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Old 10th March 2012, 09:10 AM   #621
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I'm very intrigued, how about four together, no partitions internally with a single large driver in the middle, say an fe206en? I know this is moving away from a Frugal horn but it's interesting.
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Old 10th March 2012, 09:11 AM   #622
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Having built 4 I'm half way there but could my completed ones be joined together?
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Old 10th March 2012, 06:58 PM   #623
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Originally Posted by doubtingthomas View Post
I'm very intrigued, how about four together, no partitions internally with a single large driver in the middle, say an fe206en? I know this is moving away from a Frugal horn but it's interesting.
You would end up putting a driver with lower Q & Fs into a box still tuned for a 4"driver (because it changes to a half-wave design instead of a 1/4 wave design (length dimensions need to be double for the same tuning) it is theoretically the same as the 4 individual FH3), so you would likely end up with less bass than FE126En.

To make the larger driver work you need to do increase path length -- something like Vulcan.

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Old 10th March 2012, 08:08 PM   #624
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Funny enough, I've built a pair of Vulcans and love 'em, as we speak I'm finally after seven months finishing them piano black.
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Old 10th March 2012, 10:26 PM   #625
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The dangers of listening before finishing I fear...
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Old 11th March 2012, 03:36 AM   #626
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Funny enough, I've built a pair of Vulcans and love 'em, as we speak I'm finally after seven months finishing them piano black.
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Originally Posted by Scottmoose View Post
The dangers of listening before finishing I fear...
Happens most of the times if you've got a winner on your hands!
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Old 11th March 2012, 09:15 AM   #627
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That's absolutely it, i couldn't bring myself to unplug them.
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Old 11th March 2012, 12:28 PM   #628
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I have a question to dampning, would there be any effort into useing some bitumen on the rear of the baffle, behind the driver?

Still have a sheet left over from dampning the car doors its a nice heavy bitumen with an aluminium liner.
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Old 11th March 2012, 12:34 PM   #629
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Not really. The panels are quite well braced, so it's not likely to bring much to the table.

Last edited by Scottmoose; 11th March 2012 at 12:37 PM.
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Old 11th March 2012, 12:37 PM   #630
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Bitumen adds mass without adding stiffness, lowering the frequency at which the panel will resonate making it more likely to get excited, and lower the Q making the resonance more audiable if excited.

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