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DIY & Tutorials
DIY For Audio
IB Subwoofer
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<blockquote data-quote="Hennie" data-source="post: 60755" data-attributes="member: 20"><p>One out of phase concept that does make sense in an IB is a woofer pair mounted push-pull on a manifold. It cancels even order distortion and virtually eliminates vibration transfer to the structure onto which it is mounted. Especially useful for ceiling mounts. Depending on the design, the inlet hole may also be smaller than the normal driver mounting hole.</p><p></p><p>One disadvantage is that a cavity resonance is formed between the two drivers. With a proper design it can be pushed high enough not to matter.</p></blockquote><p></p>
[QUOTE="Hennie, post: 60755, member: 20"] One out of phase concept that does make sense in an IB is a woofer pair mounted push-pull on a manifold. It cancels even order distortion and virtually eliminates vibration transfer to the structure onto which it is mounted. Especially useful for ceiling mounts. Depending on the design, the inlet hole may also be smaller than the normal driver mounting hole. One disadvantage is that a cavity resonance is formed between the two drivers. With a proper design it can be pushed high enough not to matter. [/QUOTE]
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DIY & Tutorials
DIY For Audio
IB Subwoofer
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