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Author Topic: Doublet=forward gain?  (Read 1412 times)

Dan Magers

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Doublet=forward gain?
« on: August 09, 2009, 12:34:41 pm »

Is there any forward gain in a pr of spaced drivers due to the "doublet effect" over a single point source?
Or, is the acoustic energy from the nulls just lost in many unwanted lines?  

In other words... if I took two drivers spaced horizontally would I see forward( and rear) gain at a certian freq then loose the gain to an omni pattern as the freq drops where the two begin to act as one source?

Hmm... I may have to set up two boxes outside and play around.    
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Art Welter

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Re: Doublet=forward gain?
« Reply #1 on: August 09, 2009, 07:00:38 pm »

Dan Magers wrote on Sun, 09 August 2009 10:34

Is there any forward gain in a pr of spaced drivers due to the "doublet effect" over a single point source?
Or, is the acoustic energy from the nulls just lost in many unwanted lines?  

In other words... if I took two drivers spaced horizontally would I see forward( and rear) gain at a certian freq then loose the gain to an omni pattern as the freq drops where the two begin to act as one source?

Hmm... I may have to set up two boxes outside and play around.    


Good idea.

Forward gain would be related to the frequency, spacing, and listening angle to the two sources.
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