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Old 15th March 2013, 04:35 PM   #11
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Sorry,i didn't saw that pictures from last lisnk that i post.Would be ok a BFM table tuba enclosure but i need the project.Can you guys help me with the project?thanks
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Old 19th March 2013, 03:49 AM   #12
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fussionn,
DO YOU HAVE YOUR PROJECT ALREADY ?!
Looks like a workable solution, how is it ?
This is, if you're following the TL route, what seems fine... alias the best, together with the BR I mentioned.
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Old 20th March 2013, 08:50 PM   #13
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No,i cannot do the project by myself,i'm hoping that you can help me.don't know how to start for TL enclosure.
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Old 21st March 2013, 01:02 AM   #14
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bjorno is very good with those, maybe he can help you.

I can only look at his projects and appreciate (from an aesthetic point of view) or do the simulations with other software (like the one linked on post #7). I know bjorno uses very respectful calculations by Martin J. King. I don't have that much experience as I told you but I will help in what I can. After you get the right kind (right size) of measures (wavelength) for your driver/speaker it does not look very difficult, just go with the flow.
Quarter Wavelength Loudspeaker Design
http://www.quarter-wave.com/TLs/Alignment_Tables.pdf
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Old 29th March 2013, 02:50 PM   #15
bjorno is offline bjorno  Sweden
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Quote:
Originally Posted by fussionn View Post
No,i cannot do the project by myself,i'm hoping that you can help me.don't know how to start for TL enclosure.
Hi,

I'm still working on a suggestion...I'll be back soon.

b
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Old 29th March 2013, 06:08 PM   #16
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21hz T-TQWT, good for 225 watts @ 1 ohm @ 12.5mm xmax, 29.25" H x 15.25" D x 12" W enclosure.
Attached Images
File Type: jpg JBL1.JPG (68.3 KB, 33 views)
File Type: jpg JBL2.JPG (36.6 KB, 31 views)
File Type: jpg JBL3.JPG (60.3 KB, 31 views)
File Type: jpg JBL4.JPG (60.8 KB, 31 views)
File Type: jpg JBL5.JPG (53.0 KB, 29 views)
File Type: jpg JBL6.JPG (68.7 KB, 5 views)
File Type: jpg JBL7.JPG (58.7 KB, 4 views)
File Type: jpg JBL8.JPG (213.9 KB, 13 views)
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Old 29th March 2013, 07:03 PM   #17
bjorno is offline bjorno  Sweden
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Quote:
Originally Posted by BP1Fanatic View Post
21hz T-TQWT, good for 225 watts @ 1 ohm @ 12.5mm xmax, 29.25" H x 15.25" D x 12" W enclosure.
Hi BP1F..,

Thats how you design a good sub!
For the moment: Adding the requested TL :
I'll be back with more..

b
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