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In the Forum: Horn-Loaded Speakers
In the Thread: Impulse response, short notes and midbass horns.
Post Subject: Vibation control vs Re-entry ideaPosted by unicon on: 6/18/2011
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Active sound cancellation has been used widely in industry as ANC (Active Noise Control)
They work best and functional in narrow band bass FRQ.
To make it short it is not practical in your case...
Bass FRQ have enough power to vibrate horn mouth and constructional area nearby them.
 use a chip contact Mic in your horn mouth n monitor how does it vibrate

Remember the time I insisted for having access to your midbass horn driver screws ?
I left a threat also with graphs showing how loosening to tightening the screws can change the impulse response ...

best
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