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Josh Ricci's projects on DIYaudio

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darkmatter View Drop Down
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    Posted: 07 August 2011 at 2:13pm
Spotted these designs on diyaudio. Respect to Josh for posting these up, an impressive amount of detail on the design, build and measurement process, could provide inspiration for anyone designing a tapped horn.

I was interested to read about the importance of bracing/cabinet mass, change in response of drivers when bedded in, hornresp being very close to the (highly developed!) akabak script, slightly more lf response than modelled, and the group delay measurements.

Gjallerhorn:
http://www.diyaudio.com/forums/subwoofers/189784-gjallerhorn.html




Othorn:
http://www.diyaudio.com/forums/subwoofers/193418-othorn-tapped-horn.html




Edited by darkmatter - 07 August 2011 at 2:21pm
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mykey- View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mykey- Quote  Post ReplyReply Direct Link To This Post Posted: 07 August 2011 at 4:09pm
the outcome would be firewood for me.....and an empty pocket
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Post Options Post Options   Thanks (0) Thanks(0)   Quote spongebob Quote  Post ReplyReply Direct Link To This Post Posted: 07 August 2011 at 5:02pm


Annnnnnnddddd i'm out

Edited by spongebob - 07 August 2011 at 5:03pm
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mykey- View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mykey- Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2011 at 12:28am
me too



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FlipC View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote FlipC Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2011 at 7:05am
mykey
Though I havent looked at this sub - and it dosent look like something I would waste time to build.
BUT I wanted to make a note on the freq response graph. Danely himself said that when desinging you did not want a flat curve. That you wanted a trough at the lowest end.
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mykey- View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mykey- Quote  Post ReplyReply Direct Link To This Post Posted: 08 August 2011 at 7:16am
a 12db trouth

Edited by mykey- - 08 August 2011 at 7:16am
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shello79 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote shello79 Quote  Post ReplyReply Direct Link To This Post Posted: 21 December 2013 at 11:12pm
I think you guys should check this site out  http://www.data-bass.com/data?page=system&id=81
 It has info about the othorn tapped horn
Work hard play even harder
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