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Old 9th June 2007, 05:28 PM   #1
Shpoop is offline Shpoop  United States
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Default My new unique (i think) DIY project (pics!!)

Hey guys. This past year in school I came up with an idea I thought would look pretty cool, and just materialized it. Take a looksy:

This shows the just the bottle, before glued to the mounts.

Click the image to open in full size.

Click the image to open in full size.

It's vented in the back, so I figured I shouldnt stuff it with insulation but rather insulate the walls...but that was hard to do. Anyone have any ideas that are better than what you see?


Now here it is, finished. It is still resting on the book and stacks of paper as an extra precaution, because the glue I used takes a week or so to "fully" cure.

Click the image to open in full size.

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How do they sound? Well, I don't have any plots to back me up, but they sound great (when paired with a sub, obviously). Then again, you have to try pretty hard to get an EJ-Jordan to not sound great.

Nonetheless, I'm not quite satisfied. I find the EJ-Jordan's rectangular mount clashing with the style of this speaker. That, and its too expensive and nice for me to confine it to a bottle. I'm looking for a cheaper, but still good, fullrange whose style would go well with this type of speaker. Any suggestions?

Thanks for looking?
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Old 9th June 2007, 07:59 PM   #2
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Neat idea. Reminds me of the B&W nautilus midrange enclosures.
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Old 9th June 2007, 10:33 PM   #3
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Default Re: My new unique (i think) DIY project (pics!!)

Quote:
Originally posted by Shpoop

It's vented in the back, so I figured I shouldnt stuff it with insulation but rather insulate the walls...but that was hard to do. Anyone have any ideas that are better than what you see?
How about stuffing it entirely and closing the went.Have you tried ?

To me,it looks a bit like Norh 5.1 speaker.
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Old 9th June 2007, 11:06 PM   #4
Tenson is offline Tenson  United Kingdom
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http://www.tb-speaker.com/detail/1208_03/w3-871sc.htm
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Old 10th June 2007, 12:37 AM   #5
Hartono is offline Hartono  Indonesia
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cool !!!
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Old 10th June 2007, 01:40 AM   #6
liasom is offline liasom  United States
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A recycled enclosure! Could be a theme. Somewhere I saw a full-range Tang Band driver with a bamboo fiber cone (renewable material).

I'd imagine there are some profound resonances in the enclosure. We've all blown across the top of a bottle. For the interior lining...something recycled or renewable that would provide damping...some ideas: wine corks (fun to collect but a pain to glue all those in though), glue in carved-up blocks of styrofoam packing material, a big bunch of soda straws packed in tight along the length of the bottle...man, my brain is tired now.

If you did a sealed version you might stuff it with the insulation I saw on PBS' This Old House made from shredded fabric (blue jeans?).

FYI the best adhesive I've found for bonding glass to most other materials is JB Weld.
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Old 10th June 2007, 03:39 AM   #7
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You can see a larger 2-way version of that design (but in wood) at www.norh.com
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Old 10th June 2007, 04:04 AM   #8
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Default Re: My new unique (i think) DIY project (pics!!)

Hi Shpoop,

Cool!

I love ingenious recycling ideas!

Quote:
Originally posted by Shpoop
It's vented in the back, so I figured I shouldnt stuff it with insulation but rather insulate the walls...but that was hard to do. Anyone have any ideas that are better than what you see?
Polyfluff?

Cheers!
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Old 10th June 2007, 05:35 AM   #9
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Old 10th June 2007, 08:09 AM   #10
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Nice,,, triming the baffle flush with the bottle and rounding the baffle edges should reduce the diffraction. I'd also try stuffing the bottle -- denser towards the end to make it aperiodic

dave
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