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In the Forum: Horn-Loaded Speakers
In the Thread: JBL2440 on a round 300Hz tractrix horn
Post Subject: .... an octave or two bottom...Posted by Romy the Cat on: 1/10/2005

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Well,

first of all the phrase “rated flat to 300HZ” is kind of ambiguous. There is no such a thing as “rating” - they write whatever they wanted. Second: yes, you understand me correctly, I would prefer to have lot of room at bottom and I feel that it is better to have an extra channel then your force a driver to handle the lowest octaves or to stress a driver to it’s limited excursions.

Due to the educational reasons I would avoid explain it further. I would suggest to you make some experiments and make your own conclusions.

1) Make experiments with different crossover orders and find out why the 24 db or higher crossovers mush not be used.
2) Make experiments with any know to you mid-rage driver and see how the midrange changes sine you begin to unload the LF from the driver

Rgs,
Romy the Cat

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