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113 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Wed, 09 July 2008 18:42 «»
By: Wayne Parham
Baffle spacing, null angles, etc...
…horns on top, I usually remind them of the baffle spacing issue and how it relates to the null angles. It is best to keep the physical relationships between woofer and tweeter the same as designed, i.e. horn mouth flush with the baffle and distance …
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Forum: Pi Speakers «»
Posted on: Fri, 06 February 2004 19:51 «»
By: dr.joe
baffle spacing, vertical alignment
….Then questions about vertical alignment and baffle spacing reared their heads.What is the optimum distance, or range of distances, between the LF driver and the horn, or the centre of the LF and the centre of the horn? Craig referred me to a JBL …
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Forum: Pi Speakers «»
Posted on: Sun, 29 August 2010 13:13 «»
By: JCDC
Baffle spacing for 4Pi?
…x 16.
I did a quick search to find the baffle spacing between the tweet and the woof for the 4Pi. I found a reference to 13.25" but I think that was the old Theater 4 Pi.
Judging from the picture of the 4Pi it looks closer to 12".
What…
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Forum: Pi Speakers «»
Posted on: Tue, 10 July 2001 04:23 «»
By: Wayne_Parham
Phase angles, crossovers and baffle spacing
…system with more than one driver on a baffle can have the two sound sources in phase at all locations and at all frequencies. Somewhere, there is going to be destructive interference. But the idea is to place your anti-phase nulls outside the coverage …
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Forum: Speaker «»
Posted on: Sat, 23 May 2009 22:03 «»
By: Wayne Parham
My personal opinions of various design philosophies
…the differences become inaudible. Baffle mounting also helps, and in some cases make an abrupt terminating edge inaudible. That's what I found, in a nutshell.
The differences were only apparent when the horn radiated in freespace, not baffle mounted…
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Forum: Pi Speakers «»
Posted on: Wed, 31 July 2002 20:58 «»
By: Wayne Parham
Phase, delays and offset baffle spacing
…- can make a speaker "time aligned" with any baffle offset. This is true of a specific point in space on axis, where all driver diaphragms are fixed in their distance relationship to the listener. So you can imagine what happens when you move in 3D …
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Forum: Pi Speakers «»
Posted on: Sun, 12 January 2003 07:58 «»
By: jlharden
baffle cutout questions
… image viewer is struggling with opening the baffle cutout print. Could someone let me know where the woofer is to be located from the top of the speaker. I remember an 11" measurement but don't know if this is a center to center driver spacing or spacing…
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Forum: Pi Speakers «»
Posted on: Thu, 05 April 2001 01:06 «»
By: Wayne_Parham
Baffle spacing, crossovers and phase angles
…not fixed, and so cannot be corrected with baffle offset. Here again, an approximation can be implemented but perfect "alignment" cannot.As frequency nears the crossover frequency of a crossover circuit, the phase angle is continuously changing. For a …
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Forum: Pi Speakers «»
Posted on: Tue, 13 May 2003 23:56 «»
By: Wayne Parham
Baffle spacing, phase angles and time alignment, revisited
…post, I'd like to revisit the issues of baffle spacing, phase angles and time alignment. It's been a while since we talked about this, and I think it would be good to come at it from a different angle.
Bad pun. Sorry.
There's no way to make two …
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Forum: Pi Speakers «»
Posted on: Mon, 07 July 2003 22:08 «»
By: Adrian Mack
Diffraction and Baffle Spacing - critic this design?
…I've heard that mounting the horn on the baffle removes this (strange, I dont know how true this statement was, and I dont think its true). As can be seen the horns are rather close to the edge of the enclosure, so I'm not sure how bad diffraction is …
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