Any of these tweeters usbale in a linearray alongside some NSBs? - diyAudio
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Old 18th May 2005, 03:26 PM   #1
diyAudio Member
Join Date: May 2004
Location: Dallas, TX
Default Any of these tweeters usbale in a linearray alongside some NSBs?

I just bought some NSBs as a cheap way to try out line arrays an now PE has some onkyo buyout tweeters, are any of these a good idea for a tweeter line next to some NSBs?

Can someone explain to me how to calulate the necessary center-to-center spacing that seems to be some important to line-array tweeters?

Thanks guys!

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Old 18th May 2005, 08:51 PM   #2
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Join Date: Jun 2003
Location: Tennessee
Default Near Field Line Array White Paper

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Old 18th May 2005, 10:39 PM   #3
RJ is offline RJ  United States
diyAudio Member
Join Date: Oct 2004
The formula is 13560/ c-t-c (center-to-center distance between two speakers).
The smallest Onkyo 1 3/8" would be 13560/ 1.375 = 9862 hz.
At around 10,000 hz the tweeters would start creating a combing effect. Dead spots in certain areas of your room. So as you moved around you would notice highs dropping in & out.
You might be able to get away with it or you could try what other diy'ers are using - the Dayton 3/4" Neodymium tweeter;
A little more expensive at $4.00 in quantity but it has a lower crossover point (3500 hz) and more sensitivity (93 db) which will better match the NSB's high sensitivity.
One diy'er even lets his NSB's run full range and uses a cap on the Neo's.
Me, I prefer the Dayton Planars
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