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Multi-Way Conventional loudspeakers with crossovers

Help me choose components for my nude dipole build
Help me choose components for my nude dipole build
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Old 12th July 2019, 06:48 AM   #31
David McBean is offline David McBean  Australia
diyAudio Member
Join Date: Jun 2007
Originally Posted by Juhazi View Post
Then you must divide the distance by 2
Not if the actual locations of the "acoustic centres" are taken into account when determining the acoustic path length - see link below:


Key comment: "The baffle structure has a physical length L = d1 + d2 and width and height W. The acoustic length is larger by about W/2 on each end, similar to the end correction of the vent of a Helmholtz resonator."

Further references to acoustic centres:

"The Acoustic Center: A New Concept for Loudspeakers at Low Frequencies" - John Vanderkooy (AES Paper 2006)
"Applications of the Acoustic Centre" - John Vanderkooy (AES Paper 2007)
"The Low-Frequency Acoustic Centre: Measurement, Theory and Application" - John Vanderkooy (AES Paper 2010)
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