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DI matched two-way [message #47032]

Fri, 03 June 2005 02:23

andreas paulsen
Messages: 50
Registered: May 2009

Baron

Sorry for my current ignorance, but what does the DI stand for here ?
I am sort of curious as I am building a pair of quasi 4 pis.

Cheers
andreas

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Re: DI matched two-way [message #47033 is a reply to message #47032]

Fri, 03 June 2005 10:35

Wayne Parham
Messages: 18791
Registered: January 2001

Illuminati (33rd Degree)

DI is Directivity Index. A circular radiator is nearly omnidirectional at low frequencies but as frequencies rise, the patterns starts becoming more and more directional. If the speaker crossover is set at the frequency where the midwoofer's collapsing directivity matches the pattern of the HF horn, then there are no abrupt changes in directivity. This makes the reverberent field more tonally balanced, and the speaker is more natural sounding.

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