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Old 19th December 2011, 06:10 AM   #1
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Default High efficiency Omnipolar/Radial DIY speakers

Are there any high efficiency Omnipolar/Radial DIY speakers? The only speakers that exist like this are Decware ERR but they don't offer DIY plans for it. Does anyone know of anything like this?
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Old 19th December 2011, 02:36 PM   #2
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Quote:
Originally Posted by je5u5facedassassin View Post
Are there any high efficiency Omnipolar/Radial DIY speakers? The only speakers that exist like this are Decware ERR but they don't offer DIY plans for it. Does anyone know of anything like this?
I've listened to a number of omni designs, and found the Duevel and B&O designs to be the best. I've posted threads on how to build the Sausalito Audio Works waveguide used in the B&O, and the Duevel horn is even simpler.

Click the image to open in full size.

Omni speakers have a well deserved reputation for requiring a lot of power. This is because narrow directivity speakers are more efficient on axis. (The same idea as using a lens for light - the narrow pattern focuses the energy in one direction.) The SAW waveguide offers an interesting compromise, as it has narrow vertical directivity and broad horizontal directivity.

Hope this project goes well for you - it's an interesting design. Would love to see more people try it.
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Old 20th December 2011, 06:12 AM   #3
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I've done some research and still havent found an actual diy kit or design specs to build any omnipolar/radial designs. just pictures and explanations that you built it.
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Old 20th December 2011, 06:35 AM   #4
Previously: Kuei Yang Wang
 
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Hi,

Quote:
Originally Posted by je5u5facedassassin View Post
I've done some research and still havent found an actual diy kit or design specs to build any omnipolar/radial designs. just pictures and explanations that you built it.
There are some kits in Germany. Including this:

Visaton - Lautsprecher und Zubehör, Loudspeakers and Accessories

Generally i would suggest that "Omni's do not work", at least not in the sense of offering a window into the original recording, in normal rooms (I find Dipoles and Cardiod Speakers do this quite well).

They are rather an acquired taste of a few. Try listening to some Omni's before you spend time and money.

Ciao T
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Old 4th January 2012, 07:55 AM   #5
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I already own Mirage OMD-28s and love the sound they produce. I can't go back to forward firing speakers.
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Old 4th January 2012, 07:56 AM   #6
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But thank you very much Thorsten, I appreciate it. Too bad this website doesn't have the "reputation" feature found on overclockers.net..

How do I acquire these woofers and tweeters?

Last edited by je5u5facedassassin; 4th January 2012 at 08:01 AM.
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Old 4th January 2012, 09:49 AM   #7
Previously: Kuei Yang Wang
 
Join Date: Nov 2002
Hi,

Quote:
Originally Posted by je5u5facedassassin View Post
How do I acquire these woofers and tweeters?
Visaton did have US sales last time I looked.

But remember these speakers are not high efficiency, not even above average, not even average...

Ciao T
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