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Thread: Why IB Sub?
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Old 02-18-08, 01:16 AM   #56 (Link)
SteveCallas
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Re: Why IB Sub?


I'm not trying to disinfrachise anyone from going the IB route, just showing an option that will yield more performance for those who already have an IB but are wanting more or are limited in some way, like jagman, without having to purchase more drivers and amplification. The simple fact of the matter is that it isn't really debatable whether or not a LLT offers greater headroom, less distortion, and deeper, flatter extending response compared to an IB. Not unless someone has figured out how to defy physics.

Quote:
willy-be wrote:
Maybe I'm wrong but it looks to me like the IB designs seen in the gallery here really aren't much different than open baffle or dipole speakers. If that's the case you're saying people like Siegfried Linkwitz and others are fundamentally wrong in the way they design speakers?
They are quite different, because as Nick touched on, the backwave from the drivers in an open baffle speaker configuration are not isolated from the front wave. This is definitely not something you would want to do with a subwoofer if your goal is deep extension and high ouput, as you will lose both of those in an open baffle configuration. So your second sentence doesn't really apply, and it would have been a very slippery slope at best if it did, as performance goals for designing a subwoofer are typically different than performance goals for designing a speaker, especially an open baffle speaker.


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