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Old 12th September 2007, 05:44 AM   #11
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Quality reproduction qualiry flares are expensive and a small market.

The DDS I mentioed earlier, or the 18Sound XT1086 are your best budget alternatives, but neither are tractrix. They're both waveguides.

Most slot throat pro flares sound like garbage; I know because I have a shed full of them.
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Old 12th September 2007, 06:48 AM   #12
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This looks better (cheaper).
I can get 18sound horn here, the ddr is not available.
Which one is better and how much better is tractrix?

Thanks for help.
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Old 18th February 2010, 10:04 PM   #13
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Default Round tractrix horns

Quote:
Originally Posted by a007udio View Post
I would like to make tractrix horn for my DE250. Can anyone help me?
I was trie to calculate horn with HornCalc but resaults are strange.
I will use DE250 from 1600Hz and up.
Have you checked out the spreadsheet in volvotreter?

Click the image to open in full size.

Inspired by volvotreter, I just built my first tractrix horn (320 Hz) out of baltic birch. It turned out better than I expected. It was my first lathe project too (I'm sure a lot of you fall into that category).

I detailed every step in a blog:

DIY Firefly
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Old 19th February 2010, 01:00 AM   #14
CLS is offline CLS  Taiwan
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The PE (Dayton) WG's are quite good for their open sound. But be careful with the lousy throats. With adaptors, I guess the problem gets even more complicated. Many people don't like adaptors. I think it's mainly because that's a straight cylindrical section which colors the sound. The throat of Dayton's WG is 29mm, so you got about 2mm space per side to make the initial flare to match the driver. Or, the length is also needed to be changed. Lathe should come in handy....
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Old 19th February 2010, 11:23 AM   #15
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Wayne Parham at Pi Speakers uses the Eminence H-290 biradial horn mated with the B&C DE250 in several of his speaker designs.

You can ask his opinion and help on his forum at his company web site.

Pi Speakers - unmatched quality and state-of-the-art performance
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