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Hertz, Rainbow, Morel, Massive Audio, JBL, Helix Component Comparison
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Acoustical Mad Scientist
Bay Area, CA
Re: Hertz, Rainbow, Morel, Massive Audio, JBL, Helix Component Comparison
Originally Posted by
I just purchased that book and Loudspeaker Design Cookbook to further expand my testing methods. Reason I wondered about the air space is because some vehicles have extremely well sealed door panels other than the window gasket at the top. Would that still act like an Infinite Baffle instead of a sealed enclosure? I am guessing, 1.5 cubic feet air space on average in a fairly well sealed door?
Those two books are faaaantastic. Good job.
What you describe would behave like a "large" leaky box. The woofer will act more similarly to an infinite baffle install more than a sealed box, and some of the rear wave will mix with the front wave causing some amount of cancellation. The exact frequencies and attenuation can vary, but it's usually the lower octaves and the amount is proportional to the amount of air leakage.
Measure with mics, mark with chalk, cut with torch, grind to fit, sand to finish, paint to match.
-My 2002 VW Golf stealth SQ build (an engineering student's perspective)
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