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Cal Weldon 14th July 2004 07:07 AM

Cornu spiral horns
Has anyone heard these? I think what a great idea. What a way of getting the most out of your drivers. I wonder if you could make them for bigger drivers? (sorry Daniel, I should have asked you first)

Anyone tried making something like them? I couldn't find a good link to a picture on google so I'm hoping someone has a link or some experience with them.


Stixx 14th July 2004 09:49 AM

spiral horns
2 Attachment(s)
Hi Cal

I haven't heard the Cornu spiral horns, but have been following the story about them and listening impressions on a german DIY-forum (Audiotreff).
So far only versions for smaller drivers are existing, but Daniel (the man behind Cornu) has been trying bigger ones also (as far as I know). Supposedly they are sounding very good with a tendency to the "warm" side, peak levels are very limited though but OK with regard to the size of the driver.

Attached you'll find a picture of them posted by some other german DIY-enthusiast..


hunter audio 14th July 2004 10:18 AM


I think may be larger drivers the traditional horn will be a easier to construct - trade off way , i guess it will be diffcult to turn large spirals , keep them from leaking into each other with the two large flat baffles , unless the spirals are made to be modular

more of a construction thing


transducer design engineer

siggi54 14th July 2004 02:51 PM

a look from a side, there are four horns, one at each side, but it sounds n o t load, the thin wood vibrates than.

ups, the picture ist too great, please look at

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