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In the Forum: Horn-Loaded Speakers
In the Thread: JBL 2226 2445 2405 3-way and a path forward
Post Subject: Getting better sounding "lower knee" out of compression driversPosted by haralanov on: 1/24/2014
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 Romy the Cat wrote: |
| I was very slightly open the back chamber of the driver that gave to me some ease at lower knee. |
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Congratulations you have found and use this principle, otherwise the back chamber acts like pneumatic brake for the lower working range of the diaphragm!
If you want to squeeze the last drop of performance out of the compression driver, you need to effectively "attach" some air to the back of the cone, to compress it, and then to gradually release and absorb the energy of the back wave:
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