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-   -   My transmission line subs 4-21" (http://www.diyaudio.com/forums/subwoofers/164590-my-transmission-line-subs-4-21-a.html)

ajhockett 6th April 2010 08:05 AM

My transmission line subs 4-21"
 
1 Attachment(s)
these are based on the legend of "el pipe o". post any questions u have

salzburgsoundsystem 6th April 2010 09:44 AM

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

ajhockett 6th April 2010 04:28 PM

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.

BP1Fanatic 6th April 2010 07:49 PM

:bigeyes::cool:

ajhockett 6th April 2010 10:55 PM

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

ajhockett 6th April 2010 11:04 PM

I use them in this system with a butterworth 24db low pass set at 110hz

Cal Weldon 6th April 2010 11:32 PM

Quote:

Originally Posted by ajhockett (Post 2143937)
post any questions u have

Ya, just one...

Can I come over?

ajhockett 6th April 2010 11:35 PM

im happy to have anyone over to have a listen

Cal Weldon 6th April 2010 11:37 PM

We live in different countries so I might have to bring a sleeping bag.

freddi 6th April 2010 11:42 PM

which 21"?


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