you will discover that box / tuning interactions will generate a peak frequency...&nbsp; that&#039;s called finding the most efficient working point of the box, vent, and woofer(s)and it is easier to make certain woofer / tuning / box interactions more efficient (i.e louder) in vehicles.....if I need to dig further into the topic.. lemme know..Loyd L.</blockquote>

[QUOTE="bigbassman, post: 1809082, member: 542419"] quite honestly... I haven't seen too many vehicles with a true peak frequency that sticks out like a sore thumb... now before you try me on this... I said the car.... just because certain box designs show a peak... that's not the same thing... I've tested and built MANY different vehicles... you throw a butterworth order in em, and you'll find nary little of a giant peak.... most vehicles are flat from 65-70hz, down to below 14 hz or so.... you will discover that box / tuning interactions will generate a peak frequency... that's called finding the most efficient working point of the box, vent, and woofer(s) and it is easier to make certain woofer / tuning / box interactions more efficient (i.e louder) in vehicles..... if I need to dig further into the topic.. lemme know.. Loyd L. [/QUOTE]

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