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Old 6th April 2010, 09:05 AM   #1
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Default My transmission line subs 4-21"

these are based on the legend of "el pipe o". post any questions u have
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Old 6th April 2010, 10:44 AM   #2
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Default Which frequency range are you covering with the subs?

Just curious as to how high and low they go in your setup. Do the drivers need a high pass to prevent over-excursion?

How are you avoiding constructive/destructive intererence between subs?

Regards, Ben
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Old 6th April 2010, 05:28 PM   #3
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the tubes are 10.5 feet with 30lbs of stuffing in each. I dont need a lowpass on these, they will take a 10 - 16hz wave at full power. They are placed very accurately in their space, that helps with any losses. I normally pop my 30amp circuit breaker before i would any excursion issues.
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Old 6th April 2010, 08:49 PM   #4
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Old 6th April 2010, 11:55 PM   #5
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here are some videos of the massive energy they put out

http://www.youtube.com/watch?v=oE2IQZHLo2s

http://www.youtube.com/watch?v=lMfTEqEGP9Y

Last edited by ajhockett; 7th April 2010 at 12:01 AM.
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Old 7th April 2010, 12:04 AM   #6
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I use them in this system with a butterworth 24db low pass set at 110hz
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Old 7th April 2010, 12:32 AM   #7
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Quote:
Originally Posted by ajhockett View Post
post any questions u have
Ya, just one...

Can I come over?
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Old 7th April 2010, 12:35 AM   #8
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im happy to have anyone over to have a listen
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Old 7th April 2010, 12:37 AM   #9
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We live in different countries so I might have to bring a sleeping bag.
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Old 7th April 2010, 12:42 AM   #10
freddi is offline freddi  United States
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which 21"?
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