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In the Forum: Horn-Loaded Speakers
In the Thread: Impulse response, short notes and midbass horns.
Post Subject: The problem seen by different anglePosted by haralanov on: 6/14/2011
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 Romy the Cat wrote:
The midbass horns dodo fine attack of the short notes but they all delay with decay. If to make an amp that would shorten decay of the fast notes then it would be a phenomenal solution.

Your midbass horns have delay with decay, because there are a lot of internal reflections (acoustic resonances) that takes some time to settle down below the treshold of hearing. It can not be compensated by "special type of amplification"... These resonances could be controlled only mechanically by making some kind of "acoustic diode" that absorbs the energy of the sound that is reflected back to the neck of the horn. Something like this:

acoustic diode.jpg

The drawing is very rough, but it allows you to get the idea. The blue spray illustrates the damping material.
 

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