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In Reply to: Re: Building subwoofer cabinets posted by rkeman on February 26, 2007 at 09:01:20:
Hi, I don't want a kit. I want to know what it means when people say that a cabinet is tuned to a certain frequency, and how you do this with a sealed cabinet. Thanks
Follow Ups:
Perhaps it means that the woofer & cabinet combo has a particular low frequency cut-off point. The neccesary text & formulae to explain how this is accomplished & measured takes at least several pages or even a chapter, thus the advice to read a print book on the subject. It is far too simple to state a larger box lowers the cut-off point or a smaller box raises it. Dickason's book is on-sale @ madisound.com/
ok, ok, thanks for help. i'll buy the book.
In a sealed-box system, the cabinet affects the resonance frequency of the speaker by increasing the stiffness of the suspension. You cannot accurately speak of the cabinet frequency in isolation, only in the context of a system resonance of the speaker/box system.The speaker's resonance frequency is also not very relevant, except in the context of the speaker/box system.
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