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<blockquote data-quote="aworldcollision" data-source="post: 5884002" data-attributes="member: 591636">not isolation but canceling.wave diffraction and canceling. He&#039;s already isolated as best as he intends to. Using the foam to diffract, simply as a means of extending the baffle step...whatever the F that means<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /> still learning this stuff<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big grin&nbsp; &nbsp; :D" loading="lazy" data-shortname=":D" />my tires were extra costly because they had ridges on the inside made to cancel reflective sound waves. That&#039;s what made me think of this. In this rare circumstance, we want to cancel the bass because the sound waves in the rear that inner-mingle prevent a true IB effect.</blockquote>

[QUOTE="aworldcollision, post: 5884002, member: 591636"] not isolation but canceling. wave diffraction and canceling. He's already isolated as best as he intends to. Using the foam to diffract, simply as a means of extending the baffle step...whatever the F that means:) still learning this stuff:D my tires were extra costly because they had ridges on the inside made to cancel reflective sound waves. That's what made me think of this. In this rare circumstance, we want to cancel the bass because the sound waves in the rear that inner-mingle prevent a true IB effect. [/QUOTE]

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