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Old 6th November 2004, 09:14 PM   #1
ebijma is offline ebijma  Netherlands
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Default Found this site

Found this site on full range drivers.
Much information on a sort of spiral horn speaker design.

Like the idea of this speaker builder.
Don't know if this design is any good.
Maybe some of you members know.

http://www3.ocn.ne.jp/~hanbei/eng-intro.html

Erwin
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Old 6th November 2004, 11:01 PM   #2
Ropie is offline Ropie  United Kingdom
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I almost made one of his designs once, though I was eventually put off by the thought of trying to make a 3-D spiral horn. However, I think for someone wanting to try a horn on a small scale, some of his designs would be excellent.

The links page is very interesting too.
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Old 7th November 2004, 03:21 AM   #3
jdybnis is offline jdybnis  United States
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It looks like he could use some stuffing in the horn. From looking at FR graphs, the horn mouth has a lot of spiky output at HF. But I don't have any experience with horns. Maybe that would create other problems.
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Old 27th April 2005, 07:15 PM   #4
rho is offline rho  Belgium
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I came across his site when looking for interesting horn designs for some TB W3-871S drivers.

I'm planning on bluilding the Helix H-88.

Now I got realy interested when reading about the results he got with the 6" HiVi speaker, used as a subwoofer.

Has anyone got an idea how I could design my own spiral horn subwoofer for a driver of my choice?
What about box-volume? Do I follow the formula for calculating an Helmholz resonator like he started out?

Anyone got Mr. Masaaki Takenaka's e-mail address?
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Old 27th April 2005, 08:33 PM   #5
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Quote:
Originally posted by jdybnis
It looks like he could use some stuffing in the horn. From looking at FR graphs, the horn mouth has a lot of spiky output at HF.
They all do that. Those curves are quite good.
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Old 28th April 2005, 07:49 AM   #6
jdybnis is offline jdybnis  United States
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Nelson,

I just read Pt. 2 of your audioXpress article on the Kleinhorn. It was a great read. Thanks!

rho.

There is a mailto link at the bottom of the front page of the site.
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Old 28th April 2005, 06:55 PM   #7
rho is offline rho  Belgium
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Well, have you ever.... Seems I missed it.
Thanks for pointing me in the right direction, jdybnis.
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