15" tapped horn with RCF - Page 3 - diyAudio
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Old 30th July 2010, 03:14 PM   #21
epa is offline epa  Netherlands
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500 ltr version
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Old 3rd August 2010, 12:28 PM   #22
wood1y is offline wood1y  Hungary
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Quote:
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can you post the hr input?
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Old 3rd August 2010, 01:54 PM   #23
epa is offline epa  Netherlands
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tnx looks verry compact for that output.
what r the outside measurements?
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Old 3rd August 2010, 03:53 PM   #24
CCU is offline CCU  Denmark
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Hey wood1y

could you post a picture of the horn with dimensions on it?

Would really like to try building one of them
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Old 4th August 2010, 11:23 AM   #25
wood1y is offline wood1y  Hungary
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Quote:
Originally Posted by epa View Post
...what r the outside measurements?
The outside dimensions are 566 x 1008 x 716 mm (w x h x d).
...and made of 18mm birch ply.

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Originally Posted by CCU View Post
...could you post a picture of the horn with dimensions on it?
Sorry, i dont have them on computer... just on paper. But from the section plan in my first post, and the hr input screen u can easily rebuild it... The width of the horn is constant 530 mm.
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Old 4th August 2010, 08:29 PM   #26
Xoc1 is offline Xoc1  United Kingdom
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Quote:
Originally Posted by wood1y View Post
The outside dimensions are 566 x 1008 x 716 mm (w x h x d).
...and made of 18mm birch ply.



Sorry, i dont have them on computer... just on paper. But from the section plan in my first post, and the hr input screen u can easily rebuild it... The width of the horn is constant 530 mm.
I have been reverse engineering this TH from the plan and the hornresp data.
I found that the taper varied for some of the folded sections, (the third and fourth sections are slightly shallower taper), and that the last section is stepped.
This is not meant as a criticism of what Wood1y has acheived
I think that this folding has obviously worked well.
The parallel first section has allowed extra length.
The step on the last section compensates for the area taken by the driver.
I attach a drawing of what I found, showing dimensions extrapolated from the given section plan and outside dimensions.
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File Type: jpg RCF 6 fold Sk.JPG (73.4 KB, 1174 views)
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Old 4th August 2010, 08:38 PM   #27
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I also worked it in reverse, some of the dims are a tad different. Black inches (initial guess on scale), red mm. Note that the red is the scaled dimension which has been normalized to the given external dimensions, so will be more accurate. The black inches were guessed at by looking at the woofer.

Thanks Wood1y for a great design.

Cheers, John
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File Type: jpg tapped horn jpeg.jpg (401.2 KB, 1178 views)

Last edited by jneutron; 4th August 2010 at 08:40 PM.
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Old 5th August 2010, 10:55 AM   #28
wood1y is offline wood1y  Hungary
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Nice work guys!!

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Thanks Wood1y for a great design.
you're welcome!
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Old 7th August 2010, 06:54 PM   #29
MarjanM is offline MarjanM  Macedonia
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Quote:
Originally Posted by wood1y View Post
THX



No... It is the Warnex textured lacquer... like this.

Click the image to open in full size.

Its very hard, u cant sctratch it, is waterproof and it still looks good ... I think this is the best choice for PA boxes.
Can you please share some information on the Warnex applying technique that you used?

I will have to paint a few boxes very soon.
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Old 7th August 2010, 10:47 PM   #30
FlipC is offline FlipC  United States
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And does anyone have a source for this stuff in the US?
Or its equivalent ?
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