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In the Forum: Horn-Loaded Speakers
In the Thread: New speaker system
Post Subject: Sounds like a hypocrisy, right?Posted by Romy the Cat on: 3/19/2010
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Zanon,

I do understand the sarcasm you would like to express. From one side I insist the people are clueless based upon that fact that they have not aliened diaphragms and from another side I pitch that the perfect alignment might be accomplished only by acoustic measurement but not by geometrical measurement.  Sound like a hypocrisy, right? In fact it is not. The true time alignment might be described only by equidistant of diaphragms. Why in suck case I stress the acoustic alignment? Because the acoustic alignment refines degree of geometrical alignment. Geometrically measuring distances from diaphragms to listening spot we can set canals approximately in the same period. However, there is no measurement of distance that would allow you to set the sinusoid summits. You just do not know what is the acoustic center of the driver, how it was modified by crossover and other conditions. This is why John advocated acoustic alignment. However, what I see the Morons who spend no efforts to align drivers at all and place then a foot from each other then there is no even need to talk/thing with them about acoustic time alignment. There is one exception that mostly never is used by people and that I will later recommend to Guy when I have time to write.

Rgs, the Cat

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