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Quarter Wave / T-Line tutorial-UPDATED


Forevrbumpn

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ok so i am still stumped on how to get the port area in sq in, i have 2 10s that i want to tune to 45hz and i have a very small space, think about 2 10s or 1 12, my max dimensions are 30w 24d and 15h, can anyone help me with this?

Cone area of 2 10s is 127 sq in. So a port internals of lets say 13x9.75. And the length will be 75in long.

I can't stop building!!!


4 DC LeveL 4XL 18 Blow Through Re-Build
The newest addition My '97 Ford Explorer Build
My First Build 8 RF P1 12's
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oh, your a hypocrite too bro.....your mom has my name on her left tit - and you still like her dont you?

If youre masturbating to that sub already, wait until you get a real sub... I think your nutsack will shrivel up.
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ok so i am still stumped on how to get the port area in sq in, i have 2 10s that i want to tune to 45hz and i have a very small space, think about 2 10s or 1 12, my max dimensions are 30w 24d and 15h, can anyone help me with this?

Cone area of 2 10s is 127 sq in. So a port internals of lets say 13x9.75. And the length will be 75in long.

ok so i am still stumped on how to get the port area in sq in, i have 2 10s that i want to tune to 45hz and i have a very small space, think about 2 10s or 1 12, my max dimensions are 30w 24d and 15h, can anyone help me with this?

Cone area of 2 10s is 127 sq in. So a port internals of lets say 13x9.75. And the length will be 75in long.

so 13 inches wide and 9.75 inches tall and 75 inches long?
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ok so i am still stumped on how to get the port area in sq in, i have 2 10s that i want to tune to 45hz and i have a very small space, think about 2 10s or 1 12, my max dimensions are 30w 24d and 15h, can anyone help me with this?

Cone area of 2 10s is 127 sq in. So a port internals of lets say 13x9.75. And the length will be 75in long.

ok so i am still stumped on how to get the port area in sq in, i have 2 10s that i want to tune to 45hz and i have a very small space, think about 2 10s or 1 12, my max dimensions are 30w 24d and 15h, can anyone help me with this?

Cone area of 2 10s is 127 sq in. So a port internals of lets say 13x9.75. And the length will be 75in long.

so 13 inches wide and 9.75 inches tall and 75 inches long?

Umm gotta ask u know anything about lines or ru trying to get someone to fully design it up for you.... u sound 100% lost.

I can't stop building!!!


4 DC LeveL 4XL 18 Blow Through Re-Build
The newest addition My '97 Ford Explorer Build
My First Build 8 RF P1 12's
My Myspace Add Me
My Facebook Add Me

oh, your a hypocrite too bro.....your mom has my name on her left tit - and you still like her dont you?

If youre masturbating to that sub already, wait until you get a real sub... I think your nutsack will shrivel up.
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Share on other sites

ok so i am still stumped on how to get the port area in sq in, i have 2 10s that i want to tune to 45hz and i have a very small space, think about 2 10s or 1 12, my max dimensions are 30w 24d and 15h, can anyone help me with this?

Cone area of 2 10s is 127 sq in. So a port internals of lets say 13x9.75. And the length will be 75in long.

ok so i am still stumped on how to get the port area in sq in, i have 2 10s that i want to tune to 45hz and i have a very small space, think about 2 10s or 1 12, my max dimensions are 30w 24d and 15h, can anyone help me with this?

Cone area of 2 10s is 127 sq in. So a port internals of lets say 13x9.75. And the length will be 75in long.

so 13 inches wide and 9.75 inches tall and 75 inches long?

Umm gotta ask u know anything about lines or ru trying to get someone to fully design it up for you.... u sound 100% lost.

lol im really lost, ive designed one box and it was a sealed box for 1 12. im new to this stuff, and im not very good at math, im only 16 lol
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ok so i am still stumped on how to get the port area in sq in, i have 2 10s that i want to tune to 45hz and i have a very small space, think about 2 10s or 1 12, my max dimensions are 30w 24d and 15h, can anyone help me with this?<br />

<br />

<br />

Cone area of 2 10s is 127 sq in. So a port internals of lets say 13x9.75. And the length will be 75in long.<br />

<br />
<br />
<br />

ok so i am still stumped on how to get the port area in sq in, i have 2 10s that i want to tune to 45hz and i have a very small space, think about 2 10s or 1 12, my max dimensions are 30w 24d and 15h, can anyone help me with this?<br />

<br />

<br />

Cone area of 2 10s is 127 sq in. So a port internals of lets say 13x9.75. And the length will be 75in long.<br />

so 13 inches wide and 9.75 inches tall and 75 inches long?<br />

<br />

<br />

Umm gotta ask u know anything about lines or ru trying to get someone to fully design it up for you.... u sound 100% lost.<br />

lol im really lost, ive designed one box and it was a sealed box for 1 12. im new to this stuff, and im not very good at math, im only 16 lol<br />

well i gotta say start from post #1 read everything 10times over and by then you'll get it... cuz im not going to just reword the same thing thats been said over and over again

I can't stop building!!!


4 DC LeveL 4XL 18 Blow Through Re-Build
The newest addition My '97 Ford Explorer Build
My First Build 8 RF P1 12's
My Myspace Add Me
My Facebook Add Me

oh, your a hypocrite too bro.....your mom has my name on her left tit - and you still like her dont you?

If youre masturbating to that sub already, wait until you get a real sub... I think your nutsack will shrivel up.
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also i got another build that i just did. its a tline for a 6.5 factory gm speaker tuned to 40hz with 3/4 birch. its my first birch box and i gotta say the stuff was awesome, and cheeper then 3/4 mdf. and yes i has a factory speaker in it but i didnt wanna buy a 6.5 sub and end up being that the thing wasnt loud enough. but it ended up being just right, exactly what my mom wanted. and for real it is awesome filler bass just the right amount and on some songs its louder then the mids.

onto the pics

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576808_406740679360778_100000745483906_1294061_1727043245_n.jpg

I can't stop building!!!


4 DC LeveL 4XL 18 Blow Through Re-Build
The newest addition My '97 Ford Explorer Build
My First Build 8 RF P1 12's
My Myspace Add Me
My Facebook Add Me

oh, your a hypocrite too bro.....your mom has my name on her left tit - and you still like her dont you?

If youre masturbating to that sub already, wait until you get a real sub... I think your nutsack will shrivel up.
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congrats on finding birch cheaper than mdf, LOL here its nearly twice the price

how did that 6.5 fair in the t-line, good results?

also for the above where you said the cone area for 2 tens is 127 sq in, that would depend on the 10s being used, i know it may be a good number to go off of, but not every 10 hasw the same effective cone area so i may be different for his 10s. for example the SD for a fi bl 10 is 310 sq cm, which converts to 48 sq in, so two 10s would be 96 rather then 127 and the SD of a DC level 2 is 324 sq cm, which converts to 50 sq in, so 2 would be 100 sq in

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congrats on finding birch cheaper than mdf, LOL here its nearly twice the price

how did that 6.5 fair in the t-line, good results?

also for the above where you said the cone area for 2 tens is 127 sq in, that would depend on the 10s being used, i know it may be a good number to go off of, but not every 10 hasw the same effective cone area so i may be different for his 10s. for example the SD for a fi bl 10 is 310 sq cm, which converts to 48 sq in, so two 10s would be 96 rather then 127 and the SD of a DC level 2 is 324 sq cm, which converts to 50 sq in, so 2 would be 100 sq in

It was amazing. Quite loud for like 20rms. Real clean.

And I know about the cone area of each being different but its an easy just for them.

I can't stop building!!!


4 DC LeveL 4XL 18 Blow Through Re-Build
The newest addition My '97 Ford Explorer Build
My First Build 8 RF P1 12's
My Myspace Add Me
My Facebook Add Me

oh, your a hypocrite too bro.....your mom has my name on her left tit - and you still like her dont you?

If youre masturbating to that sub already, wait until you get a real sub... I think your nutsack will shrivel up.
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