some dumb questions that are driving me nuts

slackerbob · 6th August 2003, 01:38 AM

okie, I've only got 3 questions that I am sure are really stupid. Bear with me here.

What is a dipole?
What is an open baffle?
How do these work?

Da5id4Vz · 6th August 2003, 02:03 AM

http://www.linkwitzlab.com/

slackerbob · 8th August 2003, 03:27 AM

okie, so an open baffle system basically has the driver mounted on a board sticking up in the air. what prevents the sound waves from reflecting off of surfaces behind the speaker and causing cancelation?

i looked at the site, but he didn't really explain what a dipole was.

mikee12345 · 8th August 2003, 09:24 AM

as far as i know,thats the whole point,the rear wave cancels with the front causing a slow 6db/octave roll off from a high frequency depending on baffle size.

do a search for Dipole in this forum, try Threads only not posts when u search.

u need HEAPS OF excursion x area and mid Q woofer,and EQ to boost low end

eg buy 2 15s for dipole instead of a 12 in sealed box

its kinda crazy and sounds like not the right thing to do,,but sounds nice to many people.

6th August 2003, 01:38 AM	#1
slackerbob diyAudio Member Join Date: Jun 2003 Location: Harvey Mudd College; Claremont, CA	some dumb questions that are driving me nuts okie, I've only got 3 questions that I am sure are really stupid. Bear with me here. What is a dipole? What is an open baffle? How do these work?

6th August 2003, 02:03 AM	#2
Da5id4Vz diyAudio Member Join Date: Feb 2003 Location: lost in america...	Behold: http://www.linkwitzlab.com/

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8th August 2003, 03:27 AM	#3
slackerbob diyAudio Member Join Date: Jun 2003 Location: Harvey Mudd College; Claremont, CA	okie, so an open baffle system basically has the driver mounted on a board sticking up in the air. what prevents the sound waves from reflecting off of surfaces behind the speaker and causing cancelation? i looked at the site, but he didn't really explain what a dipole was.

8th August 2003, 09:24 AM	#4
mikee12345 diyAudio Member Join Date: Nov 2002 Location: NZ	as far as i know,thats the whole point,the rear wave cancels with the front causing a slow 6db/octave roll off from a high frequency depending on baffle size. do a search for Dipole in this forum, try Threads only not posts when u search. u need HEAPS OF excursion x area and mid Q woofer,and EQ to boost low end eg buy 2 15s for dipole instead of a 12 in sealed box its kinda crazy and sounds like not the right thing to do,,but sounds nice to many people.

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