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Old 10th October 2012, 12:59 AM   #1
bunshi is offline bunshi  United States
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Join Date: Mar 2010
Default Help me build this tapped horn sub, please!

I found an interesting link to a tapped horn using the aurasound NS8 ( I own two).

DIY Sound Works: 30Hz Tapped Horn, or A Really Big Subwoofer

Actually, I'm going to build the folded one which is listed here.

DIY Sound Works: 30hz Tapped horn, folded for a car

However, I'm trying to understand the designers drawings, and I'm having a hard time.

In this figure, I can't figure out exactly how to assemble the wood in this figure. Click the image to open in full size.

In terms of the path lengths (3.125, 4.25, 5.875, 6.75), what distance does that represent? Is that distance a diagonal on this figure, or is it always a totally horizontal measurement at the mouth of the nearest opening?
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Old 10th October 2012, 05:33 PM   #2
bunshi is offline bunshi  United States
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Old 11th October 2012, 01:59 AM   #3
Speed is offline Speed  Canada
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Location: GTA
Its a real puzzle. I assumed, based on the cut list, that the cut list dimensions represent the long sides of any part. I then assumed that all the corners were mitred. I'd suggest drawing it out full scale to see if this works. On the drawing labeled "board dimensions" you can try to make all the long lengths fit. Sorry...its all I've got. I worked it up roughly and it seemed to fit.
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Old 11th October 2012, 06:08 AM   #4
bunshi is offline bunshi  United States
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Thanks Speed,

Yeah, I was hoping that perhaps I was just missing some self apparent labeling. I can't seem to figure it out. I'll probably just have to start from the ground up.
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Old 11th October 2012, 09:02 AM   #5
schmeet is offline schmeet  United Kingdom
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Use something like Sketch-up and build it 'digitally' first...
Transmission Line Modelling Software
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