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Passive Radiator
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<blockquote data-quote="thch" data-source="post: 4719346" data-attributes="member: 562032"><p>the simple delay explanation is mostly inaccurate. for instance, it doesn't really explain why excursion is reduced, nor why the system would be able to output +10dB over a sealed box.</p><p></p><p>But otherwise the passive radiator does act as a resonator that does get excited by the woofer, in much the same manner as a ported box.</p><p></p><p>a passive radiator, unlike a port, must move to make sound. while a port has issues with turbulance, a passive radiator has issues with overexcursion.</p></blockquote><p></p>
[QUOTE="thch, post: 4719346, member: 562032"] the simple delay explanation is mostly inaccurate. for instance, it doesn't really explain why excursion is reduced, nor why the system would be able to output +10dB over a sealed box. But otherwise the passive radiator does act as a resonator that does get excited by the woofer, in much the same manner as a ported box. a passive radiator, unlike a port, must move to make sound. while a port has issues with turbulance, a passive radiator has issues with overexcursion. [/QUOTE]
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